Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Thursday, November 20, 2025
22:00 |
-1° feels like: -3° |
Mainly sunny
Relative humidity: 78%, pressure: 751 mm Precipitations: 0.0 mm Wind: 7 km/h, southeast |
01:00 |
-2° feels like: -4° |
Clear
Relative humidity: 80%, pressure: 750 mm Precipitations: 0.0 mm Wind: 4 km/h, southeast |
04:00 |
-2° feels like: -5° |
Clear
Relative humidity: 84%, pressure: 749 mm Precipitations: 0.0 mm Wind: 4 km/h, southeast |
07:00 |
-2° feels like: -4° |
Clear
Relative humidity: 81%, pressure: 749 mm Precipitations: 0.0 mm Wind: 4 km/h, southeast |
10:00 |
+4° feels like: +2° |
Overcast
Relative humidity: 72%, pressure: 749 mm Precipitations: 0.0 mm Wind: 7 km/h, southeast |
13:00 |
+7° feels like: +5° |
Overcast
Relative humidity: 65%, pressure: 748 mm Precipitations: 0.0 mm Wind: 11 km/h, south |
16:00 |
+7° feels like: +5° |
Overcast
Relative humidity: 78%, pressure: 746 mm Precipitations: 0.0 mm Wind: 11 km/h, south |
19:00 |
+5° feels like: +3° |
A mix of sun and cloud
Relative humidity: 85%, pressure: 746 mm Precipitations: 0.0 mm Wind: 11 km/h, south |
22:00 |
+4° feels like: +2° |
Overcast
Relative humidity: 91%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, south |
01:00 |
+5° feels like: +2° |
Overcast
Relative humidity: 91%, pressure: 744 mm Precipitations: 0.0 mm Wind: 11 km/h, southwest |