Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Friday, March 20, 2026
08:00 |
+4° feels like: +0° |
Overcast
Relative humidity: 85%, pressure: 740 mm Precipitations: 0.0 mm Wind: 14 km/h, southwest |
11:00 |
+7° feels like: +5° |
Rain
Relative humidity: 85%, pressure: 739 mm Precipitations: 5.4 mm Wind: 14 km/h, southwest |
14:00 |
+11° feels like: +11° |
Showers
Relative humidity: 78%, pressure: 738 mm Precipitations: 3.3 mm Wind: 14 km/h, west |
17:00 |
+6° feels like: +2° |
Clear
Relative humidity: 81%, pressure: 739 mm Precipitations: 0.0 mm Wind: 25 km/h, north |
20:00 |
+2° feels like: +-2° |
Clear
Relative humidity: 92%, pressure: 741 mm Precipitations: 0.0 mm Wind: 18 km/h, north |
23:00 |
+1° feels like: +-4° |
Clear
Relative humidity: 88%, pressure: 743 mm Precipitations: 0.0 mm Wind: 18 km/h, north |
02:00 |
0° feels like: -4° |
Clear
Relative humidity: 92%, pressure: 744 mm Precipitations: 0.0 mm Wind: 14 km/h, north |
05:00 |
0° feels like: -4° |
Overcast
Relative humidity: 92%, pressure: 744 mm Precipitations: 0.0 mm Wind: 7 km/h, northwest |
08:00 |
0° feels like: -3° |
A mix of sun and cloud
Relative humidity: 91%, pressure: 745 mm Precipitations: 0.0 mm Wind: 7 km/h, north |
11:00 |
+3° feels like: +0° |
Overcast
Relative humidity: 82%, pressure: 746 mm Precipitations: 0.0 mm Wind: 7 km/h, east |