🇨🇦 Weather in Thunder Bay
Map Overlays:
Hourly Forecast for Thunder Bay
10:00
13°
0%
11:00
15°
0%
12:00
17°
0%
13:00
19°
0%
14:00
20°
0%
15:00
21°
0%
16:00
22°
0%
17:00
17°
0%
18:00
14°
77%
19:00
12°
100%
20:00
10°
100%
21:00
8°
62%
22:00
8°
100%
23:00
8°
60%
00:00
8°
0%
01:00
7°
70%
02:00
7°
84%
03:00
6°
66%
04:00
6°
0%
05:00
6°
0%
06:00
6°
0%
07:00
7°
71%
08:00
8°
83%
09:00
10°
84%
14-Day Forecast for Thunder Bay
2026-05-24
Patchy rain nearby
24° /
7°
2026-05-25
Moderate rain
15° /
6°
2026-05-26
Patchy rain nearby
21° /
9°
2026-05-27
Patchy rain nearby
15° /
8°
2026-05-28
Patchy rain nearby
18° /
8°
2026-05-29
Patchy rain nearby
13° /
4°
2026-05-30
Partly Cloudy
16° /
3°
Additional Forecasts for Thunder Bay
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 146.8 μg/m³
O₃ (Ozone) 69.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.8 μg/m³
SO₂ (Sulphur Dioxide) 1.4 μg/m³
PM2.5 (Fine particles) 3.9 μg/m³
PM10 (Coarse particles) 4.0 μg/m³