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

79°F

26°C

Humidity 84%
Wind Speed SE 7 mph
Barometer 29.86 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 27 Apr 8:55 pm CDT
Extended Forecast for

Hallettsville TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 102. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 74. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 93. Heat index values as high as 101. South wind around 5 mph.

    High: 93 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70. East southeast wind around 5 mph becoming northeast after midnight.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 88. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. East wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. North wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 56 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 102. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Increasing clouds, with a low around 74. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 93. Heat index values as high as 101. South wind around 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70. East southeast wind around 5 mph becoming northeast after midnight.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 88. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East southeast wind around 10 mph, with gusts as high as 20 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. East wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. North wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 70.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hallettsville TX
 29.44°N 96.94°W (Elev. 210 ft)
Last Update:
6:42 pm CDT Apr 27, 2026
Forecast Valid:
9pm CDT Apr 27, 2026-6pm CDT May 4, 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