Arrowhead Bay Weather Forecast

    • 55
    • 75

    Chance Rain Showers

    • 50
    • 72

    Partly Sunny

    • 48
    • 70

    Partly Sunny

    • 51
    • 73

    Partly Sunny

    • 56
    • 73

    Mostly Cloudy

    • 62
    • 77

    Chance Rain Showers

Today 4 Sep Allegany

Some patchy fog Early, otherwise mostly cloudy this Morning, then partly sunny with a chance of Showers this afternoon. Highs Ranging from the lower 70s on the Hilltops to the mid 70s across the lower Elevations. Light northwest Winds. Chance of rain 50 percent.

Tonight 4 Sep Allegany

Mostly cloudy with a chance of Showers in the Evening, then partly cloudy overnight. Some patchy fog developing overnight. Cooler with Lows in the mid 50s. Light northwest Winds. Chance of rain 40 percent.

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Arrowhead Bay Temperature Statistics

September Temperature

Wellsville, Wellsville Municipal Airport (21.1 miles)

  • Lowest 1 September, 2026

    68 °F

  • Average September

    72.5 °F

  • Highest 1 September, 2026

    81 °F

Climate (2021–2026)

Wellsville, Wellsville Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    57 °F
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