Blanco State Park Weather Forecast

    • 69
    • 94

    Mostly Sunny

    • 71
    • 94

    Mostly Sunny

    • 71
    • 93

    Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

    • 71
    • 91

    Slight Chance Thunderstorms

    • 72
    • 94

    Slight Chance Thunderstorms

Today 24 Aug Blanco

Mostly sunny. Highs in the mid 90s. North Winds around 5 Mph, becoming northeast around 5 Mph in the afternoon.

Tonight 24 Aug Blanco

Mostly clear. Lows around 70. Southeast Winds around 5 Mph, becoming south after midnight.

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Blanco State Park Temperature Statistics

August Temperature

San Antonio Boerne Stage Field (29.8 miles)

  • Lowest 5 August, 2025

    64.4 °F

  • Average August

    81.1 °F

  • Highest 1 August, 2025

    96.8 °F

Climate (2020–Present)

San Antonio Boerne Stage Field (29.8 miles)

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  • Average Low 2020–2025

    55.8 °F

  • Average 2020–2025

    66.2 °F

  • Average High 2020–2025

    77.6 °F
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