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.

Fair

78°F

26°C

Humidity 95%
Wind Speed S 5 mph
Barometer 29.97 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 13 Aug 3:55 am CDT
Extended Forecast for

Hallettsville TX

  • Today

    Today: Sunny and hot, with a high near 99. Heat index values as high as 107. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 76. South southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 107. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. South southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

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

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. South southeast wind 10 to 15 mph becoming light south after midnight. Winds could gust as high as 20 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South southeast wind 5 to 10 mph becoming light south southwest after midnight.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 100 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 107. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 76. South southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 107. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 76. South southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny and hot, with a high near 99. South southeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 73. South southeast wind 10 to 15 mph becoming light south after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny and hot, with a high near 100. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 73. South southeast wind 5 to 10 mph becoming light south southwest after midnight.
Monday
Sunny and hot, with a high near 100. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny and hot, with a high near 100.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 100.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hallettsville TX
 29.44°N 96.91°W (Elev. 243 ft)
Last Update:
2:46 am CDT Aug 13, 2026
Forecast Valid:
4am CDT Aug 13, 2026-6pm CDT Aug 19, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation