Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Sunday, March 8, 2026
05:00 |
+4° feels like: +1° |
Overcast
Relative humidity: 87%, pressure: 741 mm Precipitations: 0.0 mm Wind: 11 km/h, southwest |
08:00 |
+4° feels like: +0° |
Overcast
Relative humidity: 85%, pressure: 742 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
11:00 |
+7° feels like: +3° |
Partly cloudy
Relative humidity: 69%, pressure: 741 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
14:00 |
+11° feels like: +11° |
Clear
Relative humidity: 57%, pressure: 739 mm Precipitations: 0.0 mm Wind: 29 km/h, southwest |
17:00 |
+13° feels like: +13° |
Clear
Relative humidity: 50%, pressure: 739 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
20:00 |
+10° feels like: +10° |
Mainly sunny
Relative humidity: 63%, pressure: 739 mm Precipitations: 0.0 mm Wind: 11 km/h, southwest |
23:00 |
+8° feels like: +5° |
A mix of sun and cloud
Relative humidity: 69%, pressure: 740 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
02:00 |
+8° feels like: +5° |
Overcast
Relative humidity: 72%, pressure: 739 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
05:00 |
+8° feels like: +5° |
Clear
Relative humidity: 75%, pressure: 739 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |