Henderson Bay Weather Forecast
- 9
- 31
Breezy
- 25
- 28
Snow Showers Likely
- 23
- 37
Snow Showers
- 9
- 26
Snow Showers Likely
- 14
- 21
Chance Snow Showers
- 27
- 31
Snow Showers Likely
Today 4 Dec Jefferson
Mostly cloudy Early, then becoming partly sunny. A chance of snow Showers early. Windy, cold with near steady Temperatures Ranging from between 15 and 20 inland to the lower 20s along the lake Ontario shore. Northwest Winds 20 to 30 Mph. Chance of snow 50 percent.
Tonight 4 Dec Jefferson
Mainly clear. Much Colder with Lows Ranging from zero to 5 below across the tug hill to zero to 5 above along the lake Ontario shore. Northwest Winds 10 to 15 Mph, becoming light.
Henderson Bay Temperature Statistics
December Temperature
Watertown, Watertown International Airport (9.9 miles)
Lowest 1 December, 2025
19 °FAverage December
24.4 °FHighest 1 December, 2025
34 °F
Climate (2020–Present)
Watertown, Watertown International Airport (9.9 miles)
Average Low 2020–2025
38.9 °FAverage 2020–2025
48.6 °FAverage High 2020–2025
57.6 °F