Measurements:
°C
°F
CURRENT WEATHER
06:14
Thunder Bay
48°F
SE 9 mph
Feels like: 44°F
Precip: 7%
World Resorts Canada Thunder Bay Weather

14 Day Weather Forecast

10.19
mon
DAY
50°F
S 4 mph
precip
2%
NIGHT
46°F
W 2 mph
precip
4%
10.20
tue
DAY
50°F
NW 6 mph
precip
5%
NIGHT
46°F
NE 4 mph
precip
9%
10.21
wed
DAY
54°F
E 4 mph
precip
17%
NIGHT
48°F
SW 3 mph
precip
13%
10.22
thu
DAY
52°F
W 4 mph
precip
17%
NIGHT
48°F
W 5 mph
precip
13%
10.23
fri
DAY
52°F
W 5 mph
precip
13%
NIGHT
50°F
W 5 mph
precip
31%
10.24
sat
DAY
54°F
N 12 mph
precip
22%
NIGHT
54°F
N 11 mph
precip
58%
10.25
sun
DAY
50°F
NE 19 mph
precip
6%
NIGHT
40°F
E 17 mph
precip
7%
10.26
mon
DAY
38°F
E 11 mph
precip
8%
NIGHT
34°F
SE 11 mph
precip
21%
10.27
tue
DAY
34°F
SE 13 mph
precip
14%
NIGHT
28°F
SE 12 mph
precip
14%
10.28
wed
DAY
28°F
SE 11 mph
precip
13%
NIGHT
28°F
E 9 mph
precip
29%
10.29
thu
DAY
32°F
SE 8 mph
precip
9%
NIGHT
30°F
SE 5 mph
precip
11%
10.30
fri
DAY
38°F
NE 9 mph
precip
3%
NIGHT
42°F
NE 19 mph
precip
15%
10.31
sat
DAY
44°F
NE 22 mph
precip
14%
NIGHT
44°F
NE 17 mph
precip
26%
11.01
sun
DAY
48°F
NE 10 mph
precip
10%
NIGHT
44°F
NW 5 mph
precip
21%

Thunder Bay Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Thunder Bay was 53.8°F. The maximum and minimum values were 49.8°F and 58.4°F respectively.

Thunder Bay on the Weather Map

Best Time to Visit Thunder Bay
The most sunny months:
July 14 days
August 14 days
September 13 days
The most warm months:
July 73.4 °F
August 71.9 °F
June 65.3 °F
Warmest sea temperature:
August 64.6 °F
September 61.2 °F
July 59.4 °F
The most cold months:
January 9.8 °F
February 11.1 °F
December 17.9 °F
The most rainy months:
September 2 days
April 2 days
August 2 days
The most windy months:
November 9 mph
December 9 mph
April 8 mph
more details
Canada Resorts:
NAME
F°
Halifax +32
Moncton +36
Montreal +44
Nanaimo +48
Niagara Falls +50
Ottawa +38
Prince Edward Island +38
Quebec +38
Saint Andrews +46
St. John's +36
Sydney +30
Toronto +46
Vancouver +54
Victoria +50
Winnipeg +42
all resorts
24 Hours Weather Forecast
Thunder Bay
Local time: 06:14
19 oct, monday
0900 44°F
SE
6 mph
1200 50°F
S
4 mph
1500 54°F
NW
4 mph
1800 50°F
NW
4 mph
2100 46°F
NW
2 mph
20 oct, tuesday
0000 46°F
W
2 mph
0300 44°F
W
4 mph
0600 44°F
W
5 mph