Cape Vincent Weather Forecast

    • 65
    • 79

    Rain Showers

    • 57
    • 73

    Rain Showers

    • 56
    • 68

    Rain Showers

    • 58
    • 73

    Partly Sunny

    • 62
    • 73

    Partly Sunny

    • 64
    • 76

    Rain Showers Likely

    • 60
    • 74

    Chance Rain Showers

Today 22 Aug Jefferson

Mostly sunny. Highs Ranging from the mid 70s on the tug hill to the lower 80s across the lower Elevations. South Winds 10 Mph or less.

Tonight 22 Aug Jefferson

Partly cloudy this Evening, then mostly cloudy with Showers with a chance of Thunderstorms after midnight. Breezy with Lows Ranging from the upper 50s on the tug hill to the lower 60s across the lower Elevations. Southeast Winds 10 Mph or Less, increasing to 10 to 15 Mph. Chance of rain 90 percent.

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Cape Vincent Temperature Statistics

August Temperature

Watertown, Watertown International Airport (18 miles)

  • Lowest 16 August, 2026

    47.6 °F

  • Average August

    69.5 °F

  • Highest 5 August, 2026

    87.7 °F

Climate (2021–2026)

Watertown, Watertown International Airport (18 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57.6 °F
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