GALVESTON, TX 77551 Weather Forecast & Current Conditions
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  77551 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

GALVESTON, TX
Current Weather
5:52 AM CDT MAY 20, 2026
Overcast
Light Rain
NA
Feels Like: NA
Dewpoint: NA
Rel. Hum.: NA%
Visibility: 10 miles
Wind: NNE at 10 mph
Pressure:
Last 72 hours

Local Area Snow Depth

Texas Current Weather

Texas MOS Forecast Weather


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(Automated weather data from NWS/FAA)
  77551 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

GALVESTON, TX 77551
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the upper 70s. East winds 10 to 15 mph. Chance of rain 40 percent.
THURSDAY
Showers and thunderstorms likely. Highs in the lower 80s. Southeast winds 10 to 15 mph. Chance of rain 70 percent.
THURSDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the upper 70s. South winds around 15 mph. Chance of rain 50 percent.
FRIDAY
Showers likely with a chance of thunderstorms. Highs in the mid 80s. South winds 10 to 15 mph. Chance of rain 70 percent.
FRIDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Near steady temperature around 80. South winds around 10 mph. Chance of rain 50 percent.
SATURDAY
Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 80 percent.
SATURDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible after midnight. Near steady temperature around 80. Chance of rain 90 percent.
SUNDAY
Showers with thunderstorms likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible in the morning. Highs in the lower 80s. Chance of rain 90 percent.
SUNDAY NIGHT
A chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Near steady temperature in the upper 70s. Chance of rain 70 percent.
MEMORIAL DAY
A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 80s. Chance of rain 70 percent.
MONDAY NIGHT
Partly cloudy with a chance of showers. A chance of thunderstorms after midnight. Lows in the upper 70s. Chance of rain 50 percent.
TUESDAY
Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.
TUESDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms after midnight. Near steady temperature around 80. Chance of rain 30 percent.

  77551 WEATHER SATELLITE LOOPS
Visible Weather Satellite
GALVESTON, TX 77551
Infrared Weather Satellite
GALVESTON, TX 77551
  77551 WEATHER RADAR LOOP
NEXRAD Weather Radar
GALVESTON, TX 77551
 MOS COMPUTER WEATHER FORECAST

GALVESTON, TX 3 hourly weather forecast
weather forecast created  8:00 AM EDT  5/20/2026
Wednesday
20 MAY 2026		 GALVESTON, TX 77551 weather forecast Day 1, 12 hours 1 PM 84° 92° Mostly Cloudy 18%
RAIN
<.01 in		 0% Thunder
( 29% severe)		 SE   10 74% 75°
High 85° GALVESTON, TX 77551 weather forecast Day 1, 15 hours 4 PM 84° 92° Mostly Cloudy E   12 74% 75°
Mostly Cloudy



 GALVESTON, TX 77551 weather forecast Day 1, 18 hours 7 PM 81° 87° Mostly Cloudy 17%
RAIN
.5–1 in		 0% Thunder
( 17% severe)		 E   10 82% 75°
GALVESTON, TX 77551 weather forecast Day 1, 21 hours 10 PM 80° 85° Mostly Cloudy ESE   9 85% 75°
Thursday
21 MAY 2026		 GALVESTON, TX 77551 weather forecast Day 2, 0 hours 1 AM 79° 83° Mostly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 24% severe)		 ESE   9 88% 75°
Low 78° GALVESTON, TX 77551 weather forecast Day 2, 3 hours 4 AM 79° 83° Mostly Cloudy SE   9 88% 75°
High 86° GALVESTON, TX 77551 weather forecast Day 2, 6 hours 7 AM 78° 81° Mostly Cloudy 38%
RAIN
***		 0% Thunder
( 45% severe)		 SE   9 91% 75°

Mostly Cloudy

Rain Likely

 GALVESTON, TX 77551 weather forecast Day 2, 9 hours 10 AM 81° 87° Mostly Cloudy SE   12 82% 75°
GALVESTON, TX 77551 weather forecast Day 2, 12 hours 1 PM 82° 89° Mostly Cloudy 55%
RAIN
***		 0% Thunder
( 37% severe)		 SSE   15 79% 75°
GALVESTON, TX 77551 weather forecast Day 2, 15 hours 4 PM 82° 88° Mostly Cloudy S   15 77% 74°
GALVESTON, TX 77551 weather forecast Day 2, 18 hours 7 PM 80° 85° Mostly Cloudy 45%
RAIN
>2 in		 0% Thunder
( 39% severe)		 S   13 82% 74°
GALVESTON, TX 77551 weather forecast Day 2, 21 hours 10 PM 78° 80° Mostly Cloudy SSE   12 88% 74°
Friday
22 MAY 2026		 GALVESTON, TX 77551 weather forecast Day 3, 0 hours 1 AM 78° 80° Mostly Cloudy 44%
RAIN
***		 0% Thunder
( 36% severe)		 S   12 88% 74°
Low 77° GALVESTON, TX 77551 weather forecast Day 3, 3 hours 4 AM 78° 81° Mostly Cloudy S   13 91% 75°
High 87° GALVESTON, TX 77551 weather forecast Day 3, 6 hours 7 AM 78° 81° Mostly Cloudy 53%
RAIN
***		 0% Thunder
( 38% severe)		 S   13 91% 75°

Mostly Cloudy

Rain Likely

 GALVESTON, TX 77551 weather forecast Day 3, 9 hours 10 AM 81° 87° Mostly Cloudy S   13 85% 76°
GALVESTON, TX 77551 weather forecast Day 3, 15 hours 1 PM 84° 93° Mostly Cloudy 34%
RAIN
.25–.5 in		 0% Thunder
( 33% severe)		 S   14 77% 76°
GALVESTON, TX 77551 weather forecast Day 3, 18 hours 4 PM 84° 92° Mostly Cloudy S   15 74% 75°
GALVESTON, TX 77551 weather forecast Day 3, 21 hours 7 PM 81° 87° Mostly Cloudy     S   12 82% 75°

GALVESTON, TX extended weather forecast
Saturday
23 MAY 2026		 Sunday
24 MAY 2026		 Monday
25 MAY 2026		 Tuesday
26 MAY 2026		 Wednesday
27 MAY 2026
Low 78° Low 72° Low 77° Low 76° Low 76°
High 85° High 81° High 86° High 87° High 84°
GALVESTON, TX 77551 weather forecast Day 4 GALVESTON, TX 77551 weather forecast Day 5 GALVESTON, TX 77551 weather forecast Day 6 GALVESTON, TX 77551 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
82% Rain		 Overcast
82% Rain		 Overcast
73% Rain		 Partly Cloudy
57% Rain		 Overcast
51% Rain
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