Canada Weather Forecast
Data provided by Environment and Climate Change Canada
Sarnia, Ontario
- Saturday night: Clear. Low 16.
on September 7, 2026 at 5:00 amClear. Low 16. Forecast issued 5:00 AM EDT Monday 7 September 2026
- Sunday: Cloudy. High 23.on September 7, 2026 at 5:00 am
Cloudy. High 23. Forecast issued 5:00 AM EDT Monday 7 September 2026
- Friday night: Clear. Low 13.on September 7, 2026 at 5:00 am
Clear. Low 13. Forecast issued 5:00 AM EDT Monday 7 September 2026
- Saturday: Chance of showers. High 25. POP 30%on September 7, 2026 at 5:00 am
A mix of sun and cloud with 30 percent chance of showers. High 25. Forecast issued 5:00 AM EDT Monday 7 September 2026
- Thursday night: Clear. Low 11.on September 7, 2026 at 5:00 am
Clear. Low 11. Forecast issued 5:00 AM EDT Monday 7 September 2026