Your local weather forecast for today
Sarnia, ON — 1 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Wednesday, January 21, 2026
09:00 |
-6° feels like: -14° |
Snow
Relative humidity: 88%, pressure: 746 mm Precipitations: 0.5 mm Wind: 22 km/h, south |
10:00 |
-6° feels like: -13° |
Snow
Relative humidity: 87%, pressure: 745 mm Precipitations: 0.6 mm Wind: 22 km/h, south |
11:00 |
-5° feels like: -12° |
Snow
Relative humidity: 86%, pressure: 744 mm Precipitations: 0.7 mm Wind: 22 km/h, south |
12:00 |
-4° feels like: -11° |
Snow
Relative humidity: 85%, pressure: 743 mm Precipitations: 0.4 mm Wind: 25 km/h, south |
13:00 |
-4° feels like: -11° |
Snow
Relative humidity: 84%, pressure: 742 mm Precipitations: 0.3 mm Wind: 25 km/h, southwest |
14:00 |
-3° feels like: -10° |
Light snow
Relative humidity: 82%, pressure: 742 mm Precipitations: 0.2 mm Wind: 22 km/h, southwest |
15:00 |
-2° feels like: -8° |
Light snow
Relative humidity: 80%, pressure: 741 mm Precipitations: 0.1 mm Wind: 22 km/h, southwest |
16:00 |
-1° feels like: -7° |
Light snow
Relative humidity: 77%, pressure: 741 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
17:00 |
-1° feels like: -7° |
Overcast
Relative humidity: 77%, pressure: 741 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
18:00 |
-1° feels like: -7° |
Overcast
Relative humidity: 77%, pressure: 741 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
19:00 |
-1° feels like: -7° |
Overcast
Relative humidity: 77%, pressure: 741 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
20:00 |
-1° feels like: -7° |
Overcast
Relative humidity: 77%, pressure: 741 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
21:00 |
-2° feels like: -8° |
Overcast
Relative humidity: 76%, pressure: 741 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
22:00 |
-3° feels like: -9° |
Overcast
Relative humidity: 76%, pressure: 742 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
23:00 |
-4° feels like: -10° |
Overcast
Relative humidity: 77%, pressure: 742 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
00:00 |
-4° feels like: -10° |
Overcast
Relative humidity: 78%, pressure: 742 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
01:00 |
-4° feels like: -10° |
Overcast
Relative humidity: 78%, pressure: 743 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
02:00 |
-4° feels like: -10° |
Overcast
Relative humidity: 79%, pressure: 743 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
03:00 |
-5° feels like: -11° |
Overcast
Relative humidity: 80%, pressure: 743 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
04:00 |
-5° feels like: -11° |
Overcast
Relative humidity: 81%, pressure: 743 mm Precipitations: 0.1 mm Wind: 14 km/h, west |
05:00 |
-5° feels like: -11° |
Overcast
Relative humidity: 82%, pressure: 743 mm Precipitations: 0.1 mm Wind: 14 km/h, west |
06:00 |
-5° feels like: -11° |
Overcast
Relative humidity: 83%, pressure: 744 mm Precipitations: 0.1 mm Wind: 14 km/h, west |
07:00 |
-6° feels like: -12° |
Overcast
Relative humidity: 85%, pressure: 744 mm Precipitations: 0.1 mm Wind: 14 km/h, west |
08:00 |
-6° feels like: -13° |
Light snow
Relative humidity: 78%, pressure: 744 mm Precipitations: 0.4 mm Wind: 18 km/h, west |
09:00 |
-6° feels like: -13° |
Light snow
Relative humidity: 82%, pressure: 745 mm Precipitations: 0.5 mm Wind: 18 km/h, west |