 |
 Current Thunder Bay Weather Conditions |
Updated September 18th at 7:00 am |
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| Overcast |
| Temperature: | 57°F |
Dew Point: | 54°F |
| Barometer: | 30.18 inHg |
Wind: | N 6 Mph |
| Humidity: | 87.7% |
Visibility: | 0M |
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| Thunder Bay Weather Forecast Summary |
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Today
Sep 18th
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Friday
Sep 19th
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Saturday
Sep 20th
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Sunday
Sep 21st
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Monday
Sep 22nd
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Mix of Cloud and Sun |
Mix of Cloud and Sun |
Cloudy |
Cloudy |
Cloudy |
63°F
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57°F
48°F |
58°F
53°F |
59°F
55°F |
61°F
54°F |
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| Thunder Bay Detailed Weather Forecast |
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| Thursday, September 18th, 2025 |
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Morning |
Temperature: 60°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 59°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 52°F |
| A mix of cloudy and clear skies. |
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| Friday, September 19th, 2025 |
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Overnight |
Temperature: 49°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 56°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 54°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 53°F |
| A mix of cloudy and clear skies. Windy at times. |
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| Saturday, September 20th, 2025 |
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Overnight |
Temperature: 53°F |
| Clear. Windy at times. |
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Morning |
Temperature: 57°F |
| Cloudy with sunny periods. Windy at times. |
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Afternoon |
Temperature: 54°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 55°F |
| Cloudy. |
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| Sunday, September 21st, 2025 |
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Overnight |
Temperature: 55°F |
| Cloudy. |
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Morning |
Temperature: 58°F |
| Cloudy with a slight chance of showers. |
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Afternoon |
Temperature: 58°F |
| Mostly cloudy with a chance of showers. |
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Evening |
Temperature: 57°F |
| Cloudy with a chance of showers. |
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| Monday, September 22nd, 2025 |
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Overnight |
Temperature: 56°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 60°F |
| Cloudy. |
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Afternoon |
Temperature: 59°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 55°F |
| Clear with cloudy periods. |
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| Tuesday, September 23rd, 2025 |
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Overnight |
Temperature: 56°F |
| Cloudy. |
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Morning |
Temperature: 64°F |
| Mostly sunny. |
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Afternoon |
Temperature: 62°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 58°F |
| Clear with cloudy periods. |
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| Wednesday, September 24th, 2025 |
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Overnight |
Temperature: 54°F |
| Clear. |
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Morning |
Temperature: 63°F |
| Sunny. |
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Afternoon |
Temperature: 61°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 56°F |
| Clear. |
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| Thursday, September 25th, 2025 |
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Overnight |
Temperature: 57°F |
| Cloudy. |
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Morning |
Temperature: 61°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 58°F |
| Cloudy with showers likely. |
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Evening |
Temperature: 58°F |
| Mostly cloudy with a chance of showers. |
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| Friday, September 26th, 2025 |
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Overnight |
Temperature: 58°F |
| Cloudy with showers likely. |
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Morning |
Temperature: 58°F |
| Cloudy with a few showers. |
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Afternoon |
Temperature: 58°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 55°F |
| Clear with cloudy periods. |
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