Past Weather in Thunder Bay — Graph
Thunder Bay Temperature Yesterday
Maximum temperature yesterday: 1 °F (at 3:00 pm)
Minimum temperature yesterday: -13 °F (at 2:00 am)
Average temperature yesterday: -6 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 37 °F (Jan 13, 2:00 pm) | 100% (Jan 7, 6:00 pm) | 30.29 "Hg (Jan 7, 6:00 pm) |
| Low | -13 °F (Jan 15, 6:00 am) | 50% (Jan 20, 3:00 pm) | 29.23 "Hg (Jan 13, 2:00 pm) |
| Average | 16 °F | 81% | 29.83 "Hg |
| * Reported Jan 6 7:00 am — Jan 21 7:00 am, Thunder Bay. Weather by CustomWeather, © 2026 | |||
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 | ||
| 7:00 am Wed, Jan 21 |  | -11 °F | Passing clouds. | 2 mph | ↑ | 84% | 29.86 "Hg | 15 mi |
| 6:23 am |  | -8 °F | Partly cloudy. | 2 mph | ↑ | 84% | 29.88 "Hg | 15 mi |
| 6:00 am | | -6 °F | Passing clouds. | 2 mph | ↑ | 77% | 29.89 "Hg | 10 mi |
| 5:00 am |  | -6 °F | Light snow. Overcast. | 2 mph | ↑ | 77% | 29.92 "Hg | 4 mi |
| 4:00 am | | -6 °F | Light snow. Overcast. | 2 mph | ↑ | 77% | 29.95 "Hg | 2 mi |
| 3:38 am | | -8 °F | Light snow. Overcast. | 2 mph | ↑ | 77% | 29.96 "Hg | 2 mi |
| 3:10 am | | -9 °F | Light snow. Passing clouds. | 2 mph | ↑ | 77% | 29.97 "Hg | 5 mi |
| 3:00 am | | -9 °F | Passing clouds. | 2 mph | ↑ | 77% | 29.98 "Hg | 15 mi |
| 2:00 am | | -13 °F | Passing clouds. | 3 mph | ↑ | 76% | 29.99 "Hg | 15 mi |
| 1:00 am | | -13 °F | Passing clouds. | 6 mph | ↑ | 76% | 30.01 "Hg | 15 mi |
| 12:00 am | | -13 °F | Passing clouds. | 5 mph | ↑ | 76% | 30.03 "Hg | 15 mi |
| 11:00 pm Tue, Jan 20 | | -11 °F | Passing clouds. | 3 mph | ↑ | 76% | 30.03 "Hg | 15 mi |
| 10:00 pm | | -8 °F | Partly cloudy. | 3 mph | ↑ | 77% | 30.04 "Hg | 15 mi |
| 9:00 pm | | -2 °F | Partly cloudy. | 6 mph | ↑ | 65% | 30.05 "Hg | 15 mi |
| 8:00 pm | | 0 °F | Passing clouds. | 7 mph | ↑ | 65% | 30.05 "Hg | 15 mi |
| 7:00 pm |  | 1 °F | Mostly cloudy. | 10 mph | ↑ | 60% | 30.04 "Hg | 15 mi |
| 6:00 pm | | 1 °F | Mostly cloudy. | 8 mph | ↑ | 60% | 30.04 "Hg | 20 mi |
| 5:00 pm |  | 1 °F | Partly sunny. | 12 mph | ↑ | 55% | 30.05 "Hg | 20 mi |
| 4:00 pm | | 1 °F | Partly sunny. | 15 mph | ↑ | 55% | 30.05 "Hg | 20 mi |
| 3:00 pm | | 1 °F | Partly sunny. | 13 mph | ↑ | 50% | 30.06 "Hg | 20 mi |
| 2:00 pm |  | 0 °F | Scattered clouds. | 13 mph | ↑ | 54% | 30.07 "Hg | 20 mi |
| 1:00 pm | | -2 °F | Partly sunny. | 16 mph | ↑ | 54% | 30.08 "Hg | 20 mi |
| 12:00 pm | | -4 °F | Scattered clouds. | 14 mph | ↑ | 59% | 30.10 "Hg | 20 mi |
| 11:00 am | | -6 °F | Passing clouds. | 14 mph | ↑ | 59% | 30.10 "Hg | 20 mi |
| 10:00 am | | -9 °F | Passing clouds. | 9 mph | ↑ | 64% | 30.11 "Hg | 20 mi |
| 9:00 am | | -11 °F | Broken clouds. | 8 mph | ↑ | 70% | 30.10 "Hg | 20 mi |
| 8:00 am | | -11 °F | Passing clouds. | 9 mph | ↑ | 70% | 30.09 "Hg | 15 mi |
| Weather by CustomWeather, © 2026 | ||||||||