Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Monday, April 20, 2026
14:00 |
+2° feels like: +-2° |
A mix of sun and cloud
Relative humidity: 52%, pressure: 755 mm Precipitations: 0.0 mm Wind: 14 km/h, north |
17:00 |
+3° feels like: +-1° |
Partly cloudy
Relative humidity: 54%, pressure: 753 mm Precipitations: 0.0 mm Wind: 14 km/h, northeast |
20:00 |
+2° feels like: +-1° |
Partly cloudy
Relative humidity: 60%, pressure: 753 mm Precipitations: 0.0 mm Wind: 7 km/h, east |
23:00 |
0° feels like: -4° |
Clear
Relative humidity: 64%, pressure: 752 mm Precipitations: 0.0 mm Wind: 14 km/h, southeast |
02:00 |
+1° feels like: +-4° |
Mainly sunny
Relative humidity: 76%, pressure: 752 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
05:00 |
+3° feels like: +-1° |
Overcast
Relative humidity: 70%, pressure: 751 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
08:00 |
+5° feels like: +1° |
A mix of sun and cloud
Relative humidity: 74%, pressure: 749 mm Precipitations: 0.0 mm Wind: 18 km/h, south |
11:00 |
+8° feels like: +4° |
Overcast
Relative humidity: 72%, pressure: 748 mm Precipitations: 0.4 mm Wind: 22 km/h, south |
14:00 |
+14° feels like: +14° |
Clear
Relative humidity: 58%, pressure: 745 mm Precipitations: 0.0 mm Wind: 25 km/h, south |