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

82°F

28°C

Humidity 82%
Wind Speed S 3 mph
Barometer 30.02 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 5 Aug 10:35 pm CDT
Extended Forecast for

Hallettsville TX

  • Tonight

    Tonight: Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 98. Heat index values as high as 110. Light south southeast wind becoming southeast 5 to 10 mph in the morning.

    High: 98 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. South southeast wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 97. Heat index values as high as 107. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 97 °F

    Mostly Sunny

  • Friday Night

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

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Saturday Night

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

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph becoming light south southeast after midnight.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 98. Heat index values as high as 110. Light south southeast wind becoming southeast 5 to 10 mph in the morning.
Thursday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. South southeast wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 97. Heat index values as high as 107. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 73. Southeast wind 5 to 10 mph becoming light south southeast after midnight.
Saturday
Sunny, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 73. Southeast wind 5 to 10 mph becoming light south southeast after midnight.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph becoming light south southeast after midnight.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Mostly sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny, with a high near 98.
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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:
6:42 pm CDT Aug 5, 2026
Forecast Valid:
10pm CDT Aug 5, 2026-6pm CDT Aug 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation