 |
 Current Thunder Bay Weather Conditions |
Updated December 18th at 8:46 am |
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| light rain mist |
| Temperature: | 2°C |
Dew Point: | 1°C |
| Barometer: | 98.7 kPa |
Wind: | N 21 Km/h |
| Humidity: | 93.1% |
Visibility: | 0 Km |
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| Thunder Bay Weather Forecast Summary |
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Today
Dec 18th
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Friday
Dec 19th
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Saturday
Dec 20th
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Sunday
Dec 21st
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Monday
Dec 22nd
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Mix of rain and snow |
Cloudy |
Flurries |
Cloudy |
Cloudy |
2°C
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-6°C
-17°C |
-3°C
-13°C |
-9°C
-16°C |
0°C
-6°C |
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| Thunder Bay Detailed Weather Forecast |
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| Thursday, December 18th, 2025 |
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Morning |
Temperature: 1°C |
| Cloudy with a few flurries or showers. Risk of freezing rain. Windy at times. |
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Afternoon |
Temperature: -12°C |
| Cloudy with a few flurries. Wind 30 to 50 km/h. |
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Evening |
Temperature: -14°C |
| Cloudy with flurries likely. Wind 30 to 50 km/h. |
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| Friday, December 19th, 2025 |
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Overnight |
Temperature: -17°C |
| Cloudy with a chance of flurries. Wind 30 to 50 km/h. |
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Morning |
Temperature: -16°C |
| Mostly sunny. Windy at times. |
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Afternoon |
Temperature: -13°C |
| Cloudy. |
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Evening |
Temperature: -8°C |
| Cloudy with a slight chance of flurries. Windy. |
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| Saturday, December 20th, 2025 |
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Overnight |
Temperature: -4°C |
| Cloudy with flurries likely. Windy. |
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Morning |
Temperature: -6°C |
| Cloudy with sunny periods with a chance of flurries. Windy. |
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Afternoon |
Temperature: -13°C |
| A mix of cloud and sun. Windy. |
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Evening |
Temperature: -12°C |
| Cloudy. Windy. |
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| Sunday, December 21st, 2025 |
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Overnight |
Temperature: -14°C |
| Clear with cloudy periods. Windy. |
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Morning |
Temperature: -15°C |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: -13°C |
| Sunny with cloudy periods. |
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Evening |
Temperature: -10°C |
| Cloudy. Windy at times. |
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| Monday, December 22nd, 2025 |
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Overnight |
Temperature: -5°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: -2°C |
| Cloudy. Windy. |
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Afternoon |
Temperature: -1°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: -2°C |
| Cloudy. Windy at times. |
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| Tuesday, December 23rd, 2025 |
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Overnight |
Temperature: -4°C |
| A mix of cloudy and clear skies. Windy at times. |
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Morning |
Temperature: -9°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: -12°C |
| Mostly sunny. |
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Evening |
Temperature: -15°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: -2°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 0°C |
| Cloudy. |
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Evening |
Temperature: -3°C |
| Cloudy. Windy at times. |
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| Thursday, December 25th, 2025 |
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Overnight |
Temperature: -9°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: -10°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: -9°C |
| Cloudy with a chance of flurries. Windy at times. |
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Evening |
Temperature: -10°C |
| Cloudy with a chance of flurries. Windy at times. |
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| Friday, December 26th, 2025 |
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Overnight |
Temperature: -11°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: -12°C |
| Sunny. Windy at times. |
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Afternoon |
Temperature: -13°C |
| Sunny. Windy at times. |
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Evening |
Temperature: -17°C |
| Clear. |
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