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14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Thunder Bay, Unorganized, ON
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May
Average Temperature
High
15°
Feels 14
Low
2°
Feels 0
Average Precipitation
12 Days
Rain amount
105.1mm
Snow amount
6.1cm
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Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
10°
21
14°
22
16°
23
11°
24
16°
25
23°
26
27°
27
30°
28
25°
29
23°
30
22°
31
22°
Forecast
Wednesday, May 20, 2026
Day
10°
Feels 8
Wind
14 km/h NW
Gust
24 km/h
Humidity
37%
P.O.P
20%
Night
-1°
Feels -5
Wind
13 km/h S
Gust
20 km/h
Humidity
86%
P.O.P
10%
Historical Averages
May 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.