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

Hazardous Weather Conditions

Current conditions at

Brenham, Brenham Municipal Airport (K11R)

Lat: 30.22°NLon: 96.37°WElev: 308ft.

Fair

85°F

29°C

Humidity 55%
Wind Speed S 9 mph
Barometer 29.99 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 26 Aug 12:15 am CDT
Extended Forecast for

Brenham TX

Heat Advisory August 26, 12:32am until August 26, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 26, 12:32am until August 26, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • Overnight

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. Heat index values as high as 104. Southwest wind around 5 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny and hot, with a high near 102. Heat index values as high as 106. West wind around 5 mph. Chance of precipitation is 30%.

    High: 102 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 77. Calm wind. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Friday Night

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

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 77. Southwest wind around 5 mph.
Wednesday
Sunny and hot, with a high near 101. Heat index values as high as 104. Southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 78. South wind around 5 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny and hot, with a high near 102. Heat index values as high as 106. West wind around 5 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 77. Calm wind. Chance of precipitation is 20%.
Friday
Sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny, with a high near 97.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 97.
Sunday Night
Clear, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brenham TX
 30.17°N 96.39°W (Elev. 315 ft)
Last Update:
7:20 pm CDT Aug 25, 2026
Forecast Valid:
12am CDT Aug 26, 2026-6pm CDT Sep 1, 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