Aunt Janes Bay Weather Forecast

    • 56
    • 74

    Decreasing Clouds

    • 51
    • 75

    Partly Sunny

    • 42
    • 66

    Sunny

    • 48
    • 65

    Mostly Sunny

    • 61
    • 74

    Partly Sunny

    • 64
    • 76

    Chance Rain Showers

Today 17 Sep Jefferson

Partly sunny. Highs in the upper 70s. Light west Winds.

Tonight 17 Sep Jefferson

Partly cloudy. Lows Ranging from the lower 50s across the tug hill to the mid 50s along the lake Ontario shore. Light south Winds.

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Aunt Janes Bay Temperature Statistics

September Temperature

Watertown, Watertown International Airport (19.3 miles)

  • Lowest 9 September, 2025

    39.9 °F

  • Average September

    61.3 °F

  • Highest 4 September, 2025

    80.1 °F

Climate (2020–Present)

Watertown, Watertown International Airport (19.3 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    57.7 °F
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