Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Monday, June 29, 2026
17:00 |
+30° feels like: +33° |
Mainly sunny
Relative humidity: 58%, pressure: 746 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
20:00 |
+29° feels like: +31° |
Clear
Relative humidity: 65%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, southeast |
23:00 |
+24° feels like: +24° |
Clear
Relative humidity: 85%, pressure: 746 mm Precipitations: 0.0 mm Wind: 11 km/h, southeast |
02:00 |
+23° feels like: +24° |
Mainly sunny
Relative humidity: 86%, pressure: 745 mm Precipitations: 0.0 mm Wind: 7 km/h, south |
05:00 |
+23° feels like: +24° |
A mix of sun and cloud
Relative humidity: 95%, pressure: 745 mm Precipitations: 0.0 mm Wind: 7 km/h, south |
08:00 |
+26° feels like: +29° |
A mix of sun and cloud
Relative humidity: 86%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, southwest |
11:00 |
+31° feels like: +37° |
Light showers
Relative humidity: 72%, pressure: 744 mm Precipitations: 0.2 mm Wind: 18 km/h, southwest |
14:00 |
+33° feels like: +40° |
Light showers
Relative humidity: 59%, pressure: 743 mm Precipitations: 0.2 mm Wind: 22 km/h, southwest |
17:00 |
+34° feels like: +40° |
Light showers
Relative humidity: 54%, pressure: 743 mm Precipitations: 0.5 mm Wind: 18 km/h, west |
20:00 |
+32° feels like: +37° |
Mainly sunny
Relative humidity: 61%, pressure: 743 mm Precipitations: 0.0 mm Wind: 11 km/h, west |