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City of Hallettsville, TXHallettsville, TX 7-Day Night Weather Forecast
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Hallettsville, TX Weather Forecast
Hallettsville, TX Weather Forecast Date: 409 PM CDT Sun Sep 06 2026
The area/counties/county of: Lavaca, including the city of Hallettsville.or toggle through each period.
Tonight... Partly cloudy this evening, then clearing. Lows in the mid 70s. South winds around 5 mph.
Labor Day... Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 90s. Southwest winds around 5 mph, becoming southeast in the afternoon. Highest heat index readings up to 105.
Monday Night... Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph.
Tuesday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. South winds 5 to 10 mph. Highest heat index readings up to 107.
Tuesday Night... Mostly clear. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph.
Wednesday... Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Temperature falling into the lower 90s in the afternoon. Chance of rain 40%. Highest heat index readings up to 110.
Wednesday Night... Mostly clear. Lows in the mid 70s. Highs in the upper 90s. Highest heat index readings up to 110.
Thursday... Mostly clear. Lows in the mid 70s. Highs in the upper 90s. Highest heat index readings up to 110.
Friday... Mostly clear. Lows in the mid 70s. Highs in the upper 90s. Highest heat index readings up to 110.
Saturday... Partly cloudy in the morning, then clearing. Highs in the upper 90s. Highest heat index readings up to 110.
Saturday Night... Mostly clear. Lows in the mid 70s.
POP = Probability of Precipitation
Hallettsville Radar Loop
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