Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Wednesday, September 17, 2025
05:00 |
+12° feels like: +12° |
A mix of sun and cloud
Relative humidity: 100%, pressure: 748 mm Precipitations: 0.0 mm Wind: 0 km/h, north |
08:00 |
+12° feels like: +12° |
Overcast
Relative humidity: 100%, pressure: 748 mm Precipitations: 0.0 mm Wind: 0 km/h, northwest |
11:00 |
+22° feels like: +22° |
Mainly sunny
Relative humidity: 68%, pressure: 749 mm Precipitations: 0.0 mm Wind: 4 km/h, north |
14:00 |
+24° feels like: +24° |
Clear
Relative humidity: 61%, pressure: 748 mm Precipitations: 0.0 mm Wind: 11 km/h, northeast |
17:00 |
+24° feels like: +24° |
Clear
Relative humidity: 57%, pressure: 747 mm Precipitations: 0.0 mm Wind: 11 km/h, northeast |
20:00 |
+19° feels like: +19° |
Clear
Relative humidity: 76%, pressure: 746 mm Precipitations: 0.0 mm Wind: 4 km/h, northeast |
23:00 |
+16° feels like: +16° |
Clear
Relative humidity: 93%, pressure: 746 mm Precipitations: 0.0 mm Wind: 0 km/h, southeast |
02:00 |
+13° feels like: +13° |
Partly cloudy
Relative humidity: 95%, pressure: 746 mm Precipitations: 0.0 mm Wind: 0 km/h, southwest |
05:00 |
+12° feels like: +12° |
Overcast
Relative humidity: 99%, pressure: 746 mm Precipitations: 0.0 mm Wind: 0 km/h, northeast |
08:00 |
+13° feels like: +13° |
Overcast
Relative humidity: 99%, pressure: 746 mm Precipitations: 0.0 mm Wind: 0 km/h, southwest |