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Thunder Bay, ON — 3 hour detailed weather forecast


ON, Canada » Thunder Bay


Forecast for today, Monday, May 4, 2026
Detailed forecast - 3 hours intervals

23:00

Overcast
+8°
feels like: +6°
Overcast
Relative humidity: 55%, pressure: 729 mm
Precipitations: 0.0 mm
Wind: 7 km/h, southwest
02:00

Overcast
+9°
feels like: +7°
Overcast
Relative humidity: 62%, pressure: 726 mm
Precipitations: 0.0 mm
Wind: 11 km/h, southwest
05:00

Showers
+8°
feels like: +6°
Showers
Relative humidity: 81%, pressure: 724 mm
Precipitations: 4.2 mm
Wind: 14 km/h, southwest
08:00

Light showers
+9°
feels like: +7°
Light showers
Relative humidity: 82%, pressure: 723 mm
Precipitations: 2.1 mm
Wind: 18 km/h, west
11:00

Overcast
+11°
feels like: +11°
Overcast
Relative humidity: 66%, pressure: 723 mm
Precipitations: 0.1 mm
Wind: 22 km/h, west
14:00

Overcast
+10°
feels like: +10°
Overcast
Relative humidity: 50%, pressure: 724 mm
Precipitations: 0.0 mm
Wind: 29 km/h, west
17:00

Overcast
+11°
feels like: +11°
Overcast
Relative humidity: 42%, pressure: 726 mm
Precipitations: 0.0 mm
Wind: 32 km/h, west
20:00

Mainly sunny
+8°
feels like: +4°
Mainly sunny
Relative humidity: 50%, pressure: 727 mm
Precipitations: 0.0 mm
Wind: 29 km/h, west
23:00

A mix of sun and cloud
+4°
feels like: +-1°
A mix of sun and cloud
Relative humidity: 64%, pressure: 729 mm
Precipitations: 0.0 mm
Wind: 22 km/h, west
02:00

Overcast
+2°
feels like: +-3°
Overcast
Relative humidity: 65%, pressure: 731 mm
Precipitations: 0.1 mm
Wind: 18 km/h, northwest