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

Hazardous Weather Conditions

Current conditions at

La Porte Municipal Airport (KT41)

Lat: 29.67°NLon: 95.06°WElev: 25ft.

Fair

97°F

36°C

Humidity 39%
Wind Speed N 7 mph
Barometer 30.04 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 22 Aug 1:15 pm CDT
Extended Forecast for

San Leon TX

Heat Advisory August 22, 01:39pm until August 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 01:39pm until August 23, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 96 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 81. South wind 5 to 10 mph.

    Low: 81 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 96. Heat index values as high as 110. West wind 5 to 10 mph becoming southeast in the afternoon.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 81. South wind around 10 mph.

    Low: 81 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 94. Southwest wind 5 to 15 mph becoming south in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 82.

    Low: 82 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 82.

    Low: 82 °F

    Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 96. Heat index values as high as 111. Southwest wind 5 to 10 mph becoming southeast.
Tonight
Partly cloudy, with a low around 81. South wind 5 to 10 mph.
Sunday
Sunny, with a high near 96. Heat index values as high as 110. West wind 5 to 10 mph becoming southeast in the afternoon.
Sunday Night
Mostly clear, with a low around 81. South wind around 10 mph.
Monday
Mostly sunny, with a high near 94. Southwest wind 5 to 15 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 82.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
Clear, with a low around 82.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 83.
Thursday
Mostly sunny, with a high near 96.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 82.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Leon TX
 29.48°N 94.95°W (Elev. 3 ft)
Last Update:
1:21 pm CDT Aug 22, 2026
Forecast Valid:
1pm CDT Aug 22, 2026-6pm CDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation