Jamestown Weather Forecast

    • 42
    • 65

    Chance Rain Showers

    • 41
    • 68

    Mostly Sunny

    • 46
    • 75

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

    • 46
    • 76

    Mostly Sunny

    • 47
    • 73

    Mostly Sunny

Today 7 Sep Chautauqua

Partly sunny with a chance of Showers through early Afternoon, then mostly sunny late. Cool with Highs in the lower 60s. Light Winds, becoming west 5 to 10 Mph. Chance of rain 40 percent.

Tonight 7 Sep Chautauqua

Partly cloudy. A chance of Showers overnight. Lows Ranging from the lower 40s in interior Valleys to around 50 along the lake Erie shore. West Winds 5 to 10 Mph, becoming light. Chance of rain 40 percent.

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Jamestown Temperature Statistics

September Temperature

Jamestown, Chautauqua County/Jamestown Airport (3.7 miles)

  • Lowest 4 September, 2025

    50 °F

  • Average September

    63 °F

  • Highest 3 September, 2025

    77 °F

Climate (2020–Present)

Jamestown, Chautauqua County/Jamestown Airport (3.7 miles)

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  • Average Low 2020–2025

    40.8 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    56 °F
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