Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Sunday, March 22, 2026
23:00 |
+3° feels like: +-1° |
A mix of sun and cloud
Relative humidity: 86%, pressure: 738 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
02:00 |
+2° feels like: +-2° |
A mix of sun and cloud
Relative humidity: 88%, pressure: 736 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
05:00 |
+6° feels like: +4° |
A mix of sun and cloud
Relative humidity: 89%, pressure: 734 mm Precipitations: 0.2 mm Wind: 7 km/h, southwest |
08:00 |
+7° feels like: +5° |
Light showers
Relative humidity: 92%, pressure: 735 mm Precipitations: 5.6 mm Wind: 7 km/h, west |
11:00 |
+7° feels like: +3° |
Overcast
Relative humidity: 88%, pressure: 738 mm Precipitations: 0.4 mm Wind: 18 km/h, north |
14:00 |
+4° feels like: +-1° |
Overcast
Relative humidity: 83%, pressure: 739 mm Precipitations: 0.0 mm Wind: 25 km/h, north |
17:00 |
+2° feels like: +-4° |
Overcast
Relative humidity: 84%, pressure: 741 mm Precipitations: 0.0 mm Wind: 29 km/h, north |
20:00 |
+1° feels like: +-5° |
Overcast
Relative humidity: 85%, pressure: 743 mm Precipitations: 0.0 mm Wind: 25 km/h, north |
23:00 |
+1° feels like: +-5° |
Mainly sunny
Relative humidity: 79%, pressure: 745 mm Precipitations: 0.0 mm Wind: 25 km/h, north |
02:00 |
0° feels like: -6° |
Mainly sunny
Relative humidity: 80%, pressure: 747 mm Precipitations: 0.0 mm Wind: 22 km/h, north |