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Weather in Thunder Bay, Ontario, Canada

Now
-17 °C

Light snow. Overcast.


Feels Like: -28 °C
Forecast: -8 / -21 °C
Wind: 26 km/h from North

Location: Thunder Bay
Current Time: Dec 19, 2025 at 2:45:15 am
Latest Report: Dec 19, 2025 at 2:00 am
Visibility: 5 km
Pressure: 100.28 kPa
Humidity: 65%
Dew Point: -22 °C

Upcoming 5 hours

Now 3:00 am 4:00 am 5:00 am 6:00 am 7:00 am
-17 °C -18 °C -19 °C -19 °C -19 °C -19 °C

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Forecast for the next 48 hours

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  Friday Saturday
  Night Morning Afternoon Evening Night Morning Afternoon
Forecast
Temperature -18 °C -20 °C -13 °C -12 °C -8 °C -7 °C -9 °C
Moderate snow. Overcast. Scatt­erred clouds. Scatt­erred clouds. Light snow. Overcast. Moderate snow. Overcast. Light snow. Overcast. Light snow. Cloudy.
Feels Like -31 °C -32 °C -19 °C -20 °C -16 °C -12 °C -18 °C
Wind Speed 33 km/h 24 km/h 9 km/h 16 km/h 26 km/h 13 km/h 27 km/h
Wind Direction NNW
NNW
NNW
SSE
S
SW
W
Humidity 76% 84% 64% 95% 97% 84% 67%
Dew Point -22 °C -22 °C -19 °C -13 °C -8 °C -9 °C -14 °C
Visibility 3 km 9 km 12 km 3 km 0 km 8 km 10 km
Probability of Precipitation 55% 5% 5% 22% 24% 2% 10%
Amount of Rain 0.0 mm 0.0 mm 0.0 mm 0.0 mm 0.0 mm 0.0 mm 0.0 mm
Amount of Snow 44.1 mm 0.0 mm 0.0 mm 10.0 mm 39.4 mm 4.5 mm 1.8 mm
* Updated Thursday, December 18, 2025 8:42:36 pm Thunder Bay time - Weather by CustomWeather, © 2025

14 day forecast, day-by-day Hour-by-hour forecast for next week

Yesterday's weather

Light snow. Ice fog. 3 / -17 °C
Humidity: 85%. Wind: 16 km/h from North

More weather last week

Currently at nearby stations

-22 °C

Upsala: (113 km)

Frigid.

-18 °C

Pukaskwa: (220 km)

Frigid.

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Forecast for the next 2 weeks

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Sun Mon Tue Wed Thu Fri Sat
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18

View historic weather

3

Detailed forecast for 14 days