Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Tuesday, April 21, 2026
02:00 |
+1° feels like: +-4° |
Clear
Relative humidity: 74%, pressure: 751 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
05:00 |
+2° feels like: +-2° |
A mix of sun and cloud
Relative humidity: 69%, pressure: 750 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
08:00 |
+4° feels like: +0° |
A mix of sun and cloud
Relative humidity: 70%, pressure: 750 mm Precipitations: 0.0 mm Wind: 18 km/h, south |
11:00 |
+8° feels like: +4° |
Mainly sunny
Relative humidity: 65%, pressure: 748 mm Precipitations: 0.2 mm Wind: 22 km/h, south |
14:00 |
+13° feels like: +13° |
Clear
Relative humidity: 54%, pressure: 745 mm Precipitations: 0.0 mm Wind: 25 km/h, south |
17:00 |
+16° feels like: +16° |
A mix of sun and cloud
Relative humidity: 58%, pressure: 743 mm Precipitations: 0.1 mm Wind: 18 km/h, southwest |
20:00 |
+14° feels like: +14° |
Clear
Relative humidity: 78%, pressure: 742 mm Precipitations: 2.4 mm Wind: 7 km/h, south |
23:00 |
+11° feels like: +11° |
Mainly sunny
Relative humidity: 87%, pressure: 743 mm Precipitations: 0.0 mm Wind: 7 km/h, southwest |
02:00 |
+10° feels like: +8° |
Clear
Relative humidity: 95%, pressure: 743 mm Precipitations: 0.0 mm Wind: 11 km/h, west |