Currently: 17 °C. Partly sunny. (Weather station: Saint Catharines Airport, Canada). See more current weather
Past Weather in St. Catharines — Graph
St. Catharines Temperature Yesterday
Maximum temperature yesterday: 23 °C (at 1:00 pm)
Minimum temperature yesterday: 8 °C (at 7:00 am)
Average temperature yesterday: 18 °C
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 28 °C (Sep 3, 3:00 pm) | 100% (Aug 28, 5:46 pm) | 102.79 kPa (Aug 28, 5:46 pm) |
| Low | 8 °C (Sep 9, 7:00 am) | 32% (Sep 3, 3:00 pm) | 100.28 kPa (Sep 4, 8:03 am) |
| Average | 19 °C | 62% | 101.77 kPa |
| * Reported Aug 25 9:00 pm — Sep 9 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 Tue, Sep 9 |
|
15 °C | Passing clouds. | 9 km/h | ↑ | 77% | 102.29 kPa | 24 km |
| 8:00 pm |
|
16 °C | Passing clouds. | 6 km/h | ↑ | 77% | 102.30 kPa | 24 km |
| 7:00 pm |
|
19 °C | Partly sunny. | 7 km/h | ↑ | 64% | 102.31 kPa | 24 km |
| 6:00 pm |
|
21 °C | Scattered clouds. | 13 km/h | ↑ | 53% | 102.31 kPa | 24 km |
| 5:00 pm |
|
22 °C | Scattered clouds. | 9 km/h | ↑ | 53% | 102.32 kPa | 24 km |
| 4:00 pm |
|
22 °C | Partly sunny. | 13 km/h | ↑ | 57% | 102.36 kPa | 24 km |
| 3:00 pm |
|
21 °C | Partly sunny. | 15 km/h | ↑ | 57% | 102.41 kPa | 24 km |
| 2:00 pm |
|
22 °C | Scattered clouds. | 15 km/h | ↑ | 57% | 102.48 kPa | 24 km |
| 1:00 pm |
|
23 °C | Scattered clouds. | 19 km/h | ↑ | 41% | 102.52 kPa | 24 km |
| 12:00 pm |
|
22 °C | Passing clouds. | 13 km/h | ↑ | 47% | 102.58 kPa | 24 km |
| 11:00 am |
|
19 °C | Sunny. | 4 km/h | ↑ | 64% | 102.65 kPa | 24 km |
| 10:00 am |
|
18 °C | Passing clouds. | 9 km/h | ↑ | 68% | 102.65 kPa | 24 km |
| Weather by CustomWeather, © 2025 | ||||||||