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.

Mostly Cloudy

94°F

34°C

Humidity 48%
Wind Speed SW 9 mph
Barometer 30.05 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 9 Jul 2:15 pm CDT
Extended Forecast for

Hallettsville TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 97. Heat index values as high as 105. South southeast wind 10 to 15 mph.

    High: 97 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 75. South wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 93. Heat index values as high as 101. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, then gradually becoming clear, with a low around 76. South southeast wind 5 to 10 mph becoming light east southeast after midnight.

    Low: 76 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 94. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 94 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph becoming light after midnight.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 94 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph becoming light after midnight.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 94 °F

    Slight Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 97. Heat index values as high as 105. South southeast wind 10 to 15 mph.
Tonight
Partly cloudy, with a low around 75. South wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 93. Heat index values as high as 101. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, then gradually becoming clear, with a low around 76. South southeast wind 5 to 10 mph becoming light east southeast after midnight.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 94. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph becoming light after midnight.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph becoming light after midnight.
Monday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
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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:
1:32 pm CDT Jul 9, 2026
Forecast Valid:
2pm CDT Jul 9, 2026-6pm CDT Jul 15, 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