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

69°F

21°C

Humidity 96%
Wind Speed SE 5 mph
Barometer 30.03 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 9 Mar 1:55 am CDT
Extended Forecast for

Mont Belvieu TX

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Patchy Fog

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 2pm. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 80. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms and
    Areas Fog

  • Monday Night

    Monday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 71. South wind around 10 mph.

    Low: 71 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, cloudy, with a high near 80. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Cloudy, with a low around 70. Southeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Cloudy then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 55.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 69. South wind around 5 mph.
Monday
A slight chance of showers, with thunderstorms also possible after 2pm. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 80. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 71. South wind around 10 mph.
Tuesday
Patchy fog before 10am. Otherwise, cloudy, with a high near 80. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Cloudy, with a low around 70. Southeast wind around 15 mph, with gusts as high as 20 mph.
Wednesday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 69.
Thursday Night
Clear, with a low around 50.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mont Belvieu TX
 29.86°N 94.9°W (Elev. 62 ft)
Last Update:
1:21 am CDT Mar 9, 2026
Forecast Valid:
2am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation