Chapman State Park Weather Forecast

    • 32
    • 48

    Rain

    • 15
    • 36

    Snow

    • 21
    • 40

    Chance Rain/Snow

    • 15
    • 30

    Mostly Cloudy

    • 20
    • 30

    Chance Snow

    • 28
    • 41

    Chance Rain

Today 18 Dec Warren

Mostly sunny. Highs in the mid 40s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 18 Dec Warren

Rain Showers. Lows around 30. South Winds 10 to 15 Mph, becoming southwest after midnight. Gusts up to 40 Mph. Chance of rain near 100 percent.

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Chapman State Park Temperature Statistics

December Temperature

Jamestown, Chautauqua County/Jamestown Airport (27.3 miles)

  • Lowest 9 December, 2025

    3 °F

  • Average December

    20.7 °F

  • Highest 10 December, 2025

    33.1 °F

Climate (2020–Present)

Jamestown, Chautauqua County/Jamestown Airport (27.3 miles)

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  • Average Low 2020–2025

    40.7 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    55.9 °F
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