Hourly Forecast - Sarnia
| Date/Time (EDT) | Temp. (°C) | Weather Conditions | Likelihood of precip (%) | UV index | Wind (km/h) | Humidex |
|---|---|---|---|---|---|---|
| 11 October 2026 | ||||||
| 20:00 | 16 | Chance of showers | 40 | * | VR 5 | * |
| 21:00 | 16 | Overcast | 20 | * | VR 5 | * |
| 22:00 | 15 | Overcast | 20 | * | VR 5 | * |
| 23:00 | 15 | Cloudy | 20 | * | VR 5 | * |
| 12 October 2026 | ||||||
| 00:00 | 14 | Cloudy | 20 | * | VR 5 | * |
| 01:00 | 14 | Cloudy | 20 | * | VR 5 | * |
| 02:00 | 13 | Mainly cloudy | 20 | * | SW 10 | * |
| 03:00 | 13 | Mainly cloudy | 20 | * | SW 10 | * |
| 04:00 | 12 | Mainly cloudy | 20 | * | SW 10 | * |
| 05:00 | 12 | Cloudy | 20 | * | SW 15 | * |
| 06:00 | 13 | Cloudy | 20 | * | SW 15 | * |
| 07:00 | 13 | Cloudy | 20 | * | SW 15 | * |
| 08:00 | 14 | Mainly cloudy | 20 | * | SW 30 | * |
| 09:00 | 15 | Mainly cloudy | 20 | 1 | SW 30 | * |
| 10:00 | 16 | Mainly cloudy | 20 | 3 | SW 30 | * |
| 11:00 | 17 | Sunny | 20 | 4 | SW 30 | * |
| 12:00 | 18 | Sunny | 10 | 5 | SW 30 | * |
| 13:00 | 20 | Sunny | 10 | 5 | SW 30 | 25 |
| 14:00 | 21 | Sunny | 10 | 3 | SW 30 | 26 |
| 15:00 | 22 | Sunny | 10 | 2 | SW 30 | 27 |
| 16:00 | 23 | Sunny | 10 | 1 | SW 30 | 28 |
| 17:00 | 24 | Sunny | 10 | * | S 20 | 29 |
| 18:00 | 23 | Sunny | 20 | * | S 20 | 28 |
| 19:00 | 21 | Clear | 20 | * | S 20 | 26 |
* Value not significant
- Date modified: