Cape Vincent Weather Forecast

    • 52
    • 69

    Increasing Clouds

    • 55
    • 69

    Mostly Cloudy

    • 53
    • 66

    Mostly Cloudy

    • 51
    • 65

    Mostly Cloudy

    • 55
    • 65

    Partly Sunny

    • 58
    • 68

    Chance Rain Showers

Today 25 Sep Jefferson

Sunny. Highs Ranging from the mid 60s on the tug hill to the upper 60s across the lower Elevations. Northeast Winds 5 to 10 Mph.

Tonight 25 Sep Jefferson

Partly cloudy. Lows in the mid 40s. Light northeast Winds.

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Cape Vincent Temperature Statistics

September Temperature

Watertown, Watertown International Airport (18 miles)

  • Lowest 19 September, 2026

    38.6 °F

  • Average September

    61.7 °F

  • Highest 2 September, 2026

    83.6 °F

Climate (2021–2026)

Watertown, Watertown International Airport (18 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.5 °F
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