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.

Partly Cloudy

81°F

27°C

Humidity 84%
Wind Speed SW 6 mph
Barometer 29.99 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 2 Sep 8:35 am CDT
Extended Forecast for

San Leon TX

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 93. Heat index values as high as 106. Southwest wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 82. South wind 5 to 10 mph.

    Low: 82 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 92. Heat index values as high as 105. Southwest wind 5 to 10 mph becoming southeast in the morning. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 81. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 80.

    Low: 80 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear
    then Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

    High: 93 °F

    Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 93. Heat index values as high as 106. Southwest wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Mostly cloudy, with a low around 82. South wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 92. Heat index values as high as 105. Southwest wind 5 to 10 mph becoming southeast in the morning. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 81. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Friday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 80.
Saturday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 80.
Labor Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 80.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
San Leon TX
 29.5°N 94.95°W (Elev. 10 ft)
Last Update:
7:20 am CDT Sep 2, 2026
Forecast Valid:
8am CDT Sep 2, 2026-6pm CDT Sep 8, 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