Grundy Forest State Natural Area Weather Forecast

    • 57
    • 74

    Partly Sunny

    • 52
    • 72

    Partly Sunny

    • 55
    • 74

    Partly Sunny

    • 56
    • 73

    Chance Rain Showers

    • 57
    • 76

    Partly Sunny

    • 59
    • 76

    Partly Sunny

Today 25 Aug Grundy

Partly sunny. Near steady temperature in the lower 70s. North Winds around 5 Mph.

Tonight 25 Aug Grundy

Mostly cloudy. Lows in the mid 50s. North Winds around 5 Mph.

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Grundy Forest State Natural Area Temperature Statistics

August Temperature

Winchester Municipal Airport (18 miles)

  • Lowest 22 August, 2025

    64.4 °F

  • Average August

    76.4 °F

  • Highest 18 August, 2025

    93.2 °F

Climate (2020–Present)

Winchester Municipal Airport (18 miles)

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  • Average Low 2020–2025

    50.4 °F

  • Average 2020–2025

    60.8 °F

  • Average High 2020–2025

    71 °F
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