Past Weather in Ontario — Graph
Ontario Temperature Yesterday
Maximum temperature yesterday: 38 °F (at 2:53 pm)
Minimum temperature yesterday: 34 °F (at 2:03 am)
Average temperature yesterday: 36 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 53 °F (Nov 21, 3:53 pm) | 100% (Nov 22, 12:53 am) | 30.51 "Hg (Nov 22, 12:53 am) |
| Low | 21 °F (Dec 1, 5:53 am) | 35% (Nov 24, 2:53 pm) | 29.86 "Hg (Dec 5, 10:32 pm) |
| Average | 36 °F | 84% | 30.26 "Hg |
| * Reported Nov 21 12:53 am — Dec 6 12:58 am, Ontario. 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
Ontario Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:58 am Sat, Dec 6 |  | 36 °F | Fog. | No wind | ↑ | 97% | 29.90 "Hg | 3 mi |
| 12:04 am | | 36 °F | Fog. | 3 mph | ↑ | 97% | 29.88 "Hg | 3 mi |
| 10:53 pm Fri, Dec 5 | | 37 °F | Fog. | 3 mph | ↑ | 96% | 29.91 "Hg | 4 mi |
| 10:32 pm | | 37 °F | Fog. | 3 mph | ↑ | 96% | 29.86 "Hg | 2 mi |
| 9:53 pm | | 37 °F | Fog. | 5 mph | ↑ | 96% | 29.92 "Hg | 4 mi |
| 9:23 pm | | 37 °F | Fog. | 5 mph | ↑ | 96% | 29.88 "Hg | 2 mi |
| 9:00 pm | | 37 °F | Fog. | 3 mph | ↑ | 96% | 29.88 "Hg | 1 mi |
| 8:53 pm | | 37 °F | Fog. | 5 mph | ↑ | 96% | 29.93 "Hg | 1 mi |
| 7:53 pm | | 37 °F | Fog. | 5 mph | ↑ | 96% | 29.93 "Hg | 5 mi |
| 6:53 pm | | 37 °F | Fog. | 5 mph | ↑ | 96% | 29.95 "Hg | 6 mi |
| 5:53 pm |  | 37 °F | Fog. | 7 mph | ↑ | 96% | 29.96 "Hg | 6 mi |
| 4:53 pm | | 37 °F | Fog. | 6 mph | ↑ | 96% | 29.96 "Hg | 4 mi |
| 4:15 pm | | 37 °F | Fog. | 5 mph | ↑ | 96% | 29.93 "Hg | 4 mi |
| 3:53 pm |  | 38 °F | Light rain. Fog. | 3 mph | ↑ | 93% | 29.99 "Hg | 4 mi |
| 3:40 pm | | 38 °F | Light rain. Fog. | 5 mph | ↑ | 93% | 29.95 "Hg | 2 mi |
| 3:00 pm | | 38 °F | Light rain. Fog. | No wind | ↑ | 93% | 29.98 "Hg | 4 mi |
| 2:53 pm | | 38 °F | Light rain. Fog. | 7 mph | ↑ | 93% | 30.01 "Hg | 3 mi |
| 1:53 pm | | 37 °F | Light rain. Fog. | No wind | ↑ | 93% | 30.08 "Hg | 3 mi |
| 1:42 pm | | 37 °F | Light rain. Fog. | 3 mph | ↑ | 93% | 30.04 "Hg | 2 mi |
| 1:19 pm | | 37 °F | Light rain. Fog. | No wind | ↑ | 93% | 30.06 "Hg | 6 mi |
| 12:53 pm | | 37 °F | Light rain. Mostly cloudy. | No wind | ↑ | 89% | 30.12 "Hg | 7 mi |
| 12:07 pm | | 37 °F | Light rain. Fog. | No wind | ↑ | 89% | 30.10 "Hg | 6 mi |
| 11:14 am |  | 37 °F | Mostly cloudy. | No wind | ↑ | 89% | 30.13 "Hg | 10 mi |
| 10:53 am | | 37 °F | Mostly cloudy. | No wind | ↑ | 89% | 30.20 "Hg | 9 mi |
| 10:25 am | | 36 °F | Mostly cloudy. | No wind | ↑ | 92% | 30.15 "Hg | 7 mi |
| 9:53 am | | 36 °F | Fog. | 3 mph | ↑ | 92% | 30.20 "Hg | 6 mi |
| 9:00 am | | 35 °F | Fog. | 5 mph | ↑ | 92% | 30.15 "Hg | 4 mi |
| 7:53 am | | 34 °F | Fog. | 3 mph | ↑ | 97% | 30.21 "Hg | 4 mi |
| 6:53 am | | 34 °F | Fog. | 3 mph | ↑ | 97% | 30.23 "Hg | 5 mi |
| 5:53 am | | 34 °F | Fog. | No wind | ↑ | 97% | 30.22 "Hg | 6 mi |
| 4:53 am |  | 34 °F | Overcast. | 6 mph | ↑ | 97% | 30.22 "Hg | 7 mi |
| 3:53 am | | 35 °F | Fog. | 6 mph | ↑ | 96% | 30.22 "Hg | 4 mi |
| 2:53 am |  | 35 °F | Light rain. Fog. | 3 mph | ↑ | 96% | 30.22 "Hg | 5 mi |
| 2:26 am | | 35 °F | Light rain. Fog. | 5 mph | ↑ | 96% | 30.17 "Hg | 4 mi |
| 2:03 am | | 34 °F | Light rain. Fog. | 3 mph | ↑ | 100% | 30.18 "Hg | 4 mi |
| Weather by CustomWeather, © 2025 | ||||||||