Monthly Historical AveragesThunder Bay, ON
Average Temperature
High
24°
Feels 24
Low
11°
Feels 11
Average Precipitation
11 Days
63.6mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, August 3, 2026
Day
24°Feels 28
Wind
15 km/h SE
Gust
23 km/h
Humidity
57%
P.O.P
20%
Night
17°Feels 17
Wind
15 km/h E
Gust
23 km/h
Humidity
100%
P.O.P
90%
Rain
1-3 mm
Historical AveragesAug 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity