Chapman State Park Weather Forecast

    • 64
    • 78

    Chance Thunderstorms

    • 57
    • 82

    Mostly Cloudy

    • 53
    • 82

    Partly Sunny

    • 58
    • 81

    Chance Rain Showers

    • 62
    • 81

    Rain Showers Likely

    • 55
    • 78

    Partly Sunny

Today 12 Aug Warren

Patchy fog this morning. Mostly cloudy this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Highs in the upper 70s. Southwest Winds around 5 Mph. Chance of rain 30 percent.

Tonight 12 Aug Warren

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Patchy fog after midnight. Humid with Lows in the mid 60s. Southwest Winds around 5 Mph. Chance of rain 70 percent.

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Chapman State Park Temperature Statistics

August Temperature

Jamestown, Chautauqua County/Jamestown Airport (27.3 miles)

  • Lowest 4 August, 2026

    54 °F

  • Average August

    69.6 °F

  • Highest 5 August, 2026

    82 °F

Climate (2021–2026)

Jamestown, Chautauqua County/Jamestown Airport (27.3 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    55.9 °F
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