World Resorts Canada Thunder Bay Weather

Thunder Bay 14 Days Forecast

14.05
tue
Day
48°F
NW 5 mph
Precip.
0%
Night
43°F
SE 3 mph
Precip.
0%
15.05
wed
Day
48°F
NW 7 mph
Precip.
0%
Night
45°F
W 3 mph
Precip.
0%
16.05
thu
Day
43°F
W 9 mph
Precip.
100%
Night
45°F
NE 3 mph
Precip.
0%
17.05
fri
Day
57°F
N 2 mph
Precip.
0%
Night
43°F
W 3 mph
Precip.
82%
18.05
sat
Day
48°F
W 7 mph
Precip.
0%
Night
43°F
W 6 mph
Precip.
0%
19.05
sun
Day
54°F
E 6 mph
Precip.
100%
Night
50°F
NE 2 mph
Precip.
0%
20.05
mon
Day
57°F
N 7 mph
Precip.
26%
Night
54°F
SE 3 mph
Precip.
100%
21.05
tue
Day
54°F
W 6 mph
Precip.
0%
Night
50°F
SW 8 mph
Precip.
100%
22.05
wed
Day
52°F
SW 19 mph
Precip.
100%
Night
52°F
S 11 mph
Precip.
0%
23.05
thu
Day
50°F
S 11 mph
Precip.
0%
Night
41°F
NW 6 mph
Precip.
0%
24.05
fri
Day
48°F
NW 6 mph
Precip.
0%
Night
41°F
N 3 mph
Precip.
0%
25.05
sat
Day
55°F
SE 3 mph
Precip.
0%
Night
43°F
NW 3 mph
Precip.
0%
26.05
sun
Day
55°F
NE 5 mph
Precip.
0%
Night
46°F
NE 4 mph
Precip.
0%
27.05
mon
Day
55°F
N 8 mph
Precip.
0%
Night
48°F
N 8 mph
Precip.
100%

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
N 2 mph
Feels like: +45°F
Precip.: 0%
Places in Canada:
Name
°F
+59°F
+55°F
+48°F
+50°F
+55°F
+50°F
+54°F
+61°F
+59°F
+57°F
+43°F
+41°F
+43°F
+59°F
+46°F
24 Hours Forecast
Thunder Bay
Local time: 21:21
May 15, wednesday
0000
43°F
SE
3 mph
0300
41°F
S
4 mph
0600
41°F
S
3 mph
0900
45°F
W
4 mph
1200
48°F
NW
7 mph
1500
50°F
NW
9 mph
1800
50°F
NW
6 mph
2100
46°F
W
2 mph
Units of measurement: °C / °F