Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Wednesday, February 18, 2026
22:00 |
0° feels like: -4° |
Overcast
Relative humidity: 92%, pressure: 744 mm Precipitations: 0.0 mm Wind: 11 km/h, east |
01:00 |
0° feels like: -4° |
Light rain and snow
Relative humidity: 95%, pressure: 742 mm Precipitations: 0.4 mm Wind: 11 km/h, east |
04:00 |
0° feels like: -4° |
Light showers
Relative humidity: 93%, pressure: 740 mm Precipitations: 0.3 mm Wind: 14 km/h, southeast |
07:00 |
+1° feels like: +-4° |
Showers
Relative humidity: 92%, pressure: 737 mm Precipitations: 1.3 mm Wind: 18 km/h, southeast |
10:00 |
+2° feels like: +-3° |
Showers
Relative humidity: 88%, pressure: 735 mm Precipitations: 1.3 mm Wind: 22 km/h, southeast |
13:00 |
+3° feels like: +-1° |
Rain
Relative humidity: 88%, pressure: 734 mm Precipitations: 2.8 mm Wind: 18 km/h, southeast |
16:00 |
+5° feels like: +1° |
Overcast
Relative humidity: 83%, pressure: 734 mm Precipitations: 0.0 mm Wind: 14 km/h, southeast |
19:00 |
+4° feels like: +0° |
Mainly sunny
Relative humidity: 86%, pressure: 736 mm Precipitations: 0.2 mm Wind: 11 km/h, southeast |
22:00 |
+1° feels like: +-2° |
A mix of sun and cloud
Relative humidity: 89%, pressure: 738 mm Precipitations: 0.0 mm Wind: 11 km/h, southeast |