The long-range forecast for Thunder Bay indicates that current temperatures are within the expected ranges for this time of year, aligning closely with the historical average of 11.9 °C. This suggests typical weather patterns without significant deviations.
Select a month and click on a day for more information:
Friday
May 1
7° / 2°
Saturday
May 2
7° / 1°
Sunday
May 3
9° / 1°
Monday
May 4
7° / 1°
Tuesday
May 5
8° / 1°
Wednesday
May 6
5° / -4°
Thursday
May 7
7° / -2°
Friday
May 8
11° / -2°
Saturday
May 9
10° / 2°
Sunday
May 10
9° / 0°
Monday
May 11
9° / -2°
Tuesday
May 12
8° / 0°
Wednesday
May 13
10° / 3°
Thursday
May 14
15° / 4°
Friday
May 15
12° / 1°
Saturday
May 16
13° / 1°
Sunday
May 17
15° / 4°
Monday
May 18
21° / 11°
Tuesday
May 19
10° / 8°
Wednesday
May 20
14° / 6°
Thursday
May 21
13° / 5°
Friday
May 22
13° / 6°
Saturday
May 23
13° / 5°
Sunday
May 24
12° / 5°
Monday
May 25
16° / 6°
Tuesday
May 26
15° / 7°
Wednesday
May 27
16° / 7°
Thursday
May 28
16° / 7°
Friday
May 29
15° / 7°
Saturday
May 30
17° / 8°
Sunday
May 31
16° / 8°
Thunder Bay 30 days weather forecast
Check out our estimated 30 days weather forecast for Thunder Bay, this data is based on the average weather in Thunder Bay in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Thunder Bay next to the desired date.