Your local weather forecast for today
Cornwall, ON — 3 hour detailed weather forecast
ON, Canada » Cornwall
Forecast for today, Sunday, December 21, 2025
22:00 |
+2° feels like: +-4° |
Light snow
Relative humidity: 50%, pressure: 748 mm Precipitations: 0.3 mm Wind: 22 km/h, southwest |
01:00 |
0° feels like: -6° |
Mainly sunny
Relative humidity: 58%, pressure: 747 mm Precipitations: 0.1 mm Wind: 25 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 |
07:00 |
-2° feels like: -9° |
Clear
Relative humidity: 62%, pressure: 752 mm Precipitations: 0.3 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 |
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 |
16:00 |
-3° feels like: -10° |
Overcast
Relative humidity: 58%, pressure: 759 mm Precipitations: 0.0 mm Wind: 22 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 |
22:00 |
-9° feels like: -16° |
Clear
Relative humidity: 64%, pressure: 765 mm Precipitations: 0.0 mm Wind: 14 km/h, west |