Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Thursday, January 22, 2026
10:00 |
-5° feels like: -12° |
Mainly sunny
Relative humidity: 71%, pressure: 746 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
13:00 |
-6° feels like: -14° |
A mix of sun and cloud
Relative humidity: 63%, pressure: 747 mm Precipitations: 0.1 mm Wind: 29 km/h, west |
16:00 |
-8° feels like: -16° |
Overcast
Relative humidity: 60%, pressure: 747 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
19:00 |
-9° feels like: -15° |
Overcast
Relative humidity: 74%, pressure: 747 mm Precipitations: 0.1 mm Wind: 14 km/h, southwest |
22:00 |
-9° feels like: -16° |
Light snow
Relative humidity: 65%, pressure: 748 mm Precipitations: 0.4 mm Wind: 14 km/h, west |
01:00 |
-10° feels like: -18° |
Overcast
Relative humidity: 70%, pressure: 748 mm Precipitations: 0.2 mm Wind: 18 km/h, west |
04:00 |
-13° feels like: -22° |
A mix of sun and cloud
Relative humidity: 68%, pressure: 749 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
07:00 |
-17° feels like: -27° |
Clear
Relative humidity: 68%, pressure: 752 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
10:00 |
-19° feels like: -30° |
Clear
Relative humidity: 63%, pressure: 755 mm Precipitations: 0.0 mm Wind: 25 km/h, west |