Past Weather in St. Catharines — Graph
St. Catharines Temperature Yesterday
Maximum temperature yesterday: 38 °F (at 7:00 pm)
Minimum temperature yesterday: 25 °F (at 7:00 am)
Average temperature yesterday: 31 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 67 °F (Mar 10, 2:00 pm) | 100% (Mar 13, 12:00 pm) | 30.48 "Hg (Mar 13, 12:00 pm) |
| Low | 16 °F (Mar 17, 5:00 am) | 40% (Mar 12, 6:00 pm) | 29.23 "Hg (Mar 16, 10:00 am) |
| Average | 35 °F | 72% | 29.95 "Hg |
| * Reported Mar 10 5:00 am — Mar 25 5:00 am, St. Catharines. 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
St. Catharines Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 5:00 am Wed, Mar 25 |
|
32 °F | Chilly. | 3 mph | ↑ | 75% | 30.32 "Hg | N/A |
| 4:00 am |
|
32 °F | Chilly. | 6 mph | ↑ | 79% | 30.33 "Hg | N/A |
| 3:00 am |
|
33 °F | Chilly. | 5 mph | ↑ | 72% | 30.34 "Hg | N/A |
| 2:00 am |
|
33 °F | Chilly. | 5 mph | ↑ | 72% | 30.36 "Hg | N/A |
| 1:00 am |
|
35 °F | Chilly. | 3 mph | ↑ | 73% | 30.37 "Hg | N/A |
| 12:00 am |
|
35 °F | Chilly. | 5 mph | ↑ | 69% | 30.38 "Hg | N/A |
| 10:00 pm Tue, Mar 24 |
|
36 °F | Chilly. | 3 mph | ↑ | 68% | 30.37 "Hg | N/A |
| 9:00 pm |
|
35 °F | Chilly. | 6 mph | ↑ | 74% | 30.35 "Hg | N/A |
| 8:00 pm |
|
37 °F | Chilly. | 9 mph | ↑ | 62% | 30.33 "Hg | N/A |
| 7:00 pm |
|
38 °F | Chilly. | 7 mph | ↑ | 63% | 30.34 "Hg | N/A |
| 6:00 pm |
|
37 °F | Chilly. | 9 mph | ↑ | 59% | 30.34 "Hg | N/A |
| 5:00 pm |
|
37 °F | Chilly. | 9 mph | ↑ | 56% | 30.35 "Hg | N/A |
| 4:00 pm |
|
36 °F | Chilly. | 9 mph | ↑ | 57% | 30.36 "Hg | N/A |
| 3:00 pm |
|
36 °F | Chilly. | 9 mph | ↑ | 54% | 30.37 "Hg | N/A |
| 2:00 pm |
|
35 °F | Chilly. | 10 mph | ↑ | 46% | 30.39 "Hg | N/A |
| 1:00 pm |
|
34 °F | Chilly. | 7 mph | ↑ | 50% | 30.41 "Hg | N/A |
| 12:00 pm |
|
31 °F | Chilly. | 9 mph | ↑ | 56% | 30.44 "Hg | N/A |
| 11:00 am |
|
31 °F | Chilly. | 10 mph | ↑ | 54% | 30.43 "Hg | N/A |
| 10:00 am |
|
30 °F | Chilly. | 5 mph | ↑ | 61% | 30.44 "Hg | N/A |
| 9:00 am |
|
27 °F | Chilly. | 6 mph | ↑ | 70% | 30.46 "Hg | N/A |
| 8:00 am |
|
26 °F | Chilly. | 6 mph | ↑ | 71% | 30.47 "Hg | N/A |
| 7:00 am |
|
25 °F | Chilly. | 3 mph | ↑ | 76% | 30.48 "Hg | N/A |
| 6:00 am |
|
26 °F | Chilly. | 5 mph | ↑ | 73% | 30.46 "Hg | N/A |
| Weather by CustomWeather, © 2026 | ||||||||