Stonewall Weather Forecast

    • 67
    • 91

    Slight Chance Thunderstorms

    • 66
    • 91

    Slight Chance Thunderstorms

    • 68
    • 92

    Mostly Sunny

    • 69
    • 92

    Mostly Sunny

    • 69
    • 93

    Chance Rain Showers

    • 65
    • 91

    Chance Rain Showers

    • 65
    • 88

    Chance Rain Showers

Today 18 Sep Gillespie

Mostly sunny this Morning, then partly cloudy with a slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. South Winds 5 to 10 Mph.

Tonight 18 Sep Gillespie

Partly cloudy. Lows in the upper 60s. South Winds 5 to 10 Mph.

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Stonewall Temperature Statistics

September Temperature

Fredericksburg, Gillespie County Airport (14.3 miles)

  • Lowest 9 September, 2025

    59 °F

  • Average September

    75.7 °F

  • Highest 4 September, 2025

    95.5 °F

Climate (2020–Present)

Fredericksburg, Gillespie County Airport (14.3 miles)

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  • Average Low 2020–2025

    55.3 °F

  • Average 2020–2025

    66.8 °F

  • Average High 2020–2025

    78.6 °F
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