Your local weather forecast for today
Cornwall, ON — 1 hour detailed weather forecast
ON, Canada » Cornwall
Forecast for today, Sunday, December 21, 2025
23:00 |
+1° feels like: +-4° |
Mainly sunny
Relative humidity: 50%, pressure: 748 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
00:00 |
+1° feels like: +-5° |
Mainly sunny
Relative humidity: 54%, pressure: 747 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
01:00 |
0° feels like: -6° |
Mainly sunny
Relative humidity: 58%, pressure: 747 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
02:00 |
+1° feels like: +-5° |
A mix of sun and cloud
Relative humidity: 63%, pressure: 747 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
03:00 |
+1° feels like: +-5° |
A mix of sun and cloud
Relative humidity: 72%, pressure: 747 mm Precipitations: 0.0 mm Wind: 29 km/h, southwest |
04:00 |
+1° feels like: +-5° |
A mix of sun and cloud
Relative humidity: 72%, pressure: 747 mm Precipitations: 0.0 mm Wind: 29 km/h, southwest |
05:00 |
+1° feels like: +-6° |
Clear
Relative humidity: 70%, pressure: 749 mm Precipitations: 0.1 mm Wind: 29 km/h, southwest |
06:00 |
-1° feels like: -8° |
Light snow
Relative humidity: 66%, pressure: 750 mm Precipitations: 0.2 mm Wind: 29 km/h, west |
07:00 |
-2° feels like: -9° |
Clear
Relative humidity: 62%, pressure: 752 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
08:00 |
-3° feels like: -10° |
Overcast
Relative humidity: 65%, pressure: 753 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
09:00 |
-3° feels like: -10° |
Overcast
Relative humidity: 64%, pressure: 754 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
10:00 |
-2° feels like: -9° |
Overcast
Relative humidity: 57%, pressure: 755 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
11:00 |
-3° feels like: -10° |
A mix of sun and cloud
Relative humidity: 56%, pressure: 755 mm Precipitations: 0.0 mm Wind: 29 km/h, west |
12:00 |
-3° feels like: -10° |
A mix of sun and cloud
Relative humidity: 54%, pressure: 756 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
13:00 |
-2° feels like: -9° |
A mix of sun and cloud
Relative humidity: 51%, pressure: 756 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
14:00 |
-2° feels like: -9° |
Overcast
Relative humidity: 51%, pressure: 757 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
15:00 |
-3° feels like: -9° |
Overcast
Relative humidity: 53%, pressure: 758 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
16:00 |
-3° feels like: -10° |
Overcast
Relative humidity: 58%, pressure: 759 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
17:00 |
-4° feels like: -11° |
Partly cloudy
Relative humidity: 58%, pressure: 760 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
18:00 |
-6° feels like: -12° |
Partly cloudy
Relative humidity: 60%, pressure: 761 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
19:00 |
-6° feels like: -13° |
Partly cloudy
Relative humidity: 60%, pressure: 763 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
20:00 |
-7° feels like: -14° |
Clear
Relative humidity: 62%, pressure: 764 mm Precipitations: 0.0 mm Wind: 14 km/h, west |
21:00 |
-8° feels like: -15° |
Clear
Relative humidity: 63%, pressure: 764 mm Precipitations: 0.0 mm Wind: 14 km/h, west |
22:00 |
-9° feels like: -16° |
Clear
Relative humidity: 64%, pressure: 765 mm Precipitations: 0.0 mm Wind: 14 km/h, west |
23:00 |
-10° feels like: -16° |
Clear
Relative humidity: 66%, pressure: 766 mm Precipitations: 0.0 mm Wind: 11 km/h, west |