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

La Porte Municipal Airport (KT41)

Lat: 29.67°NLon: 95.06°WElev: 25ft.

Fair

82°F

28°C

Humidity 86%
Wind Speed SW 7 mph
Barometer 30.06 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 1 Aug 3:35 am CDT
Extended Forecast for

San Leon TX

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 11am and noon. Mostly sunny, with a high near 94. Heat index values as high as 106. West wind around 5 mph becoming east in the afternoon.

    High: 94 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 79. Southeast wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 79 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 105. West wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming northwest after midnight.

    Low: 78 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 1pm. Mostly sunny, with a high near 91. North wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 80.

    Low: 80 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.

    Low: 77 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 11am and noon. Mostly sunny, with a high near 94. Heat index values as high as 106. West wind around 5 mph becoming east in the afternoon.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 79. Southeast wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 20%.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 105. West wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming northwest after midnight.
Sunday
Showers and thunderstorms likely, mainly before 1pm. Mostly sunny, with a high near 91. North wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 80.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Leon TX
 29.5°N 94.95°W (Elev. 10 ft)
Last Update:
1:20 am CDT Aug 1, 2025
Forecast Valid:
4am CDT Aug 1, 2025-6pm CDT Aug 7, 2025
 
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