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

73°F

23°C

Humidity 90%
Wind Speed S 3 mph
Barometer 29.95 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 15 May 6:55 am CDT
Extended Forecast for

Mont Belvieu TX

  • Today

    Today: Mostly sunny, with a high near 86. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 74. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 85. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 76. Southeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 85. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 85 °F

    Mostly Cloudy
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 79.

    Low: 79 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. Breezy.

    High: 85 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 79.

    Low: 79 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86.

    High: 86 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 86. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 74. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 85. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 76. Southeast wind around 15 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 85. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 79.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. Breezy.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 79.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.
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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:
2:21 am CDT May 15, 2026
Forecast Valid:
7am CDT May 15, 2026-6pm CDT May 21, 2026
 
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