Past Weather in Thunder Bay — Graph
Thunder Bay Temperature Yesterday
Maximum temperature yesterday: 16 °F (at 4:00 pm)
Minimum temperature yesterday: 5 °F (at 10:00 am)
Average temperature yesterday: 11 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 52 °F (Mar 8, 5:00 pm) | 100% (Mar 6, 3:00 am) | 30.46 "Hg (Mar 6, 3:00 am) |
| Low | -8 °F (Mar 2, 1:00 am) | 25% (Mar 14, 5:00 pm) | 29.20 "Hg (Mar 9, 6:00 am) |
| Average | 24 °F | 72% | 29.97 "Hg |
| * Reported Mar 2 1:00 am — Mar 17 2:00 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 | ||
| 2:00 am Tue, Mar 17 |  | 3 °F | Passing clouds. | 7 mph | ↑ | 46% | 30.04 "Hg | 15 mi |
| 1:00 am | | 7 °F | Passing clouds. | 6 mph | ↑ | 39% | 30.03 "Hg | 15 mi |
| 12:00 am | | 9 °F | Passing clouds. | 9 mph | ↑ | 39% | 30.02 "Hg | 15 mi |
| 11:00 pm Mon, Mar 16 | | 10 °F | Passing clouds. | 10 mph | ↑ | 36% | 30.03 "Hg | 15 mi |
| 10:00 pm | | 10 °F | Passing clouds. | 12 mph | ↑ | 36% | 30.03 "Hg | 15 mi |
| 9:00 pm | | 12 °F | Passing clouds. | 14 mph | ↑ | 34% | 30.03 "Hg | 15 mi |
| 8:00 pm |  | 14 °F | Passing clouds. | 16 mph | ↑ | 31% | 30.01 "Hg | 20 mi |
| 7:00 pm | | 16 °F | Scattered clouds. | 13 mph | ↑ | 29% | 30.00 "Hg | 20 mi |
| 6:00 pm | | 16 °F | Scattered clouds. | 17 mph | ↑ | 29% | 29.99 "Hg | 20 mi |
| 5:00 pm |  | 16 °F | Partly sunny. | 15 mph | ↑ | 29% | 29.98 "Hg | 20 mi |
| 4:00 pm | | 16 °F | Partly sunny. | 18 mph | ↑ | 29% | 29.96 "Hg | 20 mi |
| 3:00 pm | | 12 °F | Partly sunny. | 17 mph | ↑ | 31% | 29.96 "Hg | 20 mi |
| 2:00 pm | | 12 °F | Broken clouds. | 14 mph | ↑ | 31% | 29.98 "Hg | 20 mi |
| 1:00 pm | | 9 °F | Partly sunny. | 17 mph | ↑ | 36% | 30.01 "Hg | 20 mi |
| 12:00 pm | | 9 °F | Partly sunny. | 15 mph | ↑ | 36% | 30.01 "Hg | 15 mi |
| 11:00 am |  | 7 °F | Overcast. | 13 mph | ↑ | 39% | 30.02 "Hg | 20 mi |
| 10:00 am | | 5 °F | Partly sunny. | 14 mph | ↑ | 42% | 30.02 "Hg | 15 mi |
| 9:00 am | | 7 °F | Partly sunny. | 13 mph | ↑ | 43% | 30.03 "Hg | 20 mi |
| 8:00 am | | 7 °F | Passing clouds. | 12 mph | ↑ | 43% | 30.01 "Hg | 20 mi |
| 7:00 am | | 7 °F | Passing clouds. | 12 mph | ↑ | 47% | 30.03 "Hg | 15 mi |
| 6:00 am | | 7 °F | Passing clouds. | 9 mph | ↑ | 51% | 30.01 "Hg | 15 mi |
| 5:00 am | | 9 °F | Passing clouds. | 9 mph | ↑ | 51% | 30.03 "Hg | 15 mi |
| 4:00 am | | 10 °F | Passing clouds. | 8 mph | ↑ | 47% | 30.06 "Hg | 15 mi |
| 3:00 am | | 10 °F | Passing clouds. | 7 mph | ↑ | 52% | 30.09 "Hg | 15 mi |
| 2:00 am | | 10 °F | Passing clouds. | 3 mph | ↑ | 56% | 30.10 "Hg | 15 mi |
| Weather by CustomWeather, © 2026 | ||||||||