Willow Bay Weather Forecast

    • 43
    • 66

    Rain Showers Likely

    • 39
    • 64

    Chance Rain Showers

    • 41
    • 68

    Mostly Sunny

    • 45
    • 74

    Mostly Sunny

    • 47
    • 76

    Mostly Sunny

    • 41
    • 74

    Mostly Sunny

    • 40
    • 70

    Mostly Sunny

Today 6 Sep Warren

Mostly cloudy with a 20 percent chance of Showers. Near steady temperature in the mid 60s. West Winds 5 to 10 Mph.

Tonight 6 Sep Warren

Mostly cloudy this Evening, then becoming partly cloudy. A chance of Showers. Lows in the mid 40s. West Winds around 5 Mph, becoming southwest. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Willow Bay Temperature Statistics

September Temperature

Jamestown, Chautauqua County/Jamestown Airport (19.9 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 (19.9 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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