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Thunder Bay, ON — 3 hour detailed weather forecast


ON, Canada » Thunder Bay


Forecast for today, Monday, May 18, 2026
Detailed forecast - 3 hours intervals

02:00

Overcast
+8°
feels like: +6°
Overcast
Relative humidity: 61%, pressure: 739 mm
Precipitations: 0.0 mm
Wind: 11 km/h, east
05:00

Showers
+7°
feels like: +4°
Showers
Relative humidity: 92%, pressure: 737 mm
Precipitations: 1.5 mm
Wind: 14 km/h, east
08:00

Showers
+8°
feels like: +6°
Showers
Relative humidity: 93%, pressure: 737 mm
Precipitations: 1.5 mm
Wind: 11 km/h, east
11:00

Showers
+10°
feels like: +7°
Showers
Relative humidity: 85%, pressure: 737 mm
Precipitations: 1.1 mm
Wind: 14 km/h, northeast
14:00

Light showers
+14°
feels like: +14°
Light showers
Relative humidity: 65%, pressure: 738 mm
Precipitations: 0.1 mm
Wind: 14 km/h, northeast
17:00

Overcast
+15°
feels like: +15°
Overcast
Relative humidity: 63%, pressure: 739 mm
Precipitations: 0.0 mm
Wind: 18 km/h, northeast
20:00

Overcast
+12°
feels like: +12°
Overcast
Relative humidity: 58%, pressure: 739 mm
Precipitations: 0.0 mm
Wind: 18 km/h, north
23:00

Overcast
+9°
feels like: +6°
Overcast
Relative humidity: 64%, pressure: 740 mm
Precipitations: 0.0 mm
Wind: 14 km/h, north
02:00

Rain
+6°
feels like: +4°
Rain
Relative humidity: 84%, pressure: 738 mm
Precipitations: 10.3 mm
Wind: 11 km/h, north