Currently: 61 °F. Sunny. (Weather station: Ontario Municipal Airport, USA). See more current weatherPast Weather in Ontario — Graph
Ontario Temperature Yesterday
Maximum temperature yesterday: 64 °F (at 3:53 pm)
Minimum temperature yesterday: 32 °F (at 5:53 am)
Average temperature yesterday: 47 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 75 °F (Apr 6, 4:53 pm) | 97% (Apr 14, 2:53 am) | 30.45 "Hg (Apr 14, 2:53 am) |
| Low | 27 °F (Apr 17, 6:53 am) | 16% (Apr 8, 11:53 am) | 29.66 "Hg (Apr 12, 7:53 am) |
| Average | 51 °F | 62% | 30.00 "Hg |
| * Reported Apr 4 12:53 pm — Apr 19 12:53 pm, Ontario. 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
Ontario Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:53 pm Sun, Apr 19 | | 59 °F | Sunny. | 5 mph | ↑ | 33% | 30.03 "Hg | 10 mi |
| 11:53 am | | 56 °F | Sunny. | 6 mph | ↑ | 37% | 30.06 "Hg | 10 mi |
| 10:53 am | | 53 °F | Sunny. | 3 mph | ↑ | 45% | 30.07 "Hg | 10 mi |
| 9:53 am | | 47 °F | Sunny. | 3 mph | ↑ | 64% | 30.09 "Hg | 10 mi |
| 8:53 am | | 39 °F | Sunny. | 3 mph | ↑ | 79% | 30.10 "Hg | 10 mi |
| 7:53 am | | 34 °F | Clear. | 5 mph | ↑ | 85% | 30.08 "Hg | 10 mi |
| 6:53 am |  | 33 °F | Clear. | 6 mph | ↑ | 85% | 30.06 "Hg | 10 mi |
| 5:53 am | | 34 °F | Clear. | 3 mph | ↑ | 85% | 30.06 "Hg | 10 mi |
| 4:53 am | | 36 °F | Clear. | 7 mph | ↑ | 79% | 30.06 "Hg | 10 mi |
| 3:53 am | | 37 °F | Clear. | 8 mph | ↑ | 79% | 30.06 "Hg | 10 mi |
| 2:53 am | | 38 °F | Clear. | 6 mph | ↑ | 79% | 30.07 "Hg | 10 mi |
| 1:53 am | | 39 °F | Clear. | 8 mph | ↑ | 79% | 30.08 "Hg | 10 mi |
| 12:53 am | | 42 °F | Clear. | 3 mph | ↑ | 71% | 30.07 "Hg | 10 mi |
| 11:53 pm Sat, Apr 18 | | 47 °F | Clear. | 3 mph | ↑ | 59% | 30.07 "Hg | 10 mi |
| 10:53 pm | | 48 °F | Clear. | 3 mph | ↑ | 59% | 30.07 "Hg | 10 mi |
| 9:53 pm | | 52 °F | Clear. | 7 mph | ↑ | 49% | 30.07 "Hg | 10 mi |
| 8:53 pm | | 55 °F | Sunny. | 7 mph | ↑ | 44% | 30.06 "Hg | 10 mi |
| 7:53 pm | | 60 °F | Sunny. | 6 mph | ↑ | 33% | 30.08 "Hg | 10 mi |
| 6:53 pm | | 64 °F | Sunny. | 3 mph | ↑ | 22% | 30.09 "Hg | 10 mi |
| 5:53 pm | | 64 °F | Sunny. | 7 mph | ↑ | 21% | 30.10 "Hg | 10 mi |
| 4:53 pm | | 64 °F | Sunny. | 7 mph | ↑ | 21% | 30.12 "Hg | 10 mi |
| 3:53 pm | | 64 °F | Sunny. | 12 mph | ↑ | 24% | 30.15 "Hg | 10 mi |
| 2:53 pm | | 62 °F | Sunny. | 6 mph | ↑ | 25% | 30.19 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||