Provincetown, Massachusetts Weather Conditions

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Current Conditions

  • 37°
  • Overcast
  • Wind: North 9 mph
  • Humidity: 65%
  • Visibility: 10.0 miles
  • Dew Point: 27°
  • Pressure: 30.15 in. +
  • Heat Index: 31

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Next 12 Hours

4  am
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10  am
1  pm
4  pm
Overcast
Overcast
Chance of Snow
Chance of Snow
Chance of Rain
Chance of Rain
Chance of Rain
Chance of Rain
Chance of Rain
Chance of Rain
37°
36°
39°
41°
39°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Saturday
  • Chance of Snow
  • High: 43 °
  • Low: 37 °
  • Chance of Snow
  • Sunday
  • Chance of Rain
  • High: 43 °
  • Low: 37 °
  • Chance of Rain
  • Monday
  • Mostly Cloudy
  • High: 43 °
  • Low: 46 °
  • Mostly Cloudy
  • Tuesday
  • Fog
  • High: 48 °
  • Low: 45 °
  • Fog
  • Wednesday
  • Chance of Rain
  • High: 52 °
  • Low: 39 °
  • Chance of Rain

Forecast for Provincetown, Massachusetts

Updated: 4:00 AM EST on December 20, 2014

  • Saturday

    Overcast with a chance of snow and a chance of rain, then a chance of rain in the afternoon. High of 43F. Winds from the NNE at 10 to 15 mph. Chance of precipitation 60% .

  • Saturday Night

    Overcast with rain showers, then a chance of rain after midnight. Low of 37F. Winds from the NE at 5 to 15 mph. Chance of rain 70%.

  • Sunday

    Mostly cloudy with a chance of rain. High of 43F. Winds from the NNE at 5 to 10 mph. Chance of rain 40%.

  • Sunday Night

    Partly cloudy. Low of 37F. Winds from the NE at 10 to 15 mph.

  • Monday

    Partly cloudy in the morning, then overcast. High of 43F. Winds from the ENE at 5 to 10 mph.

  • Monday Night

    Overcast with a chance of rain. Fog overnight. Low of 46F. Breezy. Winds from the SSE at 15 to 20 mph. Chance of rain 20%.

  • Tuesday

    Overcast. Fog early. High of 48F. Breezy. Winds from the ESE at 15 to 20 mph.

  • Tuesday Night

    Overcast with a chance of rain after midnight. Fog overnight. Low of 45F. Breezy. Winds from the ESE at 15 to 25 mph. Chance of rain 40%.

  • Wednesday

    Overcast with a chance of rain. Fog early. High of 52F. Windy. Winds from the SE at 25 to 35 mph. Chance of rain 70% with rainfall amounts near 0.5 in. possible.

  • Wednesday Night

    Overcast with a chance of rain. Fog overnight. Low of 39F. Winds from the SSE at 35 to 40 mph. Chance of rain 80% with rainfall amounts near 1.4 in. possible.

  • Thursday

    Mostly cloudy with a chance of rain. Fog early. High of 46F. Windy. Winds from the SW at 25 to 30 mph. Chance of rain 60%.

  • Thursday Night

    Mostly cloudy. Low of 39F. Windy. Winds from the WSW at 30 to 35 mph.

  • Friday

    Overcast. High of 45F. Windy. Winds from the SW at 20 to 30 mph.

  • Friday Night

    Overcast. Fog overnight. Low of 36F. Windy. Winds from the SW at 20 to 30 mph.

  • Saturday

    Mostly cloudy. High of 43F. Breezy. Winds from the West at 15 to 25 mph.

  • Saturday Night

    Mostly cloudy. Low of 32F. Breezy. Winds from the WNW at 10 to 25 mph.

  • Sunday

    Partly cloudy. High of 36F with a windchill as low as 23F. Winds from the WNW at 10 to 15 mph.

  • Sunday Night

    Partly cloudy. Low of 30F with a windchill as low as 21F. Winds from the WNW at 10 to 15 mph.

  • Monday

    Clear. High of 36F with a windchill as low as 25F. Breezy. Winds from the WNW at 10 to 20 mph.

  • Monday Night

    Clear. Low of 34F with a windchill as low as 27F. Winds from the WNW at 10 to 15 mph.

  • Tuesday

    Mostly cloudy with a chance of rain. Fog early. High of 48F. Winds from the WNW at 10 to 15 mph. Chance of rain 50%.

  • Tuesday Night

    Clear. Low of 34F. Windy. Winds from the SW at 20 to 30 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: NEPP Cape Cod National Seashore, MA, North Truro, MA

Updated: 2:15 AM EST

Temperature: 37 °F Dew Point: - Humidity: - Wind: NNE at 6 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 32 °F Graphs

Location: Great Hills, Truro, MA

Updated: 2:50 AM EST

Temperature: 37.4 °F Dew Point: 28 °F Humidity: 70% Wind: NW at 3.2 mph Pressure: 30.08 in Hourly Precipitation: - Windchill: 35 °F Graphs

Location: RAWS CACO MA US, Truro, MA

Updated: 2:12 AM EST

Temperature: 38 °F Dew Point: 29 °F Humidity: 71% Wind: NNW at 6 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 33 °F Graphs

Location: Pine Point Road, Wellfleet, MA

Updated: 2:51 AM EST

Temperature: 37.0 °F Dew Point: 32 °F Humidity: 80% Wind: North at - Pressure: 30.25 in Hourly Precipitation: - Windchill: 37 °F Graphs

Location: Wellfleet Marina, Wellfleet, MA

Updated: 2:56 AM EST

Temperature: 38.6 °F Dew Point: 32 °F Humidity: 77% Wind: NNE at 9.0 mph Pressure: 30.15 in Hourly Precipitation: 0.00 in Windchill: 32 °F Graphs

Location: Lt. Island, Wellfleet, MA

Updated: 2:56 AM EST

Temperature: 37.8 °F Dew Point: 29 °F Humidity: 70% Wind: NNE at 5.4 mph Pressure: 30.26 in Hourly Precipitation: 0.00 in Windchill: 34 °F Graphs

Location: Old Wharf Rd, South Wellfleet, Wellfleet, MA

Updated: 2:56 AM EST

Temperature: 37.5 °F Dew Point: 32 °F Humidity: 80% Wind: Calm Pressure: 30.17 in Hourly Precipitation: 0.00 in Windchill: 38 °F Graphs

Location: North Sunken Meadow, Eastham, MA

Updated: 2:51 AM EST

Temperature: 38.3 °F Dew Point: 32 °F Humidity: 79% Wind: WSW at 4.0 mph Pressure: 30.14 in Hourly Precipitation: 0.00 in Windchill: 35 °F Graphs

Location: Heron Cottage, Eastham, MA

Updated: 2:56 AM EST

Temperature: 36.8 °F Dew Point: 31 °F Humidity: 79% Wind: Calm Pressure: 30.06 in Hourly Precipitation: 0.00 in Windchill: 37 °F Graphs

Location: Eastha, MA, Eastham, MA

Updated: 2:45 AM EST

Temperature: 37.7 °F Dew Point: 32 °F Humidity: 81% Wind: Calm Pressure: 30.13 in Hourly Precipitation: 0.00 in Windchill: 38 °F Graphs

Location: Muddy Pond, Eastham, MA

Updated: 2:56 AM EST

Temperature: 36.7 °F Dew Point: 34 °F Humidity: 90% Wind: Calm Pressure: 30.18 in Hourly Precipitation: 0.00 in Windchill: 37 °F Graphs

Location: Manomet, Plymouth, MA

Updated: 2:56 AM EST

Temperature: 41.0 °F Dew Point: 32 °F Humidity: 70% Wind: WNW at 13.6 mph Pressure: 29.91 in Hourly Precipitation: 0.00 in Windchill: 34 °F Graphs

Location: White Horse Beach, Plymouth, MA

Updated: 2:55 AM EST

Temperature: 31.8 °F Dew Point: 24 °F Humidity: 73% Wind: WSW at 5.3 mph Pressure: 30.01 in Hourly Precipitation: - Windchill: 27 °F Graphs

Location: Manomet Beach Boulevard, Plymouth, MA

Updated: 2:55 AM EST

Temperature: 32.4 °F Dew Point: 26 °F Humidity: 77% Wind: North at - Pressure: 30.26 in Hourly Precipitation: - Windchill: 32 °F Graphs

Location: Animal Rescue League of Boston- Brewster Animal Care and Adoption Center, Brewster, MA

Updated: 2:56 AM EST

Temperature: 37.8 °F Dew Point: 29 °F Humidity: 70% Wind: Calm Pressure: 30.16 in Hourly Precipitation: 0.00 in Windchill: 38 °F Graphs

Location: Manomet, manomet, MA

Updated: 1:44 AM EST

Temperature: 32.0 °F Dew Point: 20 °F Humidity: 62% Wind: East at 1.6 mph Pressure: 30.22 in Hourly Precipitation: 0.00 in Windchill: 32 °F Graphs

Location: Nauset Heights Bluff, Orleans, MA

Updated: 2:55 AM EST

Temperature: 36.2 °F Dew Point: - Humidity: 85% Wind: North at 5.0 mph Pressure: 30.11 in Hourly Precipitation: 0.00 in Windchill: 32 °F Graphs

Location: Scargo Hill Dennis MA, Dennis, MA

Updated: 2:56 AM EST

Temperature: 35.2 °F Dew Point: 35 °F Humidity: 99% Wind: WSW at 3.1 mph Pressure: 29.78 in Hourly Precipitation: 0.00 in Windchill: 33 °F Graphs

Location: Marshfields Favorite Turnaround, Brant Rock, MA

Updated: 2:55 AM EST

Temperature: 32.2 °F Dew Point: 29 °F Humidity: 82% Wind: WNW at 1.0 mph Pressure: 30.19 in Hourly Precipitation: 0.00 in Windchill: 32 °F Graphs

Location: Hazelwood Road, South Dennis, MA

Updated: 2:51 AM EST

Temperature: 35.8 °F Dew Point: 32 °F Humidity: 86% Wind: WNW at 3.0 mph Pressure: 30.11 in Hourly Precipitation: 0.00 in Windchill: 36 °F Graphs

Location: Forge Drive, Plymouth, MA

Updated: 2:55 AM EST

Temperature: 32.2 °F Dew Point: 26 °F Humidity: 77% Wind: North at - Pressure: 30.26 in Hourly Precipitation: 0.00 in Windchill: 32 °F Graphs

Location: ORLEANS, SOUTH ORLEANS, MA

Updated: 2:54 AM EST

Temperature: 37.4 °F Dew Point: 34 °F Humidity: 89% Wind: NW at 2.7 mph Pressure: 30.24 in Hourly Precipitation: 0.00 in Windchill: 37 °F Graphs

Location: WA1FSC - Yarmouth Port, Yarmouth, MA

Updated: 2:49 AM EST

Temperature: 34.5 °F Dew Point: 30 °F Humidity: 82% Wind: WNW at 3.2 mph Pressure: 30.15 in Hourly Precipitation: - Windchill: 32 °F Graphs

Location: East Harwich DW5051, East Harwich, MA

Updated: 2:56 AM EST

Temperature: 36.3 °F Dew Point: 32 °F Humidity: 85% Wind: NW at 1.0 mph Pressure: 30.14 in Hourly Precipitation: 0.00 in Windchill: 36 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Taunton Massachusetts 
107 am EST Sat Dec 20 2014 


Synopsis... 
a weak disturbance and onshore flow will result in a period of 
light snow/rain showers mainly across eastern New England this 
weekend into early next week. Low pressure will pass south of New 
England...bringing another period of precipitation. A much 
stronger storm passing west of New England will bring heavy 
rainfall...gusty winds and coastal flooding concerns to the 
region Wednesday into Wednesday evening. Dry but very windy 
conditions follow for Christmas day into Friday. 


&& 


Near term /until 6 am this morning/... 


105 am update... 


Low clouds beginning to back in off the ocean very early this 
morning. This in response to an approaching shortwave resulting in 
winds at 925 mb becoming east. Should see low clouds continue to 
expand across eastern New England through daybreak...while the 
interior has clear to partly cloudy skies. Temperatures will remain in the 
20s through daybreak...except lower to middle 30s across portions of 
the cape/ack with an onshore component to the wind. 


&& 


Short term /6 am this morning through 6 PM Sunday/... 
high pressure builds across north Maine and the Maritimes with low level 
flow veering to the east while surface winds mostly NE. This will result 
in low clouds expanding west across southern New England during Sat as low level 
moisture increases. Not really looking at a pure ocean effect 
situation as instability is marginal. However...hi-res guidance 
picking up on a developing coastal front across Cape Cod vicinity 
with east winds to the east of the boundary and north/NE winds to the west. 
Low level forcing combined with deepening moisture as middle level 
shortwave moves in from the west will result in rain/snow showers 
expanding west from Cape Cod into eastern half new eng. While some 
light precipitation is possible in the morning...especially Cape 
Cod...bulk of precipitation occurs later Sat into Sat night associated with 
deeper moisture and low level lift from the coastal front/inverted 
trough. 


Ptype/snow accumulate... 
looking at mostly rain for cape/islands and possibly into southeast 
coastal Plymouth County where east winds will sufficiently warm the 
boundary layer keeping temperatures in the middle/upper 30s. However...just 
inland and north from the immediate southeast coast and west of the 
coastal front where winds are forecast to be more 
northerly...expect mostly snow although there could be a mix at 
the start. Freezing drizzle is not likely as the column moistens 
late Sat into Sat night with temperatures -10c in the moist layer which 
is cold enough for ice Crystal production. 


NAM is picking up on some enhancement in North Plymouth County into 
Norfolk County with quantitative precipitation forecast up to a third of an inch. This likely 
associated with a 20-25 knots east/NE low level jet that the NAM is 
forecasting. However...this might be overdone as hi-res WRF quantitative precipitation forecast 
is less and other models are weaker with the low level NE flow. 
Dont want to completely ignore the NAM as it sometimes can pick 
up on heavier mesoscale precipitation in these situations so used a 
blend of NAM/GFS quantitative precipitation forecast to temper NAM output. Mainly looking at a 
coating to an inch for eastern new eng...highest amounts across east 
Massachusetts away from the immediate coast. Localized amounts up to 2 inches 
possible...especially just SW of Boston. 


&& 


Long term /Sunday night through Friday/... 
highlights... 


* scattered snow/rain showers linger on Sunday with slightly below 
normal temperatures 
* weak low pressure will pass south of New England Monday night and 
Tuesday bringing light precipitation...as well as a wintry mix 
to the interior 
* strengthening low pressure will wrap up around anomalous vortex 
across the Great Lakes...bringing heavy rain...gusty winds and 
coastal concerns to the region late Wednesday into Christmas evening 


Overview and model preferences... 


Medium range model suite continues to signal development of 
amplified upper level pattern across North America through this 
forecast period. An 500 mb cutoff vortex will dominate across the Great 
Lakes and its extending long wave trough wrapping around to the 
eastern Seaboard as it becomes negatively tilted. With overall SW 
flow in place...will see weak systems work toward the region early 
in the period. A stronger low will develop near or just off the southeast 
U.S. Coast around early Wednesday and pass west of the region Wednesday night... 
bringing gusty winds...heavy rainfall with a few thunderstorms 
possible as well as possible coastal concerns. 


While there are still some timing and track variances with the middle 
week system...models and ensembles remain in good agreement with the 
development of this amplified pattern...as well as the upper 
level vortex across the Great Lakes and surface system that will 
more than likely affect the region during the Wednesday-Wednesday 
night timeframe. 


Used a blend of available guidance as well as GFS/ec ensemble means 
for this forecast which showed good continuity to the previous 
forecast. 


Details... 


Sunday and Monday...moderate to high confidence. 


Leftover moisture will linger Sunday morning with light rain 
and/or snow showers mainly across east Massachusetts/Rhode Island though could see some 
isolated activity further inland as coastal front weakens. Ridging 
will nose down the coast from high pressure over northern New England 
and Quebec Sun night into Monday...bringing a brief dry period 
though clouds will linger with a continued onshore wind 
flow...albeit weak. Expect temperatures to run near or slightly below 
normal...though will be a bit milder along the S coast during Monday. 


By late Monday...may start to see some precipitation work into the lower 
CT valley as a weak low moves off the middle Atlantic coast. 


Monday night-Tuesday...moderate confidence. 


Weak coastal low will pass off the South Coast...but will bring 
enough moisture and lift for precipitation to move in from S-N. Temperatures 
will still be chilly though...especially inland there the colder 
air will be trapped... so will see some mixed precipitation /sleet and/or 
freezing rain/. Even though quantitative precipitation forecast will be light...could be enough to 
cause some light glazing problems late Monday night into Tuesday morning. 
Still some timing issues as well as questions with thermal 
profiles...but may need winter weather headlines during this timeframe. 
Something to monitor closely. 


By Tuesday afternoon...temperatures should recover with gradually increasing 
east-southeast winds...so will see all rain by then. Highs on Tuesday will 
range from the upper 30s across the higher inland terrain to the 
middle and upper 40s along the coast. 


One other issue that may need attention will be the long easterly 
fetch and increasing astronomical tides on Tuesday. Boston 
Harbor/S high tide occurs at 1142 am at 11.6 feet. Surface winds 
look to remain at 15 knots or less but...with the mainly easterly 
wind direction over several days...may see some ground swells work 
in which could cause some possible splashover during the midday 
tide. 


Wednesday and Thursday...high confidence in system development and 
effects...low to moderate confidence on timing details. 


Will see strong surface system and its associated 500 mb cutoff 
vortex will be intensifying during this timeframe...while long 
wave troughing will become negatively tilted around the middle Atlantic 
or southeast U.S. Coast. A secondary low...with energy and tropical 
moisture working in from the Gulf of Mexico...will intensify 
during Wednesday as it wraps around the larger upper level circulation. 
Looks like this low will pass west of the region...but will be in the 
area of best moisture convergence and transport up the eastern 
Seaboard. The 12z GFS is bullish in bringing slug of heavy quantitative precipitation forecast 
across the region. Both the 12z ec and ggem also signal this 
influx though not quite as high on the precipitation amts. 


Still noting precipitable waters  at 1.4 to 1.5 inches...running 2-3sd above 
seasonal normals at about the time of the heaviest precipitation late 
Wednesday into Wednesday evening. On top of this...some good instability moves 
across with k indices in the Lower-Middle 30s and total totals in the 
lower 50s. Would not be surprised to see some isolated thunder so 
mentioned in the forecast mainly during Wednesday night...along with 
heavy rainfall from the convection. Low level jet on order of 
40-55 knots at 850 mb and 50-60 knots at h925...so could also see gusty 
winds especially with any storms. Ohio...one more thing...there 
will be a brief burst of milder air that works in with this 
system. Expect temperatures to rise to the middle 40s well inland to the 
middle 50s at the coast...but will not top off until close to 
midnight Wednesday night...which will help support the instability. 


Models continue to signal fast movement of the surface system 
late Wednesday night...with dry slot working across the region after 
midnight with dry conditions by dawn on Christmas morning. Winds 
will quickly shift around to west-SW and will become very gusty with 
the low level jet in place and colder air wrapping in. 


May have some coastal flooding issues with highest astronomical 
tides of the month occur on Wednesday and Thursday...up to 11.7 feet and 11.5 
feet respectively for Boston. Any easterly component will push the 
tide above flood...so coastal flooding is possible as well as 
beach erosion on the Wednesday tide along east facing beaches. The south 
coastline will also have to be watch closely on Thursday as winds shift 
to west- SW...though east coastal areas could see problems with 
continued east swells. As mentioned above...strong southerly jet 
develops Wednesday into Thursday and...with astronomical high tides...could 
also see minor to moderate coastal flooding. Another issue is the 
potential pressure falls if this system strengthens even 
more...it could add another foot onto the surge. 


Friday...low confidence. 


Once upper low and surface system moves into southern Canada... 
expect a rather fast upper west flow in place. May see some leftover 
snow showers across the east slopes of the Berkshires. Gusty west-SW 
winds continue as temperatures fall back to more seasonable levels. 


&& 


Aviation /06z Saturday through Wednesday/... 


Forecaster confidence levels... 


Low...less than 30 percent. 
Moderate...30 to 60 percent. 
High...greater than 60 percent. 


Short term /through Sunday/... 


105 am update... 


Today...moderate confidence. MVFR ceilings will continue to overspread 
eastern New England this morning and eventually into the interior 
this afternoon. Scattered precipitation will overspread 
southeast Massachusetts/cape/islands this afternoon. Ptype mainly snow showers 
northwest of the southeast Plymouth County coast and rain showers 
southeast of that region. Localized IFR conditions possible just 
inland from the southeast New England coast...where ptype is snow. 


Tonight and Sunday...moderate confidence. MVFR conditions dominate 
in lower clouds and scattered precipitation. Localized IFR 
conditions possible with the best chance in snow showers. 
Precipitation affects mainly eastern New England but still some 
scattered activity across western New England. Ptype mainly snow 
showers northwest of the southeast Plymouth County coast and rain 
showers southeast of that region. 


Kbos terminal...moderate confidence in taf. Snow showers may arrive 
towards 00z this evening. 


Kbdl terminal...moderate confidence in taf. 


Outlook...Sunday night through Wednesday... 


Monday...moderate confidence. Mainly VFR. 


Monday night-Tuesday...moderate confidence. Developing rain or 
mixed precipitation from S-north Monday night with MVFR conditions. May see 
-fzra/-pl across central and western areas around or after 
midnight into Tuesday morning then should change to rain as temperatures 
rise. East-southeast winds gusting to 20-25 knots along S coast Tuesday. 


Tuesday night-Wednesday...moderate confidence. MVFR-IFR 
conditions in rain...heavy at times during Wednesday. Isolated thunder 
possible Wednesday afternoon/evening. East winds shifting to southeast-S late Tuesday 
night/Wednesday with gusts up to 25-30 knots...highest across Cape Cod and 
the islands. 


&& 


Marine... 
forecaster confidence levels... 


Low...less than 30 percent. 
Moderate...30 to 60 percent. 
High...greater than 60 percent. 


Short term /through Saturday night/...high confidence. 


High pressure building east to Maine and the Maritimes will keep 
winds/seas below Small Craft Advisory thresholds through Saturday night...with wind 
speeds less than 20 knots. Northerly winds tonight becoming NE 
Sat/Sat night. Gusts up to 20 knots possible Sat night across NE Massachusetts 
coastal waters. 


Outlook...Sunday through Wednesday...moderate to high confidence. 


Sunday through Monday night...winds and seas below small craft 
criteria. East winds gusting up to 20 knots Monday night. 


Tuesday-Wednesday...east winds increase...gusting to 30 knots Tuesday then 
shift to southeast gusting to 30-35 knots Wednesday...highest on the outer 
waters. Seas build up to 7-11 feet by Wednesday. Gales on the outer waters 
likely. 


&& 


Box watches/warnings/advisories... 
CT...none. 
Massachusetts...none. 
Rhode Island...none. 
Marine...none. 


&& 


$$ 
Synopsis...kjc/evt 
near term...Frank 
short term...kjc 
long term...evt 
aviation...Frank/evt 
marine...kjc/evt 






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