Your local weather forecast for today
Sarnia, ON — 3 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Sunday, October 19, 2025
17:00 |
+15° feels like: +15° |
Rain
Relative humidity: 88%, pressure: 731 mm Precipitations: 1.7 mm Wind: 14 km/h, west |
20:00 |
+12° feels like: +12° |
Rain
Relative humidity: 90%, pressure: 735 mm Precipitations: 5.9 mm Wind: 25 km/h, northwest |
23:00 |
+10° feels like: +10° |
Light showers
Relative humidity: 84%, pressure: 738 mm Precipitations: 3.0 mm Wind: 25 km/h, northwest |
02:00 |
+10° feels like: +10° |
Overcast
Relative humidity: 82%, pressure: 740 mm Precipitations: 0.2 mm Wind: 22 km/h, west |
05:00 |
+9° feels like: +6° |
Clear
Relative humidity: 84%, pressure: 741 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
08:00 |
+8° feels like: +5° |
Clear
Relative humidity: 85%, pressure: 743 mm Precipitations: 0.0 mm Wind: 14 km/h, west |
11:00 |
+12° feels like: +12° |
Clear
Relative humidity: 66%, pressure: 744 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
14:00 |
+14° feels like: +14° |
Partly cloudy
Relative humidity: 51%, pressure: 744 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
17:00 |
+14° feels like: +14° |
Clear
Relative humidity: 51%, pressure: 743 mm Precipitations: 0.0 mm Wind: 14 km/h, west |
20:00 |
+11° feels like: +11° |
Clear
Relative humidity: 70%, pressure: 742 mm Precipitations: 0.0 mm Wind: 7 km/h, south |