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

76°F

24°C

Humidity 89%
Wind Speed E 3 mph
Barometer 29.95 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 22 Aug 10:30 pm CDT
Extended Forecast for

Mont Belvieu TX

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a steady temperature around 78. East wind around 5 mph becoming calm.

    Low: 78 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly between 3pm and 4pm. Mostly sunny, with a high near 90. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 10am. Sunny, with a high near 93. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 30%.

    High: 93 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

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

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a steady temperature around 78. East wind around 5 mph becoming calm.
Saturday
Showers and thunderstorms likely, mainly between 3pm and 4pm. Mostly sunny, with a high near 90. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers, with thunderstorms also possible after 10am. Sunny, with a high near 93. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 76.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 76.
Friday
A 30 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
 29.86°N 94.9°W (Elev. 62 ft)
Last Update:
8:11 pm CDT Aug 22, 2025
Forecast Valid:
10pm CDT Aug 22, 2025-6pm CDT Aug 29, 2025
 
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