Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Friday, March 13, 2026
17:00 |
+4° feels like: +-2° |
Light showers
Relative humidity: 72%, pressure: 730 mm Precipitations: 0.2 mm Wind: 36 km/h, southwest |
20:00 |
+3° feels like: +-3° |
Light rain and snow
Relative humidity: 77%, pressure: 733 mm Precipitations: 0.3 mm Wind: 36 km/h, west |
23:00 |
+1° feels like: +-6° |
Overcast
Relative humidity: 72%, pressure: 735 mm Precipitations: 0.0 mm Wind: 43 km/h, west |
02:00 |
-1° feels like: -9° |
Overcast
Relative humidity: 77%, pressure: 739 mm Precipitations: 0.0 mm Wind: 32 km/h, northwest |
05:00 |
-2° feels like: -10° |
A mix of sun and cloud
Relative humidity: 75%, pressure: 744 mm Precipitations: 0.0 mm Wind: 29 km/h, northwest |
08:00 |
-4° feels like: -10° |
Mainly sunny
Relative humidity: 70%, pressure: 747 mm Precipitations: 0.0 mm Wind: 22 km/h, northwest |
11:00 |
-3° feels like: -9° |
Clear
Relative humidity: 61%, pressure: 750 mm Precipitations: 0.0 mm Wind: 18 km/h, northwest |
14:00 |
-1° feels like: -6° |
Partly cloudy
Relative humidity: 57%, pressure: 751 mm Precipitations: 0.0 mm Wind: 14 km/h, northwest |
17:00 |
-1° feels like: -5° |
Overcast
Relative humidity: 58%, pressure: 751 mm Precipitations: 0.0 mm Wind: 14 km/h, northeast |
20:00 |
-1° feels like: -6° |
Overcast
Relative humidity: 70%, pressure: 751 mm Precipitations: 0.0 mm Wind: 11 km/h, east |