Cape Vincent Weather Forecast

    • 50
    • 70

    Increasing Clouds

    • 59
    • 75

    Chance Rain Showers

    • 58
    • 72

    Rain Showers

    • 56
    • 76

    Slight Chance Rain Showers

    • 58
    • 75

    Mostly Sunny

    • 59
    • 77

    Mostly Sunny

Today 4 Jun Jefferson

Sunny. Highs Ranging from the lower 70s along the lake Ontario shore to the upper 70s inland. Southwest Winds 10 Mph or less.

Tonight 4 Jun Jefferson

Mainly clear Early, then becoming partly cloudy. Lows in the lower 50s. Southwest Winds 5 to 10 Mph, becoming light.

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Cape Vincent Temperature Statistics

June Temperature

Watertown, Watertown International Airport (18 miles)

  • Lowest 1 June, 2026

    37.9 °F

  • Average June

    57.3 °F

  • Highest 2 June, 2026

    70 °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

    57.5 °F
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