Currently: -8 °F. Passing clouds. (Weather station: Ottawa Int'L. Ont., Canada). See more current weatherPast Weather in Ottawa — Graph
Ottawa Temperature Yesterday
Maximum temperature yesterday: 12 °F (at 12:00 am)
Minimum temperature yesterday: -4 °F (at 8:00 am)
Average temperature yesterday: 4 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 43 °F (Nov 25, 12:00 pm) | 100% (Nov 26, 12:05 am) | 30.47 "Hg (Nov 26, 12:05 am) |
| Low | -8 °F (Dec 9, 4:00 am) | 40% (Dec 4, 3:00 pm) | 29.55 "Hg (Nov 26, 5:19 pm) |
| Average | 23 °F | 79% | 29.99 "Hg |
| * Reported Nov 24 6:00 am — Dec 9 6:00 am, Ottawa. 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
Ottawa Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 6:00 am Tue, Dec 9 |  | -8 °F | Passing clouds. | 3 mph | ↑ | 84% | 30.22 "Hg | 15 mi |
| 5:00 am | | -6 °F | Passing clouds. | No wind | ↑ | 84% | 30.22 "Hg | 15 mi |
| 4:00 am | | -8 °F | Passing clouds. | 2 mph | ↑ | 84% | 30.24 "Hg | 15 mi |
| 3:00 am | | -6 °F | Passing clouds. | 2 mph | ↑ | 84% | 30.26 "Hg | 15 mi |
| 2:00 am | | -4 °F | Passing clouds. | No wind | ↑ | 84% | 30.26 "Hg | 15 mi |
| 1:00 am | | -4 °F | Passing clouds. | No wind | ↑ | 84% | 30.28 "Hg | 15 mi |
| 12:00 am | | -6 °F | Passing clouds. | 2 mph | ↑ | 84% | 30.29 "Hg | 15 mi |
| 11:00 pm Mon, Dec 8 |  | -4 °F | Clear. | 2 mph | ↑ | 84% | 30.31 "Hg | 15 mi |
| 10:00 pm | | -4 °F | Passing clouds. | No wind | ↑ | 84% | 30.31 "Hg | 15 mi |
| 9:00 pm | | 1 °F | Passing clouds. | 3 mph | ↑ | 71% | 30.33 "Hg | 15 mi |
| 8:00 pm | | 3 °F | Passing clouds. | 3 mph | ↑ | 72% | 30.34 "Hg | 15 mi |
| 7:00 pm | | 0 °F | Passing clouds. | 6 mph | ↑ | 78% | 30.34 "Hg | 15 mi |
| 6:00 pm | | 5 °F | Passing clouds. | 6 mph | ↑ | 66% | 30.34 "Hg | 15 mi |
| 5:00 pm | | 5 °F | Passing clouds. | 6 mph | ↑ | 66% | 30.34 "Hg | 15 mi |
| 4:00 pm | | 7 °F | Passing clouds. | 7 mph | ↑ | 61% | 30.34 "Hg | 15 mi |
| 3:00 pm | | 9 °F | Passing clouds. | 9 mph | ↑ | 61% | 30.33 "Hg | 15 mi |
| 2:00 pm | | 9 °F | Passing clouds. | 14 mph | ↑ | 61% | 30.34 "Hg | 15 mi |
| 1:00 pm | | 7 °F | Passing clouds. | 6 mph | ↑ | 66% | 30.35 "Hg | 15 mi |
| 12:00 pm | | 7 °F | Scattered clouds. | 7 mph | ↑ | 66% | 30.37 "Hg | 15 mi |
| 11:00 am |  | 5 °F | Partly sunny. | 9 mph | ↑ | 72% | 30.40 "Hg | 15 mi |
| 10:00 am | | 3 °F | Scattered clouds. | 6 mph | ↑ | 72% | 30.40 "Hg | 15 mi |
| 9:00 am | | 1 °F | Passing clouds. | 2 mph | ↑ | 71% | 30.39 "Hg | 15 mi |
| 8:00 am | | -4 °F | Passing clouds. | 5 mph | ↑ | 77% | 30.37 "Hg | 15 mi |
| 7:00 am | | -2 °F | Passing clouds. | 7 mph | ↑ | 71% | 30.36 "Hg | 15 mi |
| Weather by CustomWeather, © 2025 | ||||||||