Preston Hollow Weather Forecast

    • 77
    • 96

    Slight Chance Thunderstorms

    • 76
    • 95

    Slight Chance Thunderstorms

    • 76
    • 94

    Partly Sunny

    • 75
    • 94

    Partly Sunny

    • 75
    • 94

    Partly Sunny

    • 76
    • 95

    Partly Sunny

Today 22 Sep Bexar

Mostly sunny this Morning, then partly cloudy with a slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 90s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 22 Sep Bexar

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the mid 70s. East Winds 5 to 10 Mph, becoming northeast after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Preston Hollow Temperature Statistics

September Temperature

San Antonio, San Antonio International Airport (3.1 miles)

  • Lowest 19 September, 2026

    75 °F

  • Average September

    88.2 °F

  • Highest 15 September, 2026

    101.6 °F

Climate (2021–2026)

San Antonio, San Antonio International Airport (3.1 miles)

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  • Average Low 2021–2026

    62.4 °F

  • Average 2021–2026

    72.4 °F

  • Average High 2021–2026

    83.5 °F
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