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

77°F

25°C

Humidity 86%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Aug 1:15 am CDT
Extended Forecast for

Hallettsville TX

  • Overnight

    Overnight: Clear, with a low around 73. South southeast wind around 5 mph becoming calm.

    Low: 73 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 101. Heat index values as high as 106. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 101 °F

    Hot

  • Monday Night

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

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Heat index values as high as 107. South wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. South southeast wind 5 to 15 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Light south wind becoming south southeast 5 to 10 mph in the morning.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. Light south southeast wind increasing to 5 to 10 mph in the morning.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. Southeast wind 5 to 10 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 73. South southeast wind around 5 mph becoming calm.
Monday
Sunny and hot, with a high near 101. Heat index values as high as 106. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 74. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 99. Heat index values as high as 107. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 74. South southeast wind 5 to 15 mph.
Wednesday
Sunny and hot, with a high near 99. Light south wind becoming south southeast 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 75. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 98. Light south southeast wind increasing to 5 to 10 mph in the morning.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. Southeast wind 5 to 10 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 74.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
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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:
1:24 am CDT Aug 3, 2026
Forecast Valid:
1am CDT Aug 3, 2026-6pm CDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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