Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Tuesday, November 18, 2025
04:00 |
-5° feels like: -9° |
Clear
Relative humidity: 79%, pressure: 748 mm Precipitations: 0.0 mm Wind: 7 km/h, northwest |
07:00 |
-4° feels like: -4° |
A mix of sun and cloud
Relative humidity: 78%, pressure: 748 mm Precipitations: 0.0 mm Wind: 4 km/h, northwest |
10:00 |
+1° feels like: +-1° |
Overcast
Relative humidity: 64%, pressure: 749 mm Precipitations: 0.0 mm Wind: 4 km/h, north |
13:00 |
+4° feels like: +2° |
Overcast
Relative humidity: 55%, pressure: 748 mm Precipitations: 0.0 mm Wind: 4 km/h, east |
16:00 |
+4° feels like: +2° |
Overcast
Relative humidity: 60%, pressure: 747 mm Precipitations: 0.1 mm Wind: 4 km/h, northeast |
19:00 |
+3° feels like: +1° |
Overcast
Relative humidity: 69%, pressure: 747 mm Precipitations: 0.1 mm Wind: 7 km/h, northeast |
22:00 |
+3° feels like: +3° |
A mix of sun and cloud
Relative humidity: 74%, pressure: 748 mm Precipitations: 0.0 mm Wind: 4 km/h, northeast |
01:00 |
+1° feels like: +-1° |
Clear
Relative humidity: 79%, pressure: 748 mm Precipitations: 0.0 mm Wind: 7 km/h, northeast |
04:00 |
0° feels like: -3° |
Mainly sunny
Relative humidity: 79%, pressure: 749 mm Precipitations: 0.0 mm Wind: 7 km/h, east |