Currently: 10 °C. Passing clouds. (Weather station: Sarnia Airport, Canada). See more current weather
Past Weather in Sarnia — Graph
Sarnia Temperature Yesterday
Maximum temperature yesterday: 24 °C (at 4:00 pm)
Minimum temperature yesterday: 7 °C (at 6:00 am)
Average temperature yesterday: 16 °C
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 26 °C (Sep 3, 1:00 pm) | 100% (Aug 27, 1:00 am) | 102.79 kPa (Aug 27, 1:00 am) |
| Low | 7 °C (Sep 8, 4:00 am) | 37% (Sep 7, 5:00 pm) | 100.37 kPa (Sep 5, 12:00 pm) |
| Average | 15 °C | 75% | 101.81 kPa |
| * Reported Aug 26 4:00 am — Sep 10 4:00 am, Sarnia. 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
Sarnia Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 4:00 am Wed, Sep 10 |
|
10 °C | Partly cloudy. | 4 km/h | ↑ | 94% | 102.19 kPa | 14 km |
| 3:00 am |
|
10 °C | High level clouds. | 4 km/h | ↑ | 88% | 102.22 kPa | 14 km |
| 2:00 am |
|
11 °C | Passing clouds. | 6 km/h | ↑ | 88% | 102.24 kPa | 14 km |
| 1:00 am |
|
10 °C | Clear. | No wind | ↑ | 88% | 102.26 kPa | 14 km |
| 12:00 am |
|
12 °C | Clear. | 4 km/h | ↑ | 82% | 102.25 kPa | 14 km |
| 11:00 pm Tue, Sep 9 |
|
13 °C | Clear. | 4 km/h | ↑ | 77% | 102.21 kPa | 14 km |
| 10:00 pm |
|
14 °C | Clear. | 6 km/h | ↑ | 72% | 102.19 kPa | 14 km |
| 9:00 pm |
|
15 °C | Clear. | 9 km/h | ↑ | 68% | 102.20 kPa | 14 km |
| 8:00 pm |
|
17 °C | Clear. | 7 km/h | ↑ | 59% | 102.19 kPa | 14 km |
| 7:00 pm |
|
20 °C | Sunny. | 11 km/h | ↑ | 49% | 102.19 kPa | 14 km |
| 6:00 pm |
|
22 °C | Passing clouds. | 15 km/h | ↑ | 44% | 102.18 kPa | 14 km |
| 5:00 pm |
|
23 °C | Passing clouds. | 7 km/h | ↑ | 41% | 102.20 kPa | 14 km |
| 4:00 pm |
|
24 °C | Partly sunny. | 20 km/h | ↑ | 41% | 102.22 kPa | 14 km |
| 3:44 pm |
|
23 °C | Scattered clouds. | 7 km/h | ↑ | 44% | 102.24 kPa | 8 km |
| 3:00 pm |
|
22 °C | Scattered clouds. | 11 km/h | ↑ | 47% | 102.28 kPa | 14 km |
| 2:00 pm |
|
23 °C | Partly sunny. | 20 km/h | ↑ | 38% | 102.34 kPa | 14 km |
| 1:00 pm |
|
22 °C | Passing clouds. | 15 km/h | ↑ | 38% | 102.41 kPa | 14 km |
| 12:00 pm |
|
22 °C | Sunny. | 15 km/h | ↑ | 47% | 102.46 kPa | 14 km |
| 11:00 am |
|
20 °C | Sunny. | 19 km/h | ↑ | 64% | 102.48 kPa | 14 km |
| 10:00 am |
|
17 °C | Sunny. | 13 km/h | ↑ | 77% | 102.47 kPa | 14 km |
| 9:00 am |
|
13 °C | Sunny. | 7 km/h | ↑ | 88% | 102.48 kPa | 14 km |
| 8:00 am |
|
9 °C | Sunny. | 4 km/h | ↑ | 94% | 102.50 kPa | 14 km |
| 7:00 am |
|
8 °C | Clear. | 4 km/h | ↑ | 93% | 102.48 kPa | 14 km |
| 6:00 am |
|
7 °C | Clear. | 4 km/h | ↑ | 100% | 102.47 kPa | 14 km |
| 5:00 am |
|
9 °C | Clear. | 7 km/h | ↑ | 94% | 102.46 kPa | 14 km |
| Weather by CustomWeather, © 2025 | ||||||||