Henderson Bay Weather Forecast

    • 35
    • 47

    Slight Chance Rain Showers

    • 32
    • 40

    Mostly Cloudy

    • 36
    • 43

    Chance Rain Showers

    • 39
    • 44

    Mostly Cloudy

    • 44
    • 49

    Rain Showers

    • 38
    • 51

    Rain/Snow Likely

Today 21 Nov Jefferson

Cloudy. Showers likely late this Morning, then a chance of Showers early this afternoon. Breezy with Highs Ranging from the lower 40s inland to the upper 40s along the lake Ontario shore. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph late this Morning, becoming west. Chance of rain 60 percent.

Tonight 21 Nov Jefferson

Mostly cloudy. Lows in the upper 20s. Light west Winds.

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  • Temperature Real-Time

Henderson Bay Temperature Statistics

November Temperature

Watertown, Watertown International Airport (9.9 miles)

  • Lowest 15 November, 2025

    19.9 °F

  • Average November

    37.4 °F

  • Highest 3 November, 2025

    55 °F

Climate (2020–Present)

Watertown, Watertown International Airport (9.9 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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