National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Galveston, Scholes Field (KGLS)

Lat: 29.27°NLon: 94.86°WElev: 7ft.

Fair

75°F

24°C

Humidity 90%
Wind Speed S 7 mph
Barometer 29.86 in (1011.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 22 May 5:52 am CDT
Extended Forecast for

San Leon TX

Flood Watch May 22, 06:25am until May 25, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch May 22, 06:25am until May 25, 07:00am

    NOW until 7:00am Mon

    Flood Watch

  • Today

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 4am and 5am. Partly cloudy, with a low around 79. South wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 10am, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    T-storms
    Likely then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 90%.

    Low: 77 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 81. South wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 81 °F

    Showers then
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    Chance
    T-storms then
    Showers
    Likely

  • Memorial Day

    Memorial Day: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 78.

    Low: 78 °F

    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly between 11am and 5pm. Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph.
Tonight
A slight chance of showers and thunderstorms between 4am and 5am. Partly cloudy, with a low around 79. South wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
Showers and thunderstorms likely, mainly before 10am, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. High near 81. South wind 5 to 10 mph. Chance of precipitation is 90%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 76. Chance of precipitation is 60%.
Memorial Day
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 78.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Tuesday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 80. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
San Leon TX
 29.48°N 94.92°W (Elev. 3 ft)
Last Update:
1:21 am CDT May 22, 2026
Forecast Valid:
6am CDT May 22, 2026-6pm CDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation