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

Robert R Wells Jr Airport (K66R)

Lat: 29.64°NLon: 96.52°WElev: 242ft.

Mostly Cloudy

87°F

31°C

Humidity 66%
Wind Speed SW 6 mph
Barometer 30.04 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 31 Jul 10:55 am CDT
Extended Forecast for

Hallettsville TX

  • Today

    Today: Mostly sunny and hot, with a high near 100. Heat index values as high as 109. South wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Heat index values as high as 109. Southwest wind around 5 mph.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. Calm wind becoming south around 5 mph in the evening. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 100. West southwest wind around 5 mph becoming north in the afternoon.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. East wind around 5 mph becoming south southwest after midnight.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. Calm wind becoming southwest around 5 mph.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. South wind 5 to 10 mph.

    High: 99 °F

    Hot

Detailed Forecast

Today
Mostly sunny and hot, with a high near 100. Heat index values as high as 109. South wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny and hot, with a high near 100. Heat index values as high as 109. Southwest wind around 5 mph.
Saturday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. Calm wind becoming south around 5 mph in the evening. Chance of precipitation is 20%.
Sunday
Mostly sunny and hot, with a high near 100. West southwest wind around 5 mph becoming north in the afternoon.
Sunday Night
Mostly clear, with a low around 75. East wind around 5 mph becoming south southwest after midnight.
Monday
Sunny and hot, with a high near 100. Calm wind becoming southwest around 5 mph.
Monday Night
Clear, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 99. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 98.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Mostly sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hallettsville TX
 29.44°N 96.91°W (Elev. 243 ft)
Last Update:
6:42 am CDT Jul 31, 2026
Forecast Valid:
11am CDT Jul 31, 2026-6pm CDT Aug 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation