Shermans Bay Weather Forecast

    • 54
    • 75

    Partly Sunny

    • 47
    • 75

    Decreasing Clouds

    • 49
    • 76

    Partly Sunny

    • 61
    • 80

    Partly Sunny

    • 62
    • 85

    Chance Rain Showers

    • 51
    • 73

    Slight Chance Rain Showers

    • 49
    • 70

    Partly Sunny

Today 5 Sep Chautauqua

Sunny. Highs in the lower 70s. Light Winds, becoming north around 10 Mph.

Tonight 5 Sep Chautauqua

Mainly clear late this Evening, then becoming partly cloudy with some patchy fog developing. Lows Ranging from the mid 50s in interior Valleys to the upper 50s along the lake Erie shore. Light east Winds.

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Shermans Bay Temperature Statistics

September Temperature

Jamestown, Chautauqua County/Jamestown Airport (5 miles)

  • Lowest 3 September, 2026

    64.4 °F

  • Average September

    72.7 °F

  • Highest 2 September, 2026

    84 °F

Climate (2021–2026)

Jamestown, Chautauqua County/Jamestown Airport (5 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    55.8 °F
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