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.

Partly Cloudy

93°F

34°C

Humidity 53%
Wind Speed SW 6 mph
Barometer 30.03 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 20 Aug 1:15 pm CDT
Extended Forecast for

3 Miles NNE Baytown TX

Heat Advisory until August 21, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 21, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Heat index values as high as 111. Southwest wind 5 to 10 mph becoming south in the afternoon.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 80. Southwest wind 5 to 10 mph.

    Low: 80 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Southwest wind 5 to 10 mph becoming south in the afternoon.

    High: 100 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 80.

    Low: 80 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 80.

    Low: 80 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 97. Heat index values as high as 111. South wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 80. South wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 99. Heat index values as high as 111. Southwest wind 5 to 10 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 80. Southwest wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Southwest wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
Mostly clear, with a low around 80.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
Mostly clear, with a low around 80.
Monday
Sunny and hot, with a high near 98.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Mostly sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 80.
Wednesday
Sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Baytown TX
 29.79°N 94.95°W (Elev. 30 ft)
Last Update:
1:20 pm CDT Aug 20, 2026
Forecast Valid:
1pm CDT Aug 20, 2026-6pm CDT Aug 26, 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