Past Weather in Thunder Bay — Graph
Thunder Bay Temperature Yesterday
Maximum temperature yesterday: 23 °F (at 2:00 pm)
Minimum temperature yesterday: 12 °F (at 6:00 am)
Average temperature yesterday: 18 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 52 °F (Nov 24, 2:00 pm) | 100% (Nov 22, 12:00 pm) | 30.49 "Hg (Nov 22, 12:00 pm) |
| Low | -6 °F (Dec 4, 7:00 am) | 37% (Dec 4, 2:00 pm) | 29.60 "Hg (Dec 5, 5:00 pm) |
| Average | 22 °F | 73% | 30.01 "Hg |
| * Reported Nov 21 2:00 am — Dec 6 2:00 am, Thunder Bay. Weather by CustomWeather, © 2025 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Thunder Bay Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 2:00 am Sat, Dec 6 |  | 9 °F | Passing clouds. | 6 mph | ↑ | 61% | 29.70 "Hg | 15 mi |
| 1:00 am | | 10 °F | Passing clouds. | 8 mph | ↑ | 56% | 29.69 "Hg | 15 mi |
| 12:00 am |  | 14 °F | Light snow. Overcast. | 12 mph | ↑ | 67% | 29.67 "Hg | 15 mi |
| 11:46 pm Fri, Dec 5 | | 14 °F | Light snow. Overcast. | 9 mph | ↑ | 73% | 29.67 "Hg | 5 mi |
| 11:00 pm | | 14 °F | Passing clouds. | 15 mph | ↑ | 62% | 29.65 "Hg | 15 mi |
| 10:00 pm |  | 18 °F | Overcast. | 8 mph | ↑ | 73% | 29.63 "Hg | 15 mi |
| 9:00 pm | | 16 °F | Light snow. Overcast. | 7 mph | ↑ | 73% | 29.64 "Hg | 15 mi |
| 8:00 pm | | 18 °F | Light snow. Overcast. | 9 mph | ↑ | 68% | 29.64 "Hg | 15 mi |
| 7:00 pm | | 19 °F | Light snow. Overcast. | 20 mph | ↑ | 73% | 29.62 "Hg | 15 mi |
| 6:00 pm | | 21 °F | Light snow. Overcast. | 9 mph | ↑ | 80% | 29.60 "Hg | 15 mi |
| 5:00 pm |  | 21 °F | Light snow. Overcast. | 8 mph | ↑ | 74% | 29.60 "Hg | 15 mi |
| 4:00 pm | | 23 °F | Light snow. Overcast. | 10 mph | ↑ | 68% | 29.61 "Hg | 20 mi |
| 3:00 pm | | 23 °F | Light snow. Overcast. | 13 mph | ↑ | 68% | 29.62 "Hg | 20 mi |
| 2:00 pm | | 23 °F | Light snow. Overcast. | 7 mph | ↑ | 68% | 29.65 "Hg | 8 mi |
| 1:00 pm | | 21 °F | Light snow. Overcast. | 9 mph | ↑ | 74% | 29.68 "Hg | 5 mi |
| 12:00 pm | | 19 °F | Light snow. Overcast. | 7 mph | ↑ | 79% | 29.70 "Hg | 4 mi |
| 11:00 am | | 19 °F | Light snow. Overcast. | 5 mph | ↑ | 79% | 29.73 "Hg | 5 mi |
| 10:00 am | | 18 °F | Light snow. Overcast. | 5 mph | ↑ | 79% | 29.73 "Hg | 5 mi |
| 9:00 am | | 16 °F | Light snow. Overcast. | 3 mph | ↑ | 79% | 29.73 "Hg | 8 mi |
| 8:00 am | | 16 °F | Light snow. Overcast. | 6 mph | ↑ | 79% | 29.73 "Hg | 15 mi |
| 7:00 am | | 14 °F | Overcast. | 6 mph | ↑ | 79% | 29.72 "Hg | 15 mi |
| 6:00 am | | 12 °F | Passing clouds. | 6 mph | ↑ | 79% | 29.72 "Hg | 15 mi |
| 5:23 am | | 14 °F | Overcast. | 7 mph | ↑ | 73% | 29.72 "Hg | 15 mi |
| 4:00 am | | 16 °F | Light snow. Overcast. | 9 mph | ↑ | 73% | 29.73 "Hg | 15 mi |
| 3:00 am | | 16 °F | Mostly cloudy. | 10 mph | ↑ | 67% | 29.72 "Hg | 15 mi |
| Weather by CustomWeather, © 2025 | ||||||||