North Bay Weather Forecast
- 54
- 76
Decreasing Clouds
- 57
- 78
Mostly Sunny
- 61
- 80
Rain Showers
- 55
- 75
Chance Rain Showers
- 54
- 71
Chance Rain Showers
- 56
- 74
Partly Sunny
Today 20 Aug Jefferson
Mostly cloudy late this Morning, then becoming partly sunny. Highs Ranging from around 70 on the tug hill to the mid 70s across the lower Elevations. Light northwest Winds.
Tonight 20 Aug Jefferson
Mainly clear. Lows Ranging from around 50 across the tug hill to the mid 50s along the lake Ontario shore. Light Winds.
North Bay Temperature Statistics
August Temperature
Watertown, Watertown International Airport (18.6 miles)
Lowest 16 August, 2026
47.6 °FAverage August
70 °FHighest 5 August, 2026
87.7 °F
Climate (2021–2026)
Watertown, Watertown International Airport (18.6 miles)
Average Low 2021–2026
38.3 °FAverage 2021–2026
48.3 °FAverage High 2021–2026
57.6 °F