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

90°F

32°C

Humidity 59%
Wind Speed S 16 G 23 mph
Barometer 29.99 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 27 Jun 5:35 pm CDT
Extended Forecast for

Mont Belvieu TX

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Heat index values as high as 102. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Heat index values as high as 103. South wind 5 to 15 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 90. Heat index values as high as 102. South wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 79. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 90. Heat index values as high as 103. South wind 5 to 15 mph.
Monday Night
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 78.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 78.
Independence Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mont Belvieu TX
 29.84°N 94.9°W (Elev. 36 ft)
Last Update:
1:21 pm CDT Jun 27, 2026
Forecast Valid:
5pm CDT Jun 27, 2026-6pm CDT Jul 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation