Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Friday, October 31, 2025
08:00 |
+5° feels like: +1° |
Overcast
Relative humidity: 87%, pressure: 736 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
11:00 |
+8° feels like: +4° |
A mix of sun and cloud
Relative humidity: 72%, pressure: 737 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
14:00 |
+11° feels like: +11° |
Mainly sunny
Relative humidity: 50%, pressure: 737 mm Precipitations: 0.0 mm Wind: 29 km/h, northwest |
17:00 |
+11° feels like: +11° |
A mix of sun and cloud
Relative humidity: 58%, pressure: 738 mm Precipitations: 0.0 mm Wind: 25 km/h, northwest |
20:00 |
+8° feels like: +6° |
Overcast
Relative humidity: 72%, pressure: 740 mm Precipitations: 0.0 mm Wind: 14 km/h, west |
23:00 |
+7° feels like: +4° |
A mix of sun and cloud
Relative humidity: 81%, pressure: 741 mm Precipitations: 0.1 mm Wind: 11 km/h, northwest |
02:00 |
+6° feels like: +4° |
A mix of sun and cloud
Relative humidity: 79%, pressure: 742 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
05:00 |
+5° feels like: +2° |
Overcast
Relative humidity: 91%, pressure: 743 mm Precipitations: 0.0 mm Wind: 7 km/h, west |
08:00 |
+5° feels like: +2° |
A mix of sun and cloud
Relative humidity: 90%, pressure: 744 mm Precipitations: 0.0 mm Wind: 7 km/h, northwest |
11:00 |
+8° feels like: +6° |
Partly cloudy
Relative humidity: 71%, pressure: 746 mm Precipitations: 0.0 mm Wind: 11 km/h, northwest |