Weather
Galveston, Texas
Current Conditions
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Almanac
Average High: 89°
Average Low: 79°
Record high/year: 95° (1921)
Record low/year: 70° (1986)
Sunrise: 6:51 AM
Sunset: 7:52 PM
Detailed History
Sun and Moon
Sunrise: 06:51 AM (CDT)
Moon Rise: 10:39 PM (CDT)
Sunset: 07:52 PM (CDT)
Moon Set: 11:33 AM (CDT)
Moon Phase
Today
Aug. 23
Aug. 30
Sep. 07
Sep. 15
Nowcast as of 12:51 PM CDT on August 21, 2008
Now
Through 4 PM...showers and thunderstorms will develop and move northeast across the area. The greatest concentration of storms are expected to be along and east of a line from College Station to Bay City. Rainfall of one half to inch can be expected with isolated totals of up to three inches possible.
Air Pollution
Air Pollution Forecast for Houston-Galveston-Brazoria
| Current | Air Quality: Moderate | Pollutant: PM2.5 |
| Current | Air Quality: Good | Pollutant: OZONE |
| Thu | Air Quality: Good | Pollutant: OZONE |
| Thu | Air Quality: Good | Pollutant: PM10 |
| Fri | Air Quality: Moderate | Pollutant: OZONE |
| Fri | Air Quality: Good | Pollutant: PM10 |
| Sat | Air Quality: Moderate | Pollutant: OZONE |
| Sat | Air Quality: Good | Pollutant: PM10 |
| Sun | Air Quality: Moderate | Pollutant: OZONE |
| Sun | Air Quality: Good | Pollutant: PM10 |
Next 12 Hours
Chance of T-storms
Chance of T-storms
Chance of T-storms
Chance of T-storms
Chance of T-storms
Forecast data from the National Digital Forecast Database
5-Day Forecast
Hi 85°
Lo 79°
Chance of T-storms
Hi 88°
Lo 79°
Chance of T-storms
Hi 88°
Lo 79°
Chance of T-storms
Hi 90°
Lo 79°
Chance of T-storms
Hi 88°
Lo 79°
Chance of T-storms
Forecast for Galveston
Today
Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the upper 80s. South winds 5 to 10 mph.
Tonight
Mostly cloudy early in the evening then becoming partly cloudy. A 30 percent chance of showers and thunderstorms. Lows in the mid 70s inland...in the upper 70s coast. South winds 5 to 10 mph.
Friday
Partly cloudy with a 40 percent chance of showers and thunderstorms. Highs in the upper 80s. South winds 5 to 10 mph.
Friday Night
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s. South winds 5 to 10 mph.
Saturday
Partly cloudy with a 40 percent chance of showers and thunderstorms. Highs around 90. East winds around 5 mph in the morning becoming south in the afternoon.
Saturday Night
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 70s inland...in the upper 70s coast.
Sunday
Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs in the lower 90s inland...around 90 coast.
Sunday Night
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s inland...around 80 coast.
Monday
Partly cloudy. A 20 percent chance of showers and thunderstorms in the morning...then a 30 percent chance in the afternoon. Highs in the mid 90s inland...in the lower 90s coast.
Monday Night
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 70s inland...in the upper 70s coast.
Tuesday
Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs in the lower 90s inland...around 90 coast.
Tuesday Night
Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows in the mid 70s inland...in the upper 70s coast.
Wednesday
Partly cloudy. A 20 percent chance of showers and thunderstorms in the morning...then a 30 percent chance in the afternoon. Highs in the lower 90s inland...around 90 coast.
Personal Weather Stations
Personal Weather Stations [Add your weather station!]
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Location: NOS_PORTS Galveston Pier 21, TX, Galveston, TX Updated: 1:54 PM CDT |
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| Temperature: 88 °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: NOS_PORTS Galveston Pleasure Pier, TX, Galveston, TX Updated: 1:54 PM CDT |
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| Temperature: 84 °F | Dew Point: - | Humidity: - | Wind: SSE at 8 mph | Pressure: 29.91 in | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: Amateur Radio Station KC5SNX, Galveston, TX Updated: 2:11 PM CDT |
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| Temperature: 88.8 °F | Dew Point: 80 °F | Humidity: 76% | Wind: South at 5.0 mph | Pressure: 29.95 in | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: NOS_PORTS North Jetty, Port Bolivar, TX Updated: 1:54 PM CDT |
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| Temperature: 84 °F | Dew Point: - | Humidity: - | Wind: SSE at 10 mph | Pressure: 29.94 in | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: Spanish Grant, Galveston, TX Updated: 2:12 PM CDT |
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| Temperature: 86.7 °F | Dew Point: 72 °F | Humidity: 62% | Wind: SSW at 8.0 mph | Pressure: 29.82 in | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: K5ZXZ, Texas City, TX Updated: 2:14 PM CDT |
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| Temperature: 88.2 °F | Dew Point: 77 °F | Humidity: 69% | Wind: WSW at 11.0 mph | Pressure: 29.86 in | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: Bendini's House, Texas City, TX Updated: 2:14 PM CDT |
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| Temperature: 87.4 °F | Dew Point: 78 °F | Humidity: 73% | Wind: SE at 1.0 mph | Pressure: 29.91 in | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: NOS_PORTS Eagle Point, Bacliff, TX Updated: 1:54 PM CDT |
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| Temperature: 80 °F | Dew Point: - | Humidity: - | Wind: WNW at 5 mph | Pressure: 29.96 in | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: Gulf of Mexico, Crystal Beach, TX Updated: 2:11 PM CDT |
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| Temperature: 87.1 °F | Dew Point: 78 °F | Humidity: 75% | Wind: Calm | Pressure: 29.91 in | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: Santa Fe, TX Updated: 2:14 PM CDT |
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| Temperature: 82.2 °F | Dew Point: 78 °F | Humidity: 86% | Wind: WNW at 2.7 mph | Pressure: 29.97 in | Hourly Precipitation: 0.04 in | Windchill: - | Historical Graphs |
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Location: Milan Circle, Santa Fe, TX Updated: 2:14 PM CDT |
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| Temperature: 81.3 °F | Dew Point: 76 °F | Humidity: 85% | Wind: North at 2.0 mph | Pressure: 29.92 in | Hourly Precipitation: 0.04 in | Windchill: - | Historical Graphs |
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Location: South Shore Harbour, League City, TX Updated: 3:14 PM EDT |
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| Temperature: 80.2 °F | Dew Point: 63 °F | Humidity: 56% | Wind: NNW at 4.0 mph | Pressure: 29.91 in | Hourly Precipitation: 0.04 in | Windchill: - | Historical Graphs |
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Location: Meadow Bend, League City, TX Updated: 2:13 PM CDT |
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| Temperature: 78.3 °F | Dew Point: 76 °F | Humidity: 92% | Wind: Calm | Pressure: 29.94 in | Hourly Precipitation: 0.20 in | Windchill: - | Historical Graphs |
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Location: Oaks Of Clear Creek, League City, TX Updated: 2:10 PM CDT |
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| Temperature: 79.4 °F | Dew Point: 77 °F | Humidity: 93% | Wind: Calm | Pressure: 29.90 in | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: NOS_NWLON Rollover Pass, TX, Gilchrist, TX Updated: 1:00 PM CDT |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: NE at 9 mph | Pressure: - | Hourly Precipitation: 0.00 in | Windchill: -15 °F | Historical Graphs |
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Location: Galveston Bay, Seabrook, TX Updated: 2:14 PM CDT |
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| Temperature: 77.7 °F | Dew Point: 78 °F | Humidity: 100% | Wind: North at 1.0 mph | Pressure: 29.90 in | Hourly Precipitation: 0.79 in | Windchill: - | Historical Graphs |
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Location: MesoWest League City TX US UPR, League City, TX Updated: 12:35 PM CDT |
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| Temperature: 87 °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: Lake Cove, Seabrook, TX Updated: 2:14 PM CDT |
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| Temperature: 77.7 °F | Dew Point: 76 °F | Humidity: 95% | Wind: Calm | Pressure: 29.87 in | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: Ellis Landing, League City, TX Updated: 2:12 PM CDT |
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| Temperature: 79.8 °F | Dew Point: 77 °F | Humidity: 93% | Wind: Calm | Pressure: 29.86 in | Hourly Precipitation: 0.28 in | Windchill: - | Historical Graphs |
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Location: NOS_NWLON Clear Lake, TX, Houston, TX Updated: 1:00 PM CDT |
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| Temperature: 81 °F | Dew Point: - | Humidity: - | Wind: South at 8 mph | Pressure: 29.95 in | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: Amateur Radio Station K5UY, Algoa, TX Updated: 2:14 PM CDT |
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| Temperature: 83.6 °F | Dew Point: 77 °F | Humidity: 80% | Wind: SE at 6.0 mph | Pressure: 29.90 in | Hourly Precipitation: 0.00 in | Windchill: - | Historical Graphs |
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Location: Nassau Bay, Nassau Bay, TX Updated: 2:14 PM CDT |
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| Temperature: 77.7 °F | Dew Point: 74 °F | Humidity: 88% | Wind: WNW at 4.0 mph | Pressure: 29.92 in | Hourly Precipitation: 0.88 in | Windchill: - | Historical Graphs |
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MSN Maps of: |
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| Temperature | Dew Point | Humidity | Wind | Pressure | Hourly Precipitation | - | |
NWS Forecaster Discussion
606 fxus64 khgx 211757 afdhgx Area forecast discussion National Weather Service Houston/Galveston Texas 1257 PM CDT Thursday Aug 21 2008 Aviation... thunderstorms will continue to be the main weather impact for terminal sites this afternoon. The model data indicates that these will taper off by around 01z. The confidence level in the model data is moderate at best concerning thunderstorm chances tonight and Friday morning as the upper pattern and moisture levels suggest at least a chance late tonight through 18z Friday. Am more confident on the ceilings and visibility...MVFR conditions should develop between 06z and 09z at most of the inland sites with some IFR conditions possible between 09z and 14z. Opted for vcsh after 09z at the coast and 14z elsewhere. 40 && Previous discussion... /issued 948 am CDT Thursday Aug 21 2008/ Discussion... shortwave and associated precipitation is currently exiting the region to the east. Still some deep moisture in place...especially southern 2/3 of County Warning Area...so with some daytime heating we could see additional scattered activity to pop up. Just minor tweaks to ongoing package for the update. 47 && Preliminary point temps/pops... College Station (cll) 74 92 73 92 73 / 30 40 20 40 20 Houston (iah) 74 91 74 92 74 / 30 40 20 40 20 Galveston (gls) 79 88 78 89 79 / 30 40 20 40 20 && Hgx watches/warnings/advisories... Texas...none. GM...none. && $$ Discussion...47 aviation/marine...40
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