River Rock Ranch Weather Forecast

    • 66
    • 91

    Slight Chance Thunderstorms

    • 66
    • 91

    Partly Sunny

    • 66
    • 92

    Partly Sunny

    • 70
    • 92

    Mostly Sunny

    • 70
    • 92

    Slight Chance Rain Showers

    • 69
    • 92

    Slight Chance Thunderstorms

Today 16 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.

Tonight 16 Sep Bexar

Partly cloudy. Lows in the upper 60s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west after midnight.

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River Rock Ranch Temperature Statistics

September Temperature

San Antonio Boerne Stage Field (3.7 miles)

  • Lowest 4 September, 2025

    59 °F

  • Average September

    75.5 °F

  • Highest 4 September, 2025

    96.8 °F

Climate (2020–Present)

San Antonio Boerne Stage Field (3.7 miles)

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  • Average Low 2020–2025

    55.7 °F

  • Average 2020–2025

    66.2 °F

  • Average High 2020–2025

    77.7 °F
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