Cape Vincent Weather Forecast
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Mostly Cloudy
Today 7 Apr Jefferson
Cloudy. Snow Early, then scattered snow Showers late. Additional accumulation an inch or less. Cold with Highs Ranging from the upper 20s on the tug hill to the lower 30s across the lower Elevations. Northwest Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of snow 90 percent.
Tonight 7 Apr Jefferson
Partly cloudy in the Evening, then becoming mainly clear. Colder with Lows Ranging from 10 to 15 across the tug hill to 15 to 20 along the lake Ontario shore. West Winds 5 to 10 Mph, becoming light.
Cape Vincent Temperature Statistics
April Temperature
Watertown, Watertown International Airport (18 miles)
Lowest 2 April, 2026
32.6 °FAverage April
45.2 °FHighest 3 April, 2026
73.7 °F
Climate (2021–Present)
Watertown, Watertown International Airport (18 miles)
Average Low 2021–2026
38.5 °FAverage 2021–2026
48.3 °FAverage High 2021–2026
57.6 °F