Black River Bay Weather Forecast
- 6
- 18
Mostly Cloudy
- -2
- 25
Snow Showers
- -12
- 6
Cold
- -2
- 7
Cold
- 6
- 18
Partly Sunny
- 7
- 21
Mostly Cloudy
Today 5 Feb Jefferson
Partly sunny and cold with Highs 15 to 20. Light west Winds.
Tonight 5 Feb Jefferson
Mostly cloudy. Lows zero to 5 above. Light Winds.
Black River Bay Temperature Statistics
February Temperature
Watertown, Watertown International Airport (4.3 miles)
Lowest 1 February, 2026
-0.9 °FAverage February
10.3 °FHighest 2 February, 2026
21 °F
Climate (2021–Present)
Watertown, Watertown International Airport (4.3 miles)
Average Low 2021–2026
38.6 °FAverage 2021–2026
48.4 °FAverage High 2021–2026
57.5 °F