Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Saturday, February 21, 2026
10:00 |
+1° feels like: +-4° |
Overcast
Relative humidity: 74%, pressure: 744 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
13:00 |
+2° feels like: +-2° |
Overcast
Relative humidity: 67%, pressure: 745 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
16:00 |
+2° feels like: +-3° |
Overcast
Relative humidity: 66%, pressure: 745 mm Precipitations: 0.0 mm Wind: 14 km/h, west |
19:00 |
+1° feels like: +-3° |
Overcast
Relative humidity: 76%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
22:00 |
0° feels like: -4° |
Overcast
Relative humidity: 85%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
01:00 |
-1° feels like: -5° |
Light snow
Relative humidity: 91%, pressure: 745 mm Precipitations: 0.5 mm Wind: 7 km/h, west |
04:00 |
-2° feels like: -6° |
Snow
Relative humidity: 91%, pressure: 745 mm Precipitations: 0.3 mm Wind: 11 km/h, west |
07:00 |
-2° feels like: -6° |
Light snow
Relative humidity: 89%, pressure: 744 mm Precipitations: 0.2 mm Wind: 11 km/h, west |
10:00 |
-2° feels like: -6° |
Snow
Relative humidity: 85%, pressure: 745 mm Precipitations: 0.4 mm Wind: 14 km/h, northwest |