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

91°F

33°C

Humidity 52%
Wind Speed E 3 mph
Barometer 30.01 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 1 Sep 12:35 pm CDT
Extended Forecast for

Hallettsville TX

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 98. Heat index values as high as 105. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 30%.

    High: 98 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 98. Heat index values as high as 105. Southwest wind around 5 mph.

    High: 98 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 96. Light south wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 30%.

    High: 96 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph becoming light south southeast after midnight.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Light southeast wind increasing to 5 to 10 mph in the afternoon.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. Southeast wind 5 to 10 mph becoming light south southeast after midnight.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 98. Heat index values as high as 105. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 30%.
Tonight
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 98. Heat index values as high as 105. Southwest wind around 5 mph.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 96. Light south wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph becoming light south southeast after midnight.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Light southeast wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 74. Southeast wind 5 to 10 mph becoming light south southeast after midnight.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 74.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Sunday Night
Partly cloudy, with a low around 74.
Labor Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hallettsville TX
 29.46°N 96.94°W (Elev. 276 ft)
Last Update:
12:42 pm CDT Sep 1, 2026
Forecast Valid:
12pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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