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

71°F

22°C

Humidity 95%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 27 Sep 7:55 am CDT
Extended Forecast for

Hallettsville TX

  • Today

    Today: Mostly sunny and hot, with a high near 99. Heat index values as high as 102. Calm wind becoming east northeast around 5 mph.

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 71. Southeast wind 5 to 10 mph becoming light south southeast after midnight.

    Low: 71 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 98. Heat index values as high as 104. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.

    High: 98 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 70. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 97. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 97 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 74. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 95. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 95 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 91. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 91 °F

    Showers

Detailed Forecast

Today
Mostly sunny and hot, with a high near 99. Heat index values as high as 102. Calm wind becoming east northeast around 5 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 71. Southeast wind 5 to 10 mph becoming light south southeast after midnight.
Monday
Mostly sunny, with a high near 98. Heat index values as high as 104. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 70. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 97. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 74. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 95. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Showers and possibly a thunderstorm. High near 91. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Hallettsville TX
 29.44°N 96.91°W (Elev. 243 ft)
Last Update:
6:42 am CDT Sep 27, 2026
Forecast Valid:
8am CDT Sep 27, 2026-6pm CDT Oct 3, 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