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.

Thunderstorm Light Rain

68°F

20°C

Humidity 96%
Wind Speed E 8 mph
Barometer 29.99 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 8 Mar 4:55 am CDT
Extended Forecast for

Mont Belvieu TX

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 68. Northeast wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 8am, then a chance of showers and thunderstorms after 8am. Patchy fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 74. North 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: 74 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 68. South wind around 5 mph.

    Low: 68 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 80. South wind 5 to 15 mph.

    High: 80 °F

    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. South wind around 10 mph.

    Low: 70 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, cloudy, with a high near 80.

    High: 80 °F

    Patchy Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Cloudy, with a low around 70.

    Low: 70 °F

    Cloudy then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Breezy.

    Low: 53 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 68. Northeast wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 8am, then a chance of showers and thunderstorms after 8am. Patchy fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 74. North 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.
Sunday Night
A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 68. South wind around 5 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 80. South wind 5 to 15 mph.
Monday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. South wind around 10 mph.
Tuesday
Patchy fog before 9am. Otherwise, cloudy, with a high near 80.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Cloudy, with a low around 70.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.
Wednesday Night
Mostly clear, with a low around 53. Breezy.
Thursday
Sunny, with a high near 70.
Thursday Night
Clear, with a low around 50.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mont Belvieu TX
 29.86°N 94.9°W (Elev. 62 ft)
Last Update:
12:21 am CST Mar 8, 2026
Forecast Valid:
5am CDT Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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