| NWS Forecast for: Guadalupe County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 842 AM CDT Thu Aug 13 2026 | |
Today: Partly cloudy this morning, then clearing. Hot with highs around 101. South winds 15 to 20 mph. Highest heat index readings up to 108. Tonight: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph, becoming south 5 to 10 mph with gusts up to 20 mph after midnight. Friday: Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. South winds 10 to 15 mph. Highest heat index readings up to 106. Friday Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph. Saturday: Partly cloudy in the morning, then clearing. Highs in the upper 90s. South winds 10 to 15 mph. Highest heat index readings up to 107. Saturday Night And Sunday: Partly cloudy. Lows in the mid 70s. Highs in the upper 90s. Highest heat index readings up to 105. Sunday Night: Clear. Lows in the mid 70s. Monday: Partly cloudy in the morning, then clearing. Highs in the upper 90s. Monday Night: Clear. Lows in the mid 70s. Tuesday Through Wednesday: Mostly clear. Hot. Highs around 100. Lows in the mid 70s. Highest heat index readings up to 105. | |
| Zone Forecast: Guadalupe County | |
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