| NWS Forecast for: Bexar County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 718 PM CDT Thu Aug 27 2026 |  |
| Tonight: Cloudy with a chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 50 percent. Highest heat index readings up to 107 early this evening. Friday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs around 100. East winds 5 to 10 mph. Chance of rain 20 percent. Highest heat index readings up to 109. Friday Night: Clear. Lows in the mid 70s. Southeast winds 5 to 10 mph. Saturday: Sunny. Highs in the upper 90s. Southeast winds 5 to 10 mph. Highest heat index readings up to 105. Saturday Night: Clear. Lows in the mid 70s. Southeast winds 5 to 10 mph. Sunday And Sunday Night: Clear. Highs in the upper 90s. Lows in the mid 70s. Monday Through Tuesday: Mostly clear. Highs in the upper 90s. Lows in the mid 70s. Highest heat index readings up to 105. Tuesday Night: Clear. Lows in the mid 70s. Wednesday: Partly cloudy in the morning, then clearing. Highs in the upper 90s. Highest heat index readings up to 105. Wednesday Night: Clear. Lows in the mid 70s. Thursday: Partly cloudy in the morning, then clearing. Highs in the upper 90s. Highest heat index readings up to 105. | |
| Zone Forecast: Bexar County | |
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