Cape Vincent Weather Forecast

    • 27
    • 40

    Partly Sunny

    • 30
    • 39

    Mostly Cloudy

    • 38
    • 44

    Rain Showers Likely

    • 31
    • 47

    Rain Showers Likely

Today 18 Nov Jefferson

Mostly sunny. Highs Ranging from the mid 30s inland to around 40 along the lake Ontario shore. West Winds 5 to 10 Mph.

Tonight 18 Nov Jefferson

Mostly cloudy. Lows Ranging from the mid 20s across the tug hill to around 30 along the lake Ontario shore. West Winds 5 to 10 Mph.

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Cape Vincent Temperature Statistics

November Temperature

Watertown, Watertown International Airport (18 miles)

  • Lowest 15 November, 2025

    19.9 °F

  • Average November

    39 °F

  • Highest 3 November, 2025

    55 °F

Climate (2020–Present)

Watertown, Watertown International Airport (18 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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