Currently: 19 °F. Passing clouds. (Weather station: Saint Catharines Airport, Canada). See more current weatherPast Weather in St. Catharines — Graph
St. Catharines Temperature Yesterday
Maximum temperature yesterday: 25 °F (at 11:00 am)
Minimum temperature yesterday: 16 °F (at 8:00 am)
Average temperature yesterday: 21 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 55 °F (Nov 26, 11:23 am) | 100% (Nov 25, 4:00 pm) | 30.50 "Hg (Nov 25, 4:00 pm) |
| Low | 14 °F (Dec 5, 8:00 am) | 39% (Dec 4, 1:00 pm) | 29.59 "Hg (Nov 26, 11:23 am) |
| Average | 34 °F | 73% | 30.03 "Hg |
| * Reported Nov 23 9:00 pm — Dec 8 9:00 pm, St. Catharines. 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
St. Catharines Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 9:00 pm Mon, Dec 8 | | 16 °F | Passing clouds. | 6 mph | ↑ | 67% | 30.34 "Hg | 15 mi |
| 8:00 pm | | 16 °F | Passing clouds. | 6 mph | ↑ | 67% | 30.36 "Hg | 15 mi |
| 7:00 pm | | 18 °F | Passing clouds. | 6 mph | ↑ | 62% | 30.37 "Hg | 15 mi |
| 6:00 pm | | 19 °F | Passing clouds. | 8 mph | ↑ | 58% | 30.36 "Hg | 15 mi |
| 5:00 pm |  | 23 °F | Partly cloudy. | No wind | ↑ | 50% | 30.35 "Hg | 15 mi |
| 4:00 pm |  | 25 °F | Partly sunny. | 2 mph | ↑ | 42% | 30.34 "Hg | 15 mi |
| 3:00 pm |  | 25 °F | Overcast. | 3 mph | ↑ | 42% | 30.34 "Hg | 30 mi |
| 2:00 pm | | 25 °F | Partly sunny. | 2 mph | ↑ | 46% | 30.36 "Hg | 15 mi |
| 1:00 pm | | 25 °F | Partly sunny. | 2 mph | ↑ | 42% | 30.37 "Hg | 30 mi |
| 12:00 pm | | 23 °F | Partly sunny. | 2 mph | ↑ | 54% | 30.40 "Hg | 30 mi |
| 11:00 am | | 25 °F | Partly sunny. | 5 mph | ↑ | 50% | 30.42 "Hg | 15 mi |
| 10:00 am | | 23 °F | Partly sunny. | 3 mph | ↑ | 50% | 30.43 "Hg | 15 mi |
| 9:00 am | | 19 °F | Partly sunny. | No wind | ↑ | 58% | 30.42 "Hg | 15 mi |
| 8:00 am | | 16 °F | Partly sunny. | 5 mph | ↑ | 62% | 30.41 "Hg | 30 mi |
| Weather by CustomWeather, © 2025 | ||||||||