Chapman State Park Weather Forecast

    • 56
    • 81

    Mostly Sunny

    • 64
    • 89

    Mostly Sunny

    • 68
    • 93

    Mostly Sunny

    • 67
    • 89

    Rain Showers Likely

    • 66
    • 87

    Rain Showers Likely

    • 65
    • 87

    Chance Thunderstorms

Today 22 Jul Warren

Sunny. Highs in the upper 70s. East Winds around 5 Mph.

Tonight 22 Jul Warren

Mostly clear. Lows in the mid 50s. East Winds around 5 Mph.

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Chapman State Park Temperature Statistics

July Temperature

Jamestown, Chautauqua County/Jamestown Airport (27.3 miles)

  • Lowest 4 July, 2025

    52 °F

  • Average July

    71.3 °F

  • Highest 5 July, 2025

    86 °F

Climate (2020–Present)

Jamestown, Chautauqua County/Jamestown Airport (27.3 miles)

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  • Average Low 2020–2025

    40.8 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    55.9 °F
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