Your local weather forecast for today
Sarnia, ON — 1 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Monday, April 20, 2026
14:00 |
+2° feels like: +-2° |
A mix of sun and cloud
Relative humidity: 52%, pressure: 755 mm Precipitations: 0.0 mm Wind: 14 km/h, north |
15:00 |
+2° feels like: +-2° |
Partly cloudy
Relative humidity: 53%, pressure: 754 mm Precipitations: 0.0 mm Wind: 14 km/h, north |
16:00 |
+2° feels like: +-2° |
Partly cloudy
Relative humidity: 54%, pressure: 754 mm Precipitations: 0.0 mm Wind: 14 km/h, northeast |
17:00 |
+3° feels like: +-1° |
Partly cloudy
Relative humidity: 54%, pressure: 753 mm Precipitations: 0.0 mm Wind: 14 km/h, northeast |
18:00 |
+3° feels like: +0° |
Partly cloudy
Relative humidity: 54%, pressure: 753 mm Precipitations: 0.0 mm Wind: 11 km/h, northeast |
19:00 |
+3° feels like: +0° |
Partly cloudy
Relative humidity: 55%, pressure: 753 mm Precipitations: 0.0 mm Wind: 11 km/h, northeast |
20:00 |
+2° feels like: +-1° |
Partly cloudy
Relative humidity: 60%, pressure: 753 mm Precipitations: 0.0 mm Wind: 7 km/h, east |
21:00 |
+1° feels like: +-2° |
Clear
Relative humidity: 64%, pressure: 753 mm Precipitations: 0.0 mm Wind: 11 km/h, east |
22:00 |
+1° feels like: +-3° |
Clear
Relative humidity: 62%, pressure: 753 mm Precipitations: 0.0 mm Wind: 11 km/h, east |
23:00 |
0° feels like: -4° |
Clear
Relative humidity: 64%, pressure: 752 mm Precipitations: 0.0 mm Wind: 14 km/h, southeast |
00:00 |
0° feels like: -5° |
Mainly sunny
Relative humidity: 71%, pressure: 752 mm Precipitations: 0.0 mm Wind: 14 km/h, southeast |
01:00 |
0° feels like: -4° |
Mainly sunny
Relative humidity: 72%, pressure: 752 mm Precipitations: 0.0 mm Wind: 14 km/h, southeast |
02:00 |
+1° feels like: +-4° |
Mainly sunny
Relative humidity: 76%, pressure: 752 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
03:00 |
+1° feels like: +-4° |
Overcast
Relative humidity: 76%, pressure: 751 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
04:00 |
+2° feels like: +-3° |
Overcast
Relative humidity: 75%, pressure: 751 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
05:00 |
+3° feels like: +-1° |
Overcast
Relative humidity: 70%, pressure: 751 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
06:00 |
+3° feels like: +-1° |
A mix of sun and cloud
Relative humidity: 70%, pressure: 750 mm Precipitations: 0.0 mm Wind: 18 km/h, south |
07:00 |
+4° feels like: +0° |
A mix of sun and cloud
Relative humidity: 70%, pressure: 750 mm Precipitations: 0.0 mm Wind: 18 km/h, south |
08:00 |
+5° feels like: +1° |
A mix of sun and cloud
Relative humidity: 74%, pressure: 749 mm Precipitations: 0.0 mm Wind: 18 km/h, south |
09:00 |
+6° feels like: +2° |
Overcast
Relative humidity: 74%, pressure: 749 mm Precipitations: 0.3 mm Wind: 22 km/h, south |
10:00 |
+8° feels like: +4° |
Light showers
Relative humidity: 72%, pressure: 748 mm Precipitations: 0.1 mm Wind: 22 km/h, south |
11:00 |
+8° feels like: +4° |
Overcast
Relative humidity: 72%, pressure: 748 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
12:00 |
+9° feels like: +6° |
Clear
Relative humidity: 66%, pressure: 747 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
13:00 |
+11° feels like: +11° |
Clear
Relative humidity: 61%, pressure: 746 mm Precipitations: 0.0 mm Wind: 25 km/h, south |
14:00 |
+14° feels like: +14° |
Clear
Relative humidity: 58%, pressure: 745 mm Precipitations: 0.0 mm Wind: 25 km/h, south |