San Juan, Puerto Rico

Current Conditions

 
Temp: 91°
Dew Point: 73°
Humidity: 55%
Wind: Variable 6 mph
Visibility: 10.0 miles
Pressure: 29.89 in. -
Sky: Scattered Clouds
Heat Index: 99°

 

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Almanac

Average High: 85°

Average Low: 74°

Record high/year: 90° (2006)

Record low/year: 67° (1957)

Sunrise: 6:34 AM

Sunset: 5:46 PM

Detailed History

Sun and Moon

Sunrise: 06:34 AM (AST)

Moon Rise: 10:34 AM (AST)

Sunset: 05:46 PM (AST)

Moon Set: 09:57 PM (AST)

Moon Phase

Today
Nov. 24
Dec. 02
Dec. 08
Dec. 16

 

Local Radar

Local Satellite



Next 12 Hours

 
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Rain Showers Rain Showers
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81°
79°
76°
74°
74°

 

Forecast data from the National Digital Forecast Database


5-Day Forecast

Saturday Rain Showers Hi 88° Lo 74° Rain Showers
Sunday Rain Showers Hi 85° Lo 76° Rain Showers
Monday Rain Showers Hi 86° Lo 74° Rain Showers
Tuesday Rain Showers Hi 86° Lo 74° Rain Showers
Wednesday Rain Showers Hi 85° Lo 72° Rain Showers

 

Forecast for San Juan and Vicinity

Updated: 3:17 PM AST on November 21, 2009

Tonight

Partly cloudy. Scattered showers. Lows 77 lower elevations ranging to 67 higher elevations. East winds 5 to 10 mph. Chance of rain 40 percent.

 

Sunday

Variably cloudy. Scattered showers in the morning...then scattered showers and isolated thunderstorms in the afternoon. Highs 90 lower elevations ranging to 78 higher elevations. East winds 10 to 15 mph. Chance of rain 50 percent.

 

Sunday Night

Variably cloudy with scattered showers. Lows 77 lower elevations ranging to 65 higher elevations. East winds 5 to 15 mph. Chance of rain 40 percent.

 

Monday

Variably cloudy with scattered showers in the morning... then partly cloudy with isolated showers in the afternoon. Highs 91 lower elevations ranging to 78 higher elevations. Northeast winds 10 to 15 mph. Chance of rain 40 percent.

 

Monday Night

Partly cloudy with isolated showers. Lows 77 lower elevations ranging to 67 higher elevations. East winds 5 to 15 mph. Chance of rain 20 percent.

 

Tuesday

Partly cloudy with isolated showers. Highs 90 lower elevations ranging to 76 higher elevations. Chance of rain 20 percent.

 

Tuesday Night

Partly cloudy with scattered showers. Lows 76 lower elevations ranging to 65 higher elevations. Chance of rain 40 percent.

 

Wednesday

Partly cloudy. Scattered showers in the morning...then isolated showers in the afternoon. Highs 90 lower elevations ranging to 77 higher elevations. Chance of rain 40 percent.

 

Wednesday Night

Partly cloudy with scattered showers. Lows 75 lower elevations ranging to 65 higher elevations. Chance of rain 30 percent.

 

Thanksgiving Day

Partly cloudy with scattered showers. Highs 90 lower elevations ranging to 77 higher elevations. Chance of rain 30 percent.

 

Thursday Night

Partly cloudy with scattered showers. Lows 75 lower elevations ranging to 65 higher elevations. Chance of rain 30 percent.

 

Friday

Partly cloudy with scattered showers in the morning...then variably cloudy with scattered showers and isolated thunderstorms in the afternoon. Highs 90 lower elevations ranging to 76 higher elevations. Chance of rain 40 percent.

 

Friday Night

Mostly cloudy with scattered showers in the evening...then partly cloudy with isolated showers after midnight. Lows 75 lower elevations ranging to 65 higher elevations. Chance of rain 40 percent.

 

Saturday

Partly cloudy with isolated showers. Highs 91 lower elevations ranging to 78 higher elevations. Chance of rain 20 percent.

 

 

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: San Juan, PR

Updated: 3:20 PM AST

Temperature: 92.1 °F Dew Point: 78 °F Humidity: 64% Wind: Calm Pressure: 29.87 in Hourly Precipitation: - Heat Index: 108 °F Historical Graphs

Location: NOS_NWLON San Juan, PR, San Juan, PR

Updated: 3:00 PM AST

Temperature: 88 °F Dew Point: - Humidity: - Wind: SE at 5 mph Pressure: 29.90 in Hourly Precipitation: 0.00 in Heat Index: 85 °F Historical Graphs

Location: HADS ISLA GRANDE RAIN GAUGE SAN JUAN PR US USGS, Viejo San Juan, PR

Updated: 1:20 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS RIO PIEDRAS AT HATO REY 1W PR US USGS, San Juan, PR

Updated: 2:30 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: Reparto Metropolitano, San Juan, PR

Updated: 3:30 PM AST

Temperature: 88.2 °F Dew Point: 75 °F Humidity: 66% Wind: South at 8.0 mph Pressure: 29.87 in Hourly Precipitation: 0.00 in Heat Index: 99 °F Historical Graphs

Location: HADS LAGO LAS CURIAS AT DAMSITE NR RI PR US USGS, San Juan, PR

Updated: 1:45 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: Rio Piedras, San Juan, PR

Updated: 3:30 PM AST

Temperature: 86.8 °F Dew Point: 75 °F Humidity: 68% Wind: SE at 4.0 mph Pressure: 29.89 in Hourly Precipitation: 0.00 in Heat Index: 96 °F Historical Graphs

Location: Rio Piedras, San Juan

Updated: 3:30 PM AST

Temperature: 86.8 °F Dew Point: 75 °F Humidity: 68% Wind: SE at 4.0 mph Pressure: 29.89 in Hourly Precipitation: 0.00 in Heat Index: 96 °F Historical Graphs

Location: San Juan, 00924, San Juan, PR

Updated: 3:30 PM AST

Temperature: 84.1 °F Dew Point: 74 °F Humidity: 71% Wind: ESE at 6.0 mph Pressure: 29.84 in Hourly Precipitation: 0.00 in Heat Index: 91 °F Historical Graphs

Location: Colinas de Fairview, Trujillo Alto, PR

Updated: 3:30 PM AST

Temperature: 90.0 °F Dew Point: 54 °F Humidity: 29% Wind: SSE at 4.0 mph Pressure: 29.89 in Hourly Precipitation: 0.00 in Heat Index: 88 °F Historical Graphs

Location: HADS RIO DE BAYAMON NEAR BAYAMON 5S PR US USGS, Barrio Obrero, PR

Updated: 2:15 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS RIO GRANDE DE LOIZA BLO LAGO LOI PR US USGS, Trujillo Alto, PR

Updated: 2:45 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: Manejo de Emergencias, Carolina, PR

Updated: 3:03 PM AST

Temperature: 90.7 °F Dew Point: 73 °F Humidity: 56% Wind: SSW at 8.0 mph Pressure: 29.87 in Hourly Precipitation: 0.00 in Heat Index: 99 °F Historical Graphs

Location: HADS JAGUEYES ABAJO RAIN GAUGE NEAR C PR US USGS, Aguas Buenas, PR

Updated: 2:50 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS RIO CANAS AT RIO CANAS PR US USGS, Caguas, PR

Updated: 1:30 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS BAIROA ARRIBA RAIN GAUGE NEAR CA PR US USGS, Aguas Buenas, PR

Updated: 3:00 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS REPRESA COMERIO 2 BLW COMERIO 4N PR US USGS, Comerio, PR

Updated: 1:45 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS RIO CAGUAS AT VILLA BLANCA; CAGU PR US USGS, Caguas, PR

Updated: 12:51 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS CANABONCITO RAIN GAUGE NEAR CAGU PR US USGS, Bayamon, PR

Updated: 2:30 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS RIO CANOVANAS NEAR CAMPO RICO 45 PR US USGS, Canovanas, PR

Updated: 1:30 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS RIO DE BAYAMON BLO LAGO DE CUGRA PR US USGS, Cidra, PR

Updated: 2:15 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS GURABO ABAJO RAINGAUGE NEAR GURA PR US USGS, Juncos, PR

Updated: 2:30 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS BARRIO BEATRIZ RAIN GAUGE NEAR C PR US USGS, Bayamon, PR

Updated: 2:45 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS RIO ESPIRITU SANTO NEAR RIO GRAN PR US USGS, Canovanas, PR

Updated: 2:15 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS RIO VALENCIANO NEAR JUNCOS 1S PR US USGS, Juncos, PR

Updated: 2:45 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.09 in Heat Index: - Historical Graphs

Location: HADS QUEBRADA SALVATIERRA NEAR SAN LO PR US USGS, San Lorenzo, PR

Updated: 2:30 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS RIO GUADIANA AT GUADIANA NEAR NA PR US USGS, Barranquitas, PR

Updated: 2:30 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS RIO TURABO ABOVE BORINQUEN NEAR PR US USGS, Bayamon, PR

Updated: 12:30 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

Location: HADS QUEBRADA BLANCA NEAR SAN LORENZO PR US USGS, San Lorenzo, PR

Updated: 2:30 PM AST

Temperature:  °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Historical Graphs

MSN Maps of:

Temperature Dew Point Humidity Wind Pressure Hourly Precipitation -

NWS Forecaster Discussion




966 
fxca62 tjsj 211501 
afdsju 


Area forecast discussion 
National Weather Service San Juan PR 
1101 am AST Sat Nov 21 2009 


Update... 
made minor adjustments to short term wind flow but overall no 
changes to the inherited forecast. Clouds have begun to slowly 
develop across the interior sections of Puerto Rico...but so far 
no showers activity detected at this time. Afternoon convection 
will again be focused across parts of the interior northwest and 
north central sections of the island...with gradual a diminishing 
and dissipation of activity after sunset. 


&& 


Aviation update...still expct MVFR/IFR conds in rain showers/thunderstorms and rain between 
21/18-21z at tjbq...and vcty tjmz. Activity less likely over much 
of San Juan metropolitan area today...however one or two cumulus lines may develop 
over El Yunque and stream northwest vcty tjsj producing brief vcsh 
possible by the way 21/18-21z rain showers. Elsewhere and outside of the flying area....VA 
emissions continue off and on from Montserrat/trpg and faint plume visible 
streaming some 100 miles or so northwest of tkpk but becoming less visible as it 
moves away from source. 


&& 


Preliminary point temps/pops... 
sju 87 75 86 76 / 40 40 40 40 
stt 87 78 87 77 / 50 50 50 40 


&& 


Sju watches/warnings/advisories... 
PR...none. 
Vi...none. 
&& 


$$ 


09/04 










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