Your local weather forecast for today
Sarnia, ON — 1 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Saturday, October 18, 2025
15:00 |
+24° feels like: +24° |
A mix of sun and cloud
Relative humidity: 54%, pressure: 738 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
16:00 |
+24° feels like: +24° |
A mix of sun and cloud
Relative humidity: 54%, pressure: 738 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
17:00 |
+24° feels like: +24° |
A mix of sun and cloud
Relative humidity: 55%, pressure: 738 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
18:00 |
+23° feels like: +23° |
A mix of sun and cloud
Relative humidity: 59%, pressure: 738 mm Precipitations: 0.0 mm Wind: 18 km/h, south |
19:00 |
+22° feels like: +22° |
A mix of sun and cloud
Relative humidity: 64%, pressure: 738 mm Precipitations: 0.2 mm Wind: 14 km/h, south |
20:00 |
+19° feels like: +19° |
Light showers
Relative humidity: 79%, pressure: 739 mm Precipitations: 0.2 mm Wind: 11 km/h, south |
21:00 |
+18° feels like: +18° |
Overcast
Relative humidity: 84%, pressure: 739 mm Precipitations: 0.0 mm Wind: 11 km/h, south |
22:00 |
+18° feels like: +18° |
Showers
Relative humidity: 87%, pressure: 738 mm Precipitations: 0.0 mm Wind: 11 km/h, south |
23:00 |
+17° feels like: +17° |
Showers
Relative humidity: 91%, pressure: 738 mm Precipitations: 1.4 mm Wind: 11 km/h, south |
00:00 |
+17° feels like: +17° |
Showers
Relative humidity: 93%, pressure: 738 mm Precipitations: 0.4 mm Wind: 11 km/h, south |
01:00 |
+17° feels like: +17° |
Showers
Relative humidity: 93%, pressure: 737 mm Precipitations: 0.2 mm Wind: 14 km/h, south |
02:00 |
+17° feels like: +17° |
Showers
Relative humidity: 93%, pressure: 736 mm Precipitations: 0.5 mm Wind: 14 km/h, south |
03:00 |
+17° feels like: +17° |
Showers
Relative humidity: 93%, pressure: 735 mm Precipitations: 1.6 mm Wind: 18 km/h, south |
04:00 |
+17° feels like: +17° |
Showers
Relative humidity: 92%, pressure: 734 mm Precipitations: 0.2 mm Wind: 22 km/h, south |
05:00 |
+17° feels like: +17° |
Showers
Relative humidity: 91%, pressure: 733 mm Precipitations: 0.6 mm Wind: 22 km/h, south |
06:00 |
+17° feels like: +17° |
Rain
Relative humidity: 90%, pressure: 732 mm Precipitations: 1.2 mm Wind: 25 km/h, south |
07:00 |
+18° feels like: +18° |
Rain
Relative humidity: 86%, pressure: 731 mm Precipitations: 0.3 mm Wind: 29 km/h, south |
08:00 |
+18° feels like: +18° |
Rain
Relative humidity: 83%, pressure: 730 mm Precipitations: 0.8 mm Wind: 32 km/h, south |
09:00 |
+19° feels like: +19° |
Rain
Relative humidity: 83%, pressure: 730 mm Precipitations: 2.1 mm Wind: 32 km/h, south |
10:00 |
+19° feels like: +19° |
Rain
Relative humidity: 77%, pressure: 730 mm Precipitations: 1.4 mm Wind: 32 km/h, south |
11:00 |
+20° feels like: +20° |
Rain
Relative humidity: 72%, pressure: 730 mm Precipitations: 0.6 mm Wind: 32 km/h, south |
12:00 |
+20° feels like: +20° |
Light showers
Relative humidity: 77%, pressure: 730 mm Precipitations: 0.1 mm Wind: 29 km/h, southwest |
13:00 |
+18° feels like: +18° |
Light showers
Relative humidity: 80%, pressure: 730 mm Precipitations: 0.1 mm Wind: 25 km/h, southwest |
14:00 |
+17° feels like: +17° |
Light showers
Relative humidity: 80%, pressure: 731 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
15:00 |
+17° feels like: +17° |
Showers
Relative humidity: 80%, pressure: 732 mm Precipitations: 0.1 mm Wind: 22 km/h, west |