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Thunder Bay, ON — 3 hour detailed weather forecast


ON, Canada » Thunder Bay


Forecast for today, Thursday, December 18, 2025
Detailed forecast - 3 hours intervals

01:00

Light snow
+1°
feels like: +-3°
Light snow
Relative humidity: 73%, pressure: 729 mm
Precipitations: 0.1 mm
Wind: 11 km/h, southeast
04:00

Light showers
+3°
feels like: +0°
Light showers
Relative humidity: 77%, pressure: 726 mm
Precipitations: 0.5 mm
Wind: 11 km/h, east
07:00

Light showers
+3°
feels like: +0°
Light showers
Relative humidity: 78%, pressure: 723 mm
Precipitations: 0.2 mm
Wind: 7 km/h, east
10:00

Showers
+3°
feels like: +0°
Showers
Relative humidity: 87%, pressure: 723 mm
Precipitations: 1.4 mm
Wind: 7 km/h, southeast
13:00

Rain
+2°
feels like: +-1°
Rain
Relative humidity: 87%, pressure: 721 mm
Precipitations: 3.1 mm
Wind: 7 km/h, east
16:00

Snow
-5°
feels like: -13°
Snow
Relative humidity: 77%, pressure: 721 mm
Precipitations: 3.2 mm
Wind: 25 km/h, north
19:00

Snow
-10°
feels like: -19°
Snow
Relative humidity: 72%, pressure: 724 mm
Precipitations: 1.9 mm
Wind: 22 km/h, north
22:00

Snow
-15°
feels like: -25°
Snow
Relative humidity: 73%, pressure: 727 mm
Precipitations: 3.5 mm
Wind: 22 km/h, north
01:00

Snow
-16°
feels like: -26°
Snow
Relative humidity: 69%, pressure: 730 mm
Precipitations: 2.5 mm
Wind: 22 km/h, north
04:00

Snow
-17°
feels like: -28°
Snow
Relative humidity: 66%, pressure: 733 mm
Precipitations: 0.9 mm
Wind: 25 km/h, northwest