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

86°F

30°C

Humidity 55%
Wind Speed SE 10 mph
Barometer 30.13 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 11 Oct 11:35 am CDT
Extended Forecast for

Mont Belvieu TX

  • Today

    Today: Mostly sunny, with a high near 88. South wind 5 to 10 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Southeast wind 5 to 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 89. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly sunny, with a high near 89. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 88. South wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 72. Southeast wind 5 to 10 mph.
Columbus Day
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 89. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly sunny, with a high near 89. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
Wednesday Night
Clear, with a low around 73.
Thursday
Sunny, with a high near 90.
Thursday Night
Clear, with a low around 70.
Friday
Sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mont Belvieu TX
 29.84°N 94.87°W (Elev. 36 ft)
Last Update:
11:26 am CDT Oct 11, 2026
Forecast Valid:
11am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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