Your local weather forecast for today
Sarnia, ON — 1 hour detailed weather forecast
ON, Canada » Sarnia
Forecast for today, Tuesday, April 21, 2026
03:00 |
+1° feels like: +-3° |
A mix of sun and cloud
Relative humidity: 74%, pressure: 751 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
04:00 |
+2° feels like: +-3° |
A mix of sun and cloud
Relative humidity: 74%, pressure: 751 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
05:00 |
+2° feels like: +-2° |
A mix of sun and cloud
Relative humidity: 69%, pressure: 750 mm Precipitations: 0.0 mm Wind: 14 km/h, south |
06:00 |
+3° feels like: +-1° |
A mix of sun and cloud
Relative humidity: 69%, pressure: 750 mm Precipitations: 0.0 mm Wind: 18 km/h, south |
07:00 |
+3° feels like: +-1° |
A mix of sun and cloud
Relative humidity: 69%, pressure: 750 mm Precipitations: 0.0 mm Wind: 18 km/h, south |
08:00 |
+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 |
09:00 |
+5° feels like: +1° |
Mainly sunny
Relative humidity: 70%, pressure: 749 mm Precipitations: 0.2 mm Wind: 22 km/h, south |
10:00 |
+7° feels like: +4° |
Mainly sunny
Relative humidity: 65%, pressure: 748 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
11:00 |
+8° feels like: +4° |
Mainly sunny
Relative humidity: 65%, pressure: 748 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
12:00 |
+10° feels like: +7° |
Clear
Relative humidity: 60%, pressure: 747 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
13:00 |
+12° feels like: +12° |
Clear
Relative humidity: 55%, pressure: 746 mm Precipitations: 0.0 mm Wind: 25 km/h, south |
14:00 |
+13° feels like: +13° |
Clear
Relative humidity: 54%, pressure: 745 mm Precipitations: 0.0 mm Wind: 25 km/h, south |
15:00 |
+15° feels like: +15° |
A mix of sun and cloud
Relative humidity: 56%, pressure: 745 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
16:00 |
+16° feels like: +16° |
A mix of sun and cloud
Relative humidity: 58%, pressure: 744 mm Precipitations: 0.0 mm Wind: 18 km/h, south |
17:00 |
+16° feels like: +16° |
A mix of sun and cloud
Relative humidity: 58%, pressure: 743 mm Precipitations: 0.1 mm Wind: 18 km/h, southwest |
18:00 |
+15° feels like: +15° |
Clear
Relative humidity: 69%, pressure: 743 mm Precipitations: 2.4 mm Wind: 14 km/h, south |
19:00 |
+15° feels like: +15° |
Clear
Relative humidity: 76%, pressure: 743 mm Precipitations: 0.0 mm Wind: 11 km/h, south |
20:00 |
+14° feels like: +14° |
Clear
Relative humidity: 78%, pressure: 742 mm Precipitations: 0.0 mm Wind: 7 km/h, south |
21:00 |
+12° feels like: +12° |
Mainly sunny
Relative humidity: 84%, pressure: 742 mm Precipitations: 0.0 mm Wind: 7 km/h, south |
22:00 |
+11° feels like: +11° |
Mainly sunny
Relative humidity: 85%, pressure: 742 mm Precipitations: 0.0 mm Wind: 7 km/h, southwest |
23:00 |
+11° feels like: +11° |
Mainly sunny
Relative humidity: 87%, pressure: 743 mm Precipitations: 0.0 mm Wind: 7 km/h, southwest |
00:00 |
+10° feels like: +10° |
Clear
Relative humidity: 90%, pressure: 743 mm Precipitations: 0.0 mm Wind: 7 km/h, southwest |
01:00 |
+10° feels like: +10° |
Clear
Relative humidity: 93%, pressure: 743 mm Precipitations: 0.0 mm Wind: 7 km/h, west |
02:00 |
+10° feels like: +8° |
Clear
Relative humidity: 95%, pressure: 743 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
03:00 |
+9° feels like: +8° |
Clear
Relative humidity: 93%, pressure: 743 mm Precipitations: 0.0 mm Wind: 7 km/h, northwest |