Cape Vincent Weather Forecast

    • 67
    • 76

    Increasing Clouds

    • 63
    • 77

    Rain Showers

    • 59
    • 71

    Chance Rain Showers

    • 62
    • 75

    Mostly Sunny

    • 64
    • 71

    Partly Sunny

    • 65
    • 73

    Partly Sunny

Today 20 Jul Jefferson

Sunny. Highs Ranging from the mid 70s on the tug hill to the upper 70s across the lower Elevations. Light Winds, becoming southwest 10 to 15 Mph.

Tonight 20 Jul Jefferson

Mostly cloudy and Breezy, warmer with Lows Ranging from the lower 60s across the tug hill to the upper 60s along the lake Ontario shore. Southwest Winds 10 Mph or Less, becoming south 10 to 15 Mph.

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Cape Vincent Temperature Statistics

July Temperature

Watertown, Watertown International Airport (18 miles)

  • Lowest 17 July, 2026

    47.6 °F

  • Average July

    71.4 °F

  • Highest 1 July, 2026

    91.7 °F

Climate (2021–2026)

Watertown, Watertown International Airport (18 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.6 °F
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