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

93°F

34°C

Humidity 56%
Wind Speed SE 16 mph
Barometer 29.96 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 4 Aug 2:55 pm CDT
Extended Forecast for

Mont Belvieu TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Heat index values as high as 105. South wind around 10 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Heat index values as high as 105. South wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Light south wind becoming southeast 5 to 10 mph in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

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

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: A 30 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
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Heat index values as high as 105. South wind around 10 mph.
Tonight
Mostly clear, with a low around 78. South wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Heat index values as high as 105. South wind 5 to 10 mph.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 78. South wind 5 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Light south wind becoming southeast 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 77.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 76.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 77.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 78.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mont Belvieu TX
 29.86°N 94.87°W (Elev. 39 ft)
Last Update:
1:21 pm CDT Aug 4, 2026
Forecast Valid:
3pm CDT Aug 4, 2026-6pm CDT Aug 10, 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