Monthly Historical AveragesThunder Bay Airport, ON
Average Temperature
High
8°
Feels 6
Low
-3°
Feels -6
Average Precipitation
9 Days
27mm
35.4cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, April 21, 2026
Day
16°Feels 16
Wind
14 km/h NW
Gust
20 km/h
Humidity
17%
P.O.P
0%
Night
0°Feels -2
Wind
12 km/h NW
Gust
17 km/h
Humidity
86%
P.O.P
10%
Historical AveragesApr 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity