Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Thursday, March 12, 2026
17:00 |
+1° feels like: +-4° |
Partly cloudy
Relative humidity: 44%, pressure: 745 mm Precipitations: 0.0 mm Wind: 18 km/h, northwest |
20:00 |
-1° feels like: -4° |
Clear
Relative humidity: 65%, pressure: 745 mm Precipitations: 0.0 mm Wind: 7 km/h, northwest |
23:00 |
-2° feels like: -6° |
A mix of sun and cloud
Relative humidity: 73%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
02:00 |
-2° feels like: -5° |
Overcast
Relative humidity: 70%, pressure: 744 mm Precipitations: 0.0 mm Wind: 7 km/h, south |
05:00 |
0° feels like: -6° |
Overcast
Relative humidity: 66%, pressure: 740 mm Precipitations: 0.1 mm Wind: 18 km/h, southeast |
08:00 |
+1° feels like: +-6° |
Snow
Relative humidity: 77%, pressure: 736 mm Precipitations: 1.4 mm Wind: 32 km/h, southeast |
11:00 |
+4° feels like: +0° |
Rain
Relative humidity: 68%, pressure: 730 mm Precipitations: 2.9 mm Wind: 29 km/h, south |
14:00 |
+5° feels like: +0° |
Showers
Relative humidity: 75%, pressure: 729 mm Precipitations: 1.0 mm Wind: 32 km/h, southwest |
17:00 |
+4° feels like: +-2° |
Light showers
Relative humidity: 74%, pressure: 730 mm Precipitations: 0.6 mm Wind: 36 km/h, southwest |