Northwestern Ontario Weather

Official weather conditions from Environment Canada.

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Current conditions

Thunder Bay

City of Thunder Bay

Partly Cloudy

Partly Cloudy
12.4°C

Updated: 2026-10-20T18:00:00Z

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Wind

14 km/h, gust 30 km/h

Humidity

61%

Pressure

102.8 kPa falling

Visibility

N/A

Forecast periods

Next forecast blocks

Today

Sunny. High 13. UV index 3 or moderate.

Temp: High 13.

Wind: SE, 10 km/h

Tonight

Clear. Increasing cloudiness after midnight. Low 7.

Temp: Low 7.

Wind: SE, 10 km/h

Wednesday

Mainly cloudy. Clearing near noon. High 15. UV index 2 or low.

Temp: High 15.

Wind: VR, 5 km/h

Wednesday night

Clear. Low plus 2.

Temp: Low plus 2.

Thursday

Sunny. High 14.

Temp: High 14.

Thursday night

Clear. Low 7.

Temp: Low 7.