Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Saturday, June 20, 2026
14:00 |
+22° feels like: +22° |
Chance of thunderstorms
Relative humidity: 70%, pressure: 741 mm Precipitations: 0.3 mm Wind: 7 km/h, west |
17:00 |
+21° feels like: +21° |
Chance of thunderstorms
Relative humidity: 72%, pressure: 741 mm Precipitations: 2.0 mm Wind: 14 km/h, northwest |
20:00 |
+19° feels like: +19° |
Showers
Relative humidity: 74%, pressure: 742 mm Precipitations: 1.9 mm Wind: 7 km/h, northwest |
23:00 |
+16° feels like: +16° |
Clear
Relative humidity: 89%, pressure: 742 mm Precipitations: 0.2 mm Wind: 4 km/h, northwest |
02:00 |
+14° feels like: +14° |
A mix of sun and cloud
Relative humidity: 92%, pressure: 743 mm Precipitations: 0.0 mm Wind: 0 km/h, west |
05:00 |
+13° feels like: +13° |
Overcast
Relative humidity: 94%, pressure: 743 mm Precipitations: 0.0 mm Wind: 4 km/h, west |
08:00 |
+16° feels like: +16° |
A mix of sun and cloud
Relative humidity: 86%, pressure: 744 mm Precipitations: 0.0 mm Wind: 7 km/h, northwest |
11:00 |
+19° feels like: +19° |
A mix of sun and cloud
Relative humidity: 67%, pressure: 744 mm Precipitations: 0.0 mm Wind: 7 km/h, north |
14:00 |
+21° feels like: +21° |
Light showers
Relative humidity: 61%, pressure: 744 mm Precipitations: 0.3 mm Wind: 7 km/h, northeast |