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 84%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 2 Jul 7:55 am CDT
Extended Forecast for

Mont Belvieu TX

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 10am. Mostly sunny, with a high near 90. Heat index values as high as 102. Calm wind becoming southeast around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Clear

  • Independence Day

    Independence Day: Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 10am. Mostly sunny, with a high near 90. Heat index values as high as 102. Calm wind becoming southeast around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Independence Day
Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 77.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 77.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 77.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mont Belvieu TX
 29.86°N 94.87°W (Elev. 39 ft)
Last Update:
7:20 am CDT Jul 2, 2026
Forecast Valid:
8am CDT Jul 2, 2026-6pm CDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation