Your local weather forecast for today
Cornwall, ON — 3 hour detailed weather forecast
ON, Canada » Cornwall
Forecast for today, Monday, December 15, 2025
04:00 |
-17° feels like: -24° |
Mainly sunny
Relative humidity: 80%, pressure: 762 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
07:00 |
-17° feels like: -25° |
Mainly sunny
Relative humidity: 81%, pressure: 762 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
10:00 |
-14° feels like: -22° |
Overcast
Relative humidity: 74%, pressure: 762 mm Precipitations: 0.0 mm Wind: 14 km/h, southwest |
13:00 |
-11° feels like: -18° |
A mix of sun and cloud
Relative humidity: 70%, pressure: 760 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
16:00 |
-10° feels like: -16° |
A mix of sun and cloud
Relative humidity: 75%, pressure: 759 mm Precipitations: 0.0 mm Wind: 11 km/h, southwest |
19:00 |
-9° feels like: -15° |
Light snow
Relative humidity: 79%, pressure: 758 mm Precipitations: 0.1 mm Wind: 11 km/h, southwest |
22:00 |
-9° feels like: -15° |
Light snow
Relative humidity: 87%, pressure: 757 mm Precipitations: 0.2 mm Wind: 14 km/h, southwest |
01:00 |
-9° feels like: -15° |
A mix of sun and cloud
Relative humidity: 84%, pressure: 757 mm Precipitations: 0.0 mm Wind: 11 km/h, southwest |
04:00 |
-10° feels like: -17° |
A mix of sun and cloud
Relative humidity: 82%, pressure: 758 mm Precipitations: 0.0 mm Wind: 14 km/h, southwest |