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City of Seguin, TexasSeguin, TX 7-Day Night Weather Forecast
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Seguin, TX Weather Forecast
Seguin, TX Weather Forecast Date: 403 PM CDT Thu Sep 17 2026
The area/counties/county of: Guadalupe, including the city of Seguin.or toggle through each period.
Tonight... Mostly cloudy this evening, then becoming partly cloudy. Lows in the mid 70s. East winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight.
Friday... Partly cloudy in the morning, then becoming mostly sunny. Highs in the upper 90s. East winds 5 to 10 mph.
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 lower 70s. Southeast winds 5 to 10 mph.
Sunday... Partly cloudy. Highs in the upper 90s. Lows in the mid 70s.
Sunday Night... Partly cloudy. Highs in the upper 90s. Lows in the mid 70s.
Monday... 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 105.
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. Highest heat index readings up to 105.
Tuesday Night... Partly cloudy. Lows in the mid 70s. Highs in the upper 90s. Highest heat index readings up to 105.
Wednesday... Partly cloudy. Lows in the mid 70s. Highs in the upper 90s. Highest heat index readings up to 105.
POP = Probability of Precipitation
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