 |
 Current Thunder Bay Weather Conditions |
Updated December 20th at 2:00 pm |
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| drifting snow light snow |
| Temperature: | -12°C |
Dew Point: | -18°C |
| Barometer: | 99.6 kPa |
Wind: | N 72 Km/h |
| Humidity: | 55.2% |
Visibility: | 0 Km |
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| Thunder Bay Weather Forecast Summary |
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Today
Dec 20th
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Sunday
Dec 21st
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Monday
Dec 22nd
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Tuesday
Dec 23rd
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Wednesday
Dec 24th
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Flurries |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
-4°C
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-10°C
-17°C |
-4°C
-13°C |
-2°C
-11°C |
0°C
-11°C |
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| Thunder Bay Detailed Weather Forecast |
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| Saturday, December 20th, 2025 |
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Afternoon |
Temperature: -11°C |
| Cloudy. Wind 30 to 50 km/h. |
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Evening |
Temperature: -13°C |
| A mix of cloudy and clear skies. Windy. |
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| Sunday, December 21st, 2025 |
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Overnight |
Temperature: -16°C |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: -15°C |
| Cloudy. |
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Afternoon |
Temperature: -11°C |
| A mix of cloud and sun. |
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Evening |
Temperature: -12°C |
| Cloudy. |
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| Monday, December 22nd, 2025 |
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Overnight |
Temperature: -12°C |
| Cloudy with clear periods. |
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Morning |
Temperature: -7°C |
| Mostly cloudy. |
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Afternoon |
Temperature: -4°C |
| Cloudy with a slight chance of flurries. Windy at times. |
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Evening |
Temperature: -5°C |
| Cloudy with a slight chance of flurries. Windy at times. |
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| Tuesday, December 23rd, 2025 |
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Overnight |
Temperature: -5°C |
| Cloudy with a chance of flurries. |
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Morning |
Temperature: -5°C |
| A mix of cloud and sun with a slight chance of flurries. |
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Afternoon |
Temperature: -4°C |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: -10°C |
| Cloudy. |
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| Wednesday, December 24th, 2025 |
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Overnight |
Temperature: -9°C |
| Cloudy. |
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Morning |
Temperature: -1°C |
| Cloudy with a chance of flurries. Windy at times. |
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Afternoon |
Temperature: -1°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: -4°C |
| A mix of clear and cloudy skies. |
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| Thursday, December 25th, 2025 |
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Overnight |
Temperature: -7°C |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: -3°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 1°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: 2°C |
| Cloudy with a chance of flurries or showers. Risk of freezing rain. Windy at times. |
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| Friday, December 26th, 2025 |
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Overnight |
Temperature: -9°C |
| Cloudy with a slight chance of flurries. Windy. |
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Morning |
Temperature: -14°C |
| Sunny. Windy at times. |
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Afternoon |
Temperature: -15°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: -17°C |
| Cloudy. |
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| Saturday, December 27th, 2025 |
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Overnight |
Temperature: -15°C |
| Cloudy. |
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Morning |
Temperature: -9°C |
| Cloudy with a chance of flurries. |
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Afternoon |
Temperature: -3°C |
| Cloudy with a chance of flurries. Windy at times. |
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Evening |
Temperature: -6°C |
| Clear with cloudy periods. Windy. |
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| Sunday, December 28th, 2025 |
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Overnight |
Temperature: -12°C |
| Clear. Wind 30 to 50 km/h. |
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Morning |
Temperature: -13°C |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: -12°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: -13°C |
| Cloudy. |
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