Please click on any column to get detailed information about Thunder Bay weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
The warmest month in Thunder Bay is july. The average daily temp is 69.2°F. The average nightly temp is 58.8°F.
Sea water temperature, °F
The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 62.8°F.
Precipitation total, in.
Number of rainy days
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
sea water
temperature
temperature
| Thunder Bay |
14 days
forecast
forecast
| Thunder Bay |
current
weather
weather
| Thunder Bay |
7 days
forecast
forecast
| Thunder Bay |
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: 21:42
May 15, wednesday
0000
43°F
SE
3 mph
3 mph
0300
43°F
S
4 mph
4 mph
0600
41°F
SW
2 mph
2 mph
0900
45°F
W
4 mph
4 mph
1200
48°F
W
7 mph
7 mph
1500
50°F
NW
7 mph
7 mph
1800
48°F
NW
6 mph
6 mph
2100
46°F
SW
2 mph
2 mph
