Thunder Bay WeatherTuesday, September 22, 2026

Today
Sep 22
15.2°aft. high
12a
1a
2a
3a 1.4°
4a 1.2°
5a 1.1°
6a
7a 0.9°
8a 3.4°
9a 6.6°
10a 10.5°
11a 12.9°
12p 13.9°
1p 14.6°
2p 15°
3p 15.2°
4p 14.8°
5p 14.3°
6p 13.2°
7p 11.6°
8p 10.6°
9p 10.1°
10p 9.6°
11p 9.3°
Wednesday
Sep 23
16.5°aft. high
12a 9.2°
1a 8.9°
2a 8.3°
3a 7.6°
4a 5.9°
5a 4.3°
6a 3.8°
7a
8a 4.9°
9a 7.6°
10a 12°
11a 15.3°
12p 15.8°
1p 16.4°
2p 16.5°
3p 16.5°
4p 16.2°
5p 15.2°
6p 14.4°
7p 12.7°
8p 11.9°
9p 11.3°
10p 10.9°
11p 10.7°
Thursday
Sep 24
14.5°aft. high
12a 10.5°
1a 10.1°
2a 9.6°
3a 9.1°
4a 8.8°
5a 8.7°
6a 8.9°
7a 9.1°
8a 10.4°
9a 11.9°
10a 13.3°
11a 13.9°
12p 14.4°
1p 14.5°
2p 14.4° 5%
3p 14.3° 5%
4p 13.8° 5%
5p 12.3° 5%
6p 11.7° 5%
7p 11.6° 5%
8p 11.6° 9%
9p 11.7° 9%
10p 11.8° 9%
11p 12° 9%
Friday
Sep 25
20.5°aft. high
12a 12.2° 9%
1a 12.4° 9%
2a 12.1°
3a 12.7°
4a 12.8°
5a 12.9°
6a 12.1°
7a 12.9°
8a 13.3°
9a 14°
10a 14.8°
11a 15.9°
12p 17.4°
1p 18.7°
2p 20.5°
3p 20.3°
4p 19.6°
5p 18.7°
6p 16.2°
7p 13.4°
8p 12.8°
9p 12.4°
10p 12.2°
11p 12.2°
Saturday
Sep 26
18.4°aft. high
12a 12.3°
1a 12.2°
2a 12.2° 1%
3a 12° 1%
4a 11.7° 1%
5a 11.5° 1%
6a 11.8° 1%
7a 11.7° 1%
8a 12.8° 3%
9a 14.4° 3%
10a 15.8° 3%
11a 16.9° 3%
12p 17.6° 3%
1p 17.9° 3%
2p 17.8° 11%
3p 18.4° 11%
4p 16.3° 11%
5p 15.1° 11%
6p 14.4° 11%
7p 13.8° 11%
8p 13.7° 17%
9p 13.8° 17%
10p 13.8° 17%
11p 13.7° 17%
Sunday
Sep 27
16.3°aft. high
12a 13.4° 17%
1a 13.3° 17%
2a 13.5° 14%
3a 13.7° 14%
4a 13.8° 14%
5a 13.7° 14%
6a 13.4° 14%
7a 13.4° 14%
8a 13.9° 10%
9a 14.6° 10%
10a 15.2° 10%
11a 15.6° 10%
12p 15.8° 10%
1p 15.9° 10%
2p 16.1° 7%
3p 16.3° 7%
4p 16.2° 7%
5p 15.8° 7%
6p 15.2° 7%
7p 14.7° 7%
8p 14.6° 4%
9p 14.7° 4%
10p 14.8° 4%
11p 15.2° 4%
Monday
Sep 28
18.7°aft. high
12a 15.6° 4%
1a 15.5° 4%
2a 14.3° 7%
3a 12.6° 7%
4a 11.2° 7%
5a 10.4° 7%
6a 9.9° 7%
7a 10.2° 7%
8a 11.8° 5%
9a 14.2° 5%
10a 16.1° 5%
11a 17.1° 5%
12p 17.7° 5%
1p 18° 5%
2p 18.5° 9%
3p 18.7° 9%
4p 18.3° 9%
5p 16.7° 9%
6p 14.3° 9%
7p 12.6° 9%
8p 12.2° 19%
9p 12.5° 19%
10p 12.7° 19%
11p 12.9° 19%