World Resorts Canada Thunder Bay Weather

Thunder Bay 7 Days Forecast

16.05
thu
Day
45°F
W 9 mph
Precip.
0%
Night
43°F
SE 3 mph
Precip.
76%
17.05
fri
Day
57°F
E 5 mph
Precip.
0%
Night
45°F
W 6 mph
Precip.
0%
18.05
sat
Day
50°F
W 6 mph
Precip.
100%
Night
52°F
E 6 mph
Precip.
0%
19.05
sun
Day
63°F
E 9 mph
Precip.
0%
Night
55°F
N 1 mph
Precip.
0%
20.05
mon
Day
46°F
W 11 mph
Precip.
100%
Night
50°F
NW 2 mph
Precip.
27%
21.05
tue
Day
57°F
SE 4 mph
Precip.
17%
Night
48°F
SE 11 mph
Precip.
0%
22.05
wed
Day
55°F
SE 14 mph
Precip.
21%
Night
46°F
SE 13 mph
Precip.
25%

Sea water temperature in May, °F

Show year:
2023
2022
2021

The average sea water temperature in May of 2023 was 37.9°F. The highest and lowest sea temperatures during the month were 41.7°F and 34.5°F.

Air temperature in Thunder Bay, °F

Precipitation total in Thunder Bay, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Thunder Bay

Sunniest months:
September 15 days
August 14 days
July 13 days
Warmest months:
July 69.2 °F
August 68.9 °F
June 63.7 °F
Warmest sea temp:
August 62.8 °F
September 59.4 °F
July 58.9 °F
Coldest months:
February 14.2 °F
January 15.0 °F
December 22.1 °F
Rainiest months:
September 3 days
August 3 days
April 2 days
Windiest months:
November 9.7 mph
December 9.2 mph
April 9.1 mph

Thunder Bay on a weather map

Thunder Bay
+45°F
W 9 mph
Feels like: +41°F
Precip.: 0%
Places in Canada:
Name
°F
+55°F
+55°F
+54°F
+59°F
+63°F
+43°F
+63°F
+57°F
+55°F
+64°F
+54°F
+41°F
+57°F
+64°F
+61°F
24 Hours Forecast
Thunder Bay
Local time: 10:52
May 16, thursday
1200
45°F
W
9 mph
1500
43°F
W
12 mph
1800
41°F
W
8 mph
2100
41°F
SW
6 mph
May 17, friday
0000
43°F
SE
3 mph
0300
43°F
NE
6 mph
0600
45°F
E
7 mph
0900
48°F
E
9 mph
Units of measurement: °C / °F