Past Weather in Ottawa — Graph
Ottawa Temperature Yesterday
Maximum temperature yesterday: 34 °F (at 6:05 pm)
Minimum temperature yesterday: 7 °F (at 2:00 am)
Average temperature yesterday: 21 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 45 °F (Nov 21, 2:00 pm) | 100% (Nov 19, 10:00 pm) | 30.47 "Hg (Nov 19, 10:00 pm) |
| Low | 0 °F (Dec 4, 8:00 pm) | 40% (Dec 4, 3:00 pm) | 29.55 "Hg (Nov 26, 5:19 pm) |
| Average | 28 °F | 84% | 29.97 "Hg |
| * Reported Nov 19 8:00 pm — Dec 4 8:00 pm, 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 | ||
| 8:00 pm Thu, Dec 4 |  | 0 °F | Clear. | 12 mph | ↑ | 60% | 30.34 "Hg | 15 mi |
| 7:00 pm | | 1 °F | Clear. | 7 mph | ↑ | 55% | 30.32 "Hg | 15 mi |
| 6:00 pm |  | 3 °F | Passing clouds. | 9 mph | ↑ | 50% | 30.29 "Hg | 15 mi |
| 5:00 pm | | 7 °F | Passing clouds. | 14 mph | ↑ | 43% | 30.27 "Hg | 15 mi |
| 4:00 pm |  | 7 °F | Passing clouds. | 21 mph | ↑ | 43% | 30.22 "Hg | 15 mi |
| 3:00 pm | | 10 °F | Passing clouds. | 25 mph | ↑ | 40% | 30.16 "Hg | 15 mi |
| 2:00 pm | | 12 °F | Scattered clouds. | 25 mph | ↑ | 44% | 30.09 "Hg | 15 mi |
| 1:22 pm | | 14 °F | Passing clouds. | 22 mph | ↑ | 48% | 30.06 "Hg | 15 mi |
| 1:00 pm |  | 14 °F | Partly sunny. | 22 mph | ↑ | 52% | 30.06 "Hg | 15 mi |
| 12:00 pm | | 14 °F | Passing clouds. | 18 mph | ↑ | 52% | 30.04 "Hg | 15 mi |
| 11:00 am | | 14 °F | Partly sunny. | 18 mph | ↑ | 62% | 30.04 "Hg | 15 mi |
| 10:34 am | | 14 °F | Partly sunny. | 18 mph | ↑ | 62% | 30.04 "Hg | 15 mi |
| 10:08 am |  | 14 °F | Light snow. More clouds than sun. | 17 mph | ↑ | 57% | 30.03 "Hg | 10 mi |
| 9:08 am | | 14 °F | Light snow. Overcast. | 21 mph | ↑ | 57% | 30.01 "Hg | 10 mi |
| 9:00 am |  | 14 °F | Overcast. | 21 mph | ↑ | 57% | 30.00 "Hg | 15 mi |
| 8:00 am | | 18 °F | Overcast. | 13 mph | ↑ | 58% | 29.96 "Hg | 15 mi |
| 7:00 am |  | 18 °F | Overcast. | 14 mph | ↑ | 53% | 29.94 "Hg | 15 mi |
| 6:40 am | | 18 °F | Overcast. | 13 mph | ↑ | 53% | 29.94 "Hg | 15 mi |
| 6:00 am |  | 21 °F | Light snow. Overcast. | 13 mph | ↑ | 63% | 29.92 "Hg | 15 mi |
| 5:00 am | | 21 °F | Light snow. Overcast. | 17 mph | ↑ | 58% | 29.90 "Hg | 15 mi |
| 4:00 am | | 23 °F | Light snow. Overcast. | 16 mph | ↑ | 68% | 29.87 "Hg | 15 mi |
| 3:00 am | | 25 °F | Light snow. Mostly cloudy. | 16 mph | ↑ | 69% | 29.87 "Hg | 15 mi |
| 2:00 am | | 27 °F | Light snow. Mostly cloudy. | 15 mph | ↑ | 80% | 29.85 "Hg | 10 mi |
| 1:00 am | | 30 °F | Light snow. Mostly cloudy. | 9 mph | ↑ | 86% | 29.82 "Hg | 6 mi |
| 12:00 am | | 30 °F | Light snow. Mostly cloudy. | 14 mph | ↑ | 86% | 29.82 "Hg | 3 mi |
| 11:20 pm Wed, Dec 3 | | 30 °F | Light snow. Overcast. | 14 mph | ↑ | 86% | 29.82 "Hg | 2 mi |
| 11:00 pm | | 30 °F | Light snow. Overcast. | 14 mph | ↑ | 86% | 29.82 "Hg | 3 mi |
| 10:32 pm | | 30 °F | Light snow. Ice fog. | 14 mph | ↑ | 93% | 29.82 "Hg | 1 mi |
| 10:24 pm | | 32 °F | Light snow. Dense fog. | 12 mph | ↑ | 87% | 29.82 "Hg | 1 mi |
| 10:00 pm | | 32 °F | Light snow. Overcast. | 15 mph | ↑ | 80% | 29.82 "Hg | 4 mi |
| Weather by CustomWeather, © 2025 | ||||||||