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Barth Lake, TX Weather Forecast
Barth Lake, TX Weather Forecast Date: 431 AM CDT Tue Sep 01 2026
The area/counties/county of: Caldwell, including the city of Lockhart.or toggle through each period.
Today... Mostly sunny this morning, then becoming partly cloudy. A slight chance of showers. A slight chance of thunderstorms this afternoon. Highs in the upper 90s. Northwest winds around 5 mph, becoming east around 5 mph this afternoon. Chance of rain 20%. Highest heat index readings up to 105.
Tonight... Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. Southeast winds 5 to 10 mph, becoming southwest after midnight. Chance of rain 20%.
Wednesday... Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. South winds around 5 mph. Highest heat index readings up to 105.
Wednesday Night... A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 70s. South winds 5 to 10 mph. Chance of rain 40%.
Thursday... Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 90s. South winds 5 to 10 mph.
Thursday Night... Partly cloudy. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 70s. Chance of rain 30%.
Friday... Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 90s. Highest heat index readings up to 105.
Friday Night... Mostly clear. Lows in the mid 70s.
Saturday... Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Highest heat index readings up to 110.
Saturday Night... Mostly clear. Lows in the mid 70s.
Sunday... Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Highest heat index readings up to 110.
Sunday Night... Mostly clear. Lows in the mid 70s. Highs in the upper 90s. Highest heat index readings up to 110.
POP = Probability of Precipitation
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