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Koerth, TX Weather Forecast
Koerth, TX Weather Forecast Date: 612 PM CDT Wed Sep 02 2026
The area/counties/county of: Lavaca, including the city of Hallettsville.or toggle through each period.
Tonight... Partly cloudy. A slight chance of showers this evening. Lows in the upper 70s. South winds 10 to 15 mph. Chance of rain 20%.
Thursday... Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. South winds 5 to 10 mph, becoming southeast 10 to 15 mph in the afternoon. Chance of rain 20%. Highest heat index readings up to 109.
Thursday Night... Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southeast winds 10 to 15 mph, diminishing to around 5 mph after midnight.
Friday... Partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Temperature falling into the lower 90s in the afternoon. Southeast winds 5 to 10 mph. Chance of rain 50%. Highest heat index readings up to 106.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph.
Saturday... Partly cloudy. 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.
Saturday Night... Mostly clear. Lows in the mid 70s.
Sunday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Highest heat index readings up to 105.
Sunday Night... Mostly clear. Lows in the mid 70s.
Labor Day... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30%. Highest heat index readings up to 105.
Monday Night... Mostly clear. A slight chance of showers after midnight. Lows in the mid 70s.
Tuesday... Partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40%. Highest heat index readings up to 110.
Tuesday Night... Partly cloudy. A slight chance of showers after midnight. Lows in the mid 70s.
POP = Probability of Precipitation
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