Currently: 23 °F. Partly cloudy. (Weather station: Ottawa Int'L. Ont., Canada). See more current weatherPast Weather in Ottawa — Graph
Ottawa Temperature Yesterday
Maximum temperature yesterday: 18 °F (at 11:00 pm)
Minimum temperature yesterday: -6 °F (at 2:00 am)
Average temperature yesterday: 7 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 45 °F (Nov 21, 2:00 pm) | 100% (Nov 21, 2:00 am) | 30.47 "Hg (Nov 21, 2:00 am) |
| Low | -6 °F (Dec 5, 2:00 am) | 40% (Dec 4, 3:00 pm) | 29.55 "Hg (Nov 26, 5:19 pm) |
| Average | 27 °F | 82% | 29.96 "Hg |
| * Reported Nov 21 1:00 am — Dec 6 1:00 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 | ||
| 1:00 am Sat, Dec 6 | | 19 °F | Partly cloudy. | 5 mph | ↑ | 73% | 29.84 "Hg | 15 mi |
| 12:00 am | | 16 °F | Partly cloudy. | 6 mph | ↑ | 79% | 29.86 "Hg | 15 mi |
| 11:00 pm Fri, Dec 5 |  | 18 °F | Overcast. | 7 mph | ↑ | 73% | 29.89 "Hg | 15 mi |
| 10:00 pm | | 16 °F | Overcast. | 6 mph | ↑ | 73% | 29.92 "Hg | 15 mi |
| 9:00 pm | | 16 °F | Overcast. | 5 mph | ↑ | 73% | 29.94 "Hg | 12 mi |
| 8:00 pm | | 14 °F | Overcast. | 6 mph | ↑ | 73% | 29.96 "Hg | 12 mi |
| 7:00 pm | | 14 °F | Overcast. | 6 mph | ↑ | 73% | 29.97 "Hg | 10 mi |
| 6:00 pm | | 14 °F | Overcast. | 7 mph | ↑ | 73% | 29.99 "Hg | 15 mi |
| 5:00 pm | | 14 °F | Overcast. | 6 mph | ↑ | 67% | 30.00 "Hg | 15 mi |
| 4:00 pm |  | 12 °F | More clouds than sun. | 6 mph | ↑ | 73% | 30.02 "Hg | 15 mi |
| 3:00 pm | | 12 °F | More clouds than sun. | 8 mph | ↑ | 73% | 30.04 "Hg | 15 mi |
| 2:00 pm |  | 12 °F | Overcast. | 9 mph | ↑ | 73% | 30.06 "Hg | 12 mi |
| 1:00 pm | | 14 °F | Overcast. | 7 mph | ↑ | 67% | 30.07 "Hg | 12 mi |
| 12:00 pm | | 12 °F | Overcast. | 6 mph | ↑ | 67% | 30.12 "Hg | 12 mi |
| 11:13 am |  | 12 °F | Light snow. Overcast. | 8 mph | ↑ | 67% | 30.15 "Hg | 10 mi |
| 11:00 am | | 12 °F | Overcast. | 8 mph | ↑ | 62% | 30.16 "Hg | 15 mi |
| 10:00 am | | 7 °F | Mostly cloudy. | 5 mph | ↑ | 66% | 30.19 "Hg | 15 mi |
| 9:00 am | | 1 °F | Broken clouds. | 6 mph | ↑ | 71% | 30.22 "Hg | 15 mi |
| 8:00 am | | -2 °F | Partly sunny. | 3 mph | ↑ | 71% | 30.24 "Hg | 15 mi |
| 7:00 am |  | -4 °F | Passing clouds. | 6 mph | ↑ | 77% | 30.25 "Hg | 15 mi |
| 6:00 am | | -4 °F | Passing clouds. | 6 mph | ↑ | 71% | 30.27 "Hg | 15 mi |
| 5:00 am | | -4 °F | Passing clouds. | 3 mph | ↑ | 71% | 30.28 "Hg | 15 mi |
| 4:00 am |  | -6 °F | Clear. | 6 mph | ↑ | 70% | 30.28 "Hg | 15 mi |
| 3:00 am | | -4 °F | Clear. | 5 mph | ↑ | 65% | 30.29 "Hg | 15 mi |
| 2:00 am | | -6 °F | Clear. | 5 mph | ↑ | 70% | 30.32 "Hg | 15 mi |
| Weather by CustomWeather, © 2025 | ||||||||