Average sea water temperature in October:
+53.2°F
| Minimum sea water temperature in October: | 63.9°F |
| Maximum sea water temperature in October: | 45.9°F |
Daily sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 51.5°F. The highest and lowest sea temperatures during the month were 57.6°F and 47.5°F.
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Monthly sea water temperature in Thunder Bay, °F
Which Canada resorts have warmest sea in October?
| Place name | October 2026 | October 2025 |
|---|---|---|
| Niagara-on-the-Lake | 61.0°F | 63.2°F |
| Windsor | 60.6°F | 61.7°F |
| Hamilton | 60.3°F | 63.0°F |
| Niagara Falls | 60.0°F | 62.4°F |
| Barrie | 59.3°F | 61.7°F |
| Kingston | 59.0°F | 61.4°F |
| Toronto | 58.9°F | 62.7°F |
| Mississauga | 58.8°F | 62.8°F |
| Oshawa | 58.2°F | 62.2°F |
| Lunenburg | 55.5°F | 58.9°F |
| Quebec | 55.4°F | 58.6°F |
| Halifax | 55.3°F | 58.6°F |
| Surrey | 54.5°F | 53.5°F |
| Montreal | 54.4°F | 58.1°F |
| Sydney | 54.3°F | 57.5°F |
| Nanaimo | 54.2°F | 53.3°F |
| Tofino | 54.2°F | 53.5°F |
| Charlottetown | 54.0°F | 57.5°F |
| Saint John | 53.8°F | 54.9°F |
| Saint Andrews | 53.8°F | 54.8°F |
Best time for vacation in Thunder Bay
Thunder Bay on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Thunder Bay
Local time: 21:00
November 15, sunday
0000
27°F
SE
2 mph
2 mph
0300
27°F
SE
2 mph
2 mph
0600
27°F
E
2 mph
2 mph
0900
30°F
E
3 mph
3 mph
1200
41°F
NE
4 mph
4 mph
1500
43°F
N
6 mph
6 mph
1800
34°F
NE
6 mph
6 mph
2100
30°F
NE
6 mph
6 mph
