Cape Vincent Weather Forecast

    • 48
    • 66

    Rain

    • 51
    • 61

    Rain

    • 49
    • 66

    Chance Rain Showers

    • 50
    • 64

    Partly Sunny

    • 49
    • 68

    Mostly Sunny

    • 48
    • 66

    Partly Sunny

Today 23 May Jefferson

Mostly cloudy. Highs Ranging from around 60 on the tug hill to the upper 60s across the lower Elevations. Southeast Winds 5 to 10 Mph.

Tonight 23 May Jefferson

Mostly cloudy. Lows Ranging from the mid 40s across the tug hill to around 50 along the lake Ontario shore. Light southeast Winds.

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Cape Vincent Temperature Statistics

May Temperature

Watertown, Watertown International Airport (18 miles)

  • Lowest 1 May, 2026

    29.6 °F

  • Average May

    52.4 °F

  • Highest 18 May, 2026

    87.1 °F

Climate (2021–Present)

Watertown, Watertown International Airport (18 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57.6 °F
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