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Thunder Bay, ON — 3 hour detailed weather forecast


ON, Canada » Thunder Bay


Forecast for today, Wednesday, September 17, 2025
Detailed forecast - 3 hours intervals

05:00

Sunny
+15°
feels like: +15°
Clear
Relative humidity: 99%, pressure: 743 mm
Precipitations: 0.0 mm
Wind: 4 km/h, west
08:00

Sunny
+15°
feels like: +15°
Clear
Relative humidity: 98%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 7 km/h, northwest
11:00

Partly cloudy
+19°
feels like: +19°
Partly cloudy
Relative humidity: 83%, pressure: 745 mm
Precipitations: 0.0 mm
Wind: 11 km/h, northwest
14:00

Partly cloudy
+23°
feels like: +23°
Partly cloudy
Relative humidity: 64%, pressure: 745 mm
Precipitations: 0.0 mm
Wind: 11 km/h, northwest
17:00

Partly cloudy
+23°
feels like: +23°
Partly cloudy
Relative humidity: 64%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 11 km/h, northwest
20:00

Sunny
+20°
feels like: +20°
Clear
Relative humidity: 77%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 7 km/h, northwest
23:00

Overcast
+16°
feels like: +16°
Overcast
Relative humidity: 91%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 7 km/h, east
02:00

Overcast
+15°
feels like: +15°
Overcast
Relative humidity: 86%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 7 km/h, northeast
05:00

Overcast
+13°
feels like: +13°
Overcast
Relative humidity: 88%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 7 km/h, northeast