Cape Vincent Weather Forecast
- 35
- 46
Rain Showers
- 32
- 44
Partly Sunny
- 46
- 49
Rain Showers Likely
- 45
- 55
Rain Showers Likely
- 48
- 56
Rain Showers Likely
- 47
- 58
Rain Showers Likely
Today 10 Apr Jefferson
Rain Showers. Temperatures falling to the mid 40s along the lake Ontario shore and to the upper 40s inland. North Winds 10 to 15 Mph, becoming northwest 5 to 10 Mph. Chance of rain near 100 percent.
Tonight 10 Apr Jefferson
Mostly cloudy. Rain Showers in the Evening, then a chance of rain Showers overnight. Some patchy fog developing. Lows in the mid 30s. Light northwest Winds. Chance of rain 80 percent.
Cape Vincent Temperature Statistics
April Temperature
Watertown, Watertown International Airport (18 miles)
Lowest 8 April, 2026
15.1 °FAverage April
41.5 °FHighest 3 April, 2026
73.7 °F
Climate (2021–Present)
Watertown, Watertown International Airport (18 miles)
Average Low 2021–2026
38.4 °FAverage 2021–2026
48.3 °FAverage High 2021–2026
57.5 °F