World Resorts Canada Thunder Bay Weather

Thunder Bay 14 Days Forecast

05.10
mon
Day
48°F
SE 7 mph
Precip.
3%
Night
46°F
N 9 mph
Precip.
19%
06.10
tue
Day
55°F
N 14 mph
Precip.
33%
Night
55°F
SE 9 mph
Precip.
10%
07.10
wed
Day
57°F
NE 9 mph
Precip.
14%
Night
50°F
SE 11 mph
Precip.
17%
08.10
thu
Day
52°F
SE 13 mph
Precip.
14%
Night
48°F
SE 9 mph
Precip.
22%
09.10
fri
Day
46°F
SE 5 mph
Precip.
16%
Night
48°F
W 7 mph
Precip.
21%
10.10
sat
Day
52°F
NW 19 mph
Precip.
52%
Night
54°F
N 6 mph
Precip.
15%
11.10
sun
Day
54°F
NE 14 mph
Precip.
25%
Night
41°F
SW 18 mph
Precip.
21%
12.10
mon
Day
41°F
SW 9 mph
Precip.
14%
Night
39°F
E 3 mph
Precip.
11%
13.10
tue
Day
43°F
N 4 mph
Precip.
5%
Night
45°F
SW 2 mph
Precip.
15%
14.10
wed
Day
48°F
SW 17 mph
Precip.
50%
Night
50°F
SW 21 mph
Precip.
23%
15.10
thu
Day
45°F
SW 25 mph
Precip.
60%
Night
45°F
SW 20 mph
Precip.
30%
16.10
fri
Day
43°F
SW 15 mph
Precip.
8%
Night
43°F
SW 12 mph
Precip.
9%
17.10
sat
Day
45°F
SW 11 mph
Precip.
2%
Night
43°F
E 8 mph
Precip.
4%
18.10
sun
Day
45°F
SW 6 mph
Precip.
9%
Night
43°F
NE 2 mph
Precip.
8%

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 54.5°F. The highest and lowest sea temperatures during the month were 59.4°F and 49.6°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:
July 14 days
August 14 days
September 13 days
Warmest months:
July 71.1 °F
August 69.7 °F
June 63.8 °F
Warmest sea temp:
August 63.1 °F
September 60.1 °F
July 58.5 °F
Coldest months:
January 13.9 °F
February 15.0 °F
December 21.1 °F
Rainiest months:
September 2 days
April 2 days
August 2 days
Windiest months:
November 9.6 mph
December 9.2 mph
April 8.6 mph

Thunder Bay on a weather map

Current weather
17:02
Thunder Bay
+48°F
N 12 mph
Feels like: +45°F
Precip.: 16%
Places in Canada:
Name
°F
Vancouver
+55°F
Victoria
+59°F
Winnipeg
+63°F
Halifax
+61°F
Quebec
+48°F
Moncton
+55°F
Montreal
+50°F
Nanaimo
+61°F
Niagara Falls
+57°F
Prince Edward Island
+59°F
Ottawa
+46°F
St. John's
+50°F
Saint Andrews
+55°F
Sydney
+57°F
Toronto
+55°F
all places
24 Hours Forecast
Thunder Bay
Local time: 17:02
October 05, monday
1800
48°F
N
12 mph
2100
46°F
N
9 mph
October 06, tuesday
0000
46°F
N
9 mph
0300
48°F
N
12 mph
0600
50°F
NW
11 mph
0900
52°F
N
13 mph
1200
55°F
N
14 mph
1500
59°F
NE
14 mph
Units of measurement: °C / °F