National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Brenham, Brenham Municipal Airport (K11R)

Lat: 30.22°NLon: 96.37°WElev: 308ft.

Mostly Cloudy

78°F

26°C

Humidity 70%
Wind Speed E 7 mph
Barometer 29.95 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 May 5:35 pm CDT
Extended Forecast for

Somerville TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. East wind around 5 mph.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 70. East wind around 5 mph becoming calm. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 78. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81. Calm wind becoming south around 5 mph.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 90%.

    High: 80 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 70. Chance of precipitation is 90%.

    Low: 70 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. East wind around 5 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 70. East wind around 5 mph becoming calm. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm. High near 78. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81. Calm wind becoming south around 5 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Saturday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Low around 70. Chance of precipitation is 90%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Memorial Day
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville TX
 30.33°N 96.55°W (Elev. 197 ft)
Last Update:
1:21 pm CDT May 20, 2026
Forecast Valid:
5pm CDT May 20, 2026-6pm CDT May 27, 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