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Derby, TX Weather Forecast
Derby, TX Weather Forecast Date: 403 PM CDT Thu Sep 17 2026
The area/counties/county of: Frio, including the city of Pearsall.or toggle through each period.
Tonight... Mostly cloudy with a slight chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows in the mid 70s. East winds 5 to 10 mph. Chance of rain 20%.
Friday... Partly cloudy. A slight chance of showers and thunderstorms in the morning. Highs in the upper 90s. East winds 5 to 10 mph. Chance of rain 20%. Highest heat index readings up to 105.
Friday Night... Mostly clear. Lows in the lower 70s. Southeast winds 5 to 10 mph.
Saturday... Mostly sunny. Highs in the upper 90s. Southeast winds 5 to 10 mph.
Saturday Night... Mostly clear. Lows in the mid 70s. Southeast winds 5 to 10 mph.
Sunday... Partly cloudy. Highs in the upper 90s. Lows in the mid 70s.
Monday... Partly cloudy. Highs in the upper 90s. Lows in the mid 70s.
Monday Night... Mostly clear. Lows in the mid 70s.
Tuesday... Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s.
Wednesday... Partly cloudy. Highs in the upper 90s. Lows in the mid 70s.
Wednesday Night... Partly cloudy. Highs in the upper 90s. Lows in the mid 70s.
POP = Probability of Precipitation
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