Your local weather forecast for today
Sarnia, ON — 1 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Thursday, March 12, 2026
18:00 |
+1° feels like: +-4° |
Clear
Relative humidity: 49%, pressure: 745 mm Precipitations: 0.0 mm Wind: 14 km/h, northwest |
19:00 |
+1° feels like: +-3° |
Clear
Relative humidity: 56%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, northwest |
20:00 |
0° feels like: -3° |
Clear
Relative humidity: 61%, pressure: 745 mm Precipitations: 0.0 mm Wind: 7 km/h, northwest |
21:00 |
-1° feels like: -4° |
A mix of sun and cloud
Relative humidity: 62%, pressure: 745 mm Precipitations: 0.0 mm Wind: 7 km/h, northwest |
22:00 |
-1° feels like: -5° |
A mix of sun and cloud
Relative humidity: 62%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
23:00 |
-1° feels like: -5° |
A mix of sun and cloud
Relative humidity: 62%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
00:00 |
-1° feels like: -5° |
Overcast
Relative humidity: 63%, pressure: 745 mm Precipitations: 0.0 mm Wind: 7 km/h, southwest |
01:00 |
-2° feels like: -6° |
Overcast
Relative humidity: 69%, pressure: 744 mm Precipitations: 0.0 mm Wind: 7 km/h, southwest |
02:00 |
-2° feels like: -5° |
Overcast
Relative humidity: 69%, pressure: 744 mm Precipitations: 0.0 mm Wind: 7 km/h, south |
03:00 |
-2° feels like: -6° |
Overcast
Relative humidity: 69%, pressure: 743 mm Precipitations: 0.0 mm Wind: 11 km/h, south |
04:00 |
-1° feels like: -6° |
Overcast
Relative humidity: 68%, pressure: 741 mm Precipitations: 0.0 mm Wind: 14 km/h, southeast |
05:00 |
0° feels like: -6° |
Overcast
Relative humidity: 66%, pressure: 740 mm Precipitations: 0.1 mm Wind: 18 km/h, southeast |
06:00 |
0° feels like: -6° |
Snow
Relative humidity: 66%, pressure: 739 mm Precipitations: 0.3 mm Wind: 22 km/h, southeast |
07:00 |
0° feels like: -6° |
Snow
Relative humidity: 72%, pressure: 737 mm Precipitations: 0.4 mm Wind: 25 km/h, southeast |
08:00 |
0° feels like: -6° |
Snow
Relative humidity: 78%, pressure: 736 mm Precipitations: 0.7 mm Wind: 29 km/h, southeast |
09:00 |
+1° feels like: +-6° |
Snow and Rain
Relative humidity: 78%, pressure: 734 mm Precipitations: 1.4 mm Wind: 29 km/h, south |
10:00 |
+2° feels like: +-4° |
Snow and Rain
Relative humidity: 78%, pressure: 732 mm Precipitations: 1.2 mm Wind: 29 km/h, south |
11:00 |
+4° feels like: +-2° |
Rain
Relative humidity: 72%, pressure: 730 mm Precipitations: 0.3 mm Wind: 25 km/h, south |
12:00 |
+5° feels like: +0° |
Showers
Relative humidity: 72%, pressure: 730 mm Precipitations: 0.4 mm Wind: 25 km/h, south |
13:00 |
+5° feels like: +0° |
Showers
Relative humidity: 73%, pressure: 729 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
14:00 |
+5° feels like: +0° |
Showers
Relative humidity: 85%, pressure: 729 mm Precipitations: 0.5 mm Wind: 25 km/h, southwest |
15:00 |
+4° feels like: +-1° |
Light showers
Relative humidity: 80%, pressure: 729 mm Precipitations: 0.3 mm Wind: 29 km/h, southwest |
16:00 |
+4° feels like: +-2° |
Light showers
Relative humidity: 77%, pressure: 729 mm Precipitations: 0.2 mm Wind: 32 km/h, southwest |
17:00 |
+4° feels like: +-2° |
Light showers
Relative humidity: 74%, pressure: 730 mm Precipitations: 0.1 mm Wind: 36 km/h, southwest |
18:00 |
+3° feels like: +-3° |
Snow showers
Relative humidity: 80%, pressure: 731 mm Precipitations: 0.3 mm Wind: 36 km/h, west |