Your local weather forecast for today
Cornwall, ON — 3 hour detailed weather forecast
ON, Canada » Cornwall
Forecast for today, Sunday, January 18, 2026
10:00 |
-5° feels like: -11° |
Clear
Relative humidity: 66%, pressure: 757 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
13:00 |
-4° feels like: -10° |
A mix of sun and cloud
Relative humidity: 64%, pressure: 756 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
16:00 |
-4° feels like: -9° |
Overcast
Relative humidity: 71%, pressure: 755 mm Precipitations: 0.0 mm Wind: 11 km/h, southwest |
19:00 |
-8° feels like: -12° |
Clear
Relative humidity: 84%, pressure: 754 mm Precipitations: 0.0 mm Wind: 7 km/h, southwest |
22:00 |
-12° feels like: -12° |
Clear
Relative humidity: 92%, pressure: 754 mm Precipitations: 0.0 mm Wind: 4 km/h, southwest |
01:00 |
-12° feels like: -12° |
Overcast
Relative humidity: 90%, pressure: 752 mm Precipitations: 0.0 mm Wind: 4 km/h, southwest |
04:00 |
-11° feels like: -15° |
Overcast
Relative humidity: 91%, pressure: 751 mm Precipitations: 0.0 mm Wind: 4 km/h, southwest |
07:00 |
-10° feels like: -14° |
Overcast
Relative humidity: 88%, pressure: 751 mm Precipitations: 0.1 mm Wind: 7 km/h, southwest |
10:00 |
-6° feels like: -12° |
Light snow
Relative humidity: 76%, pressure: 750 mm Precipitations: 0.2 mm Wind: 14 km/h, southwest |
13:00 |
-5° feels like: -11° |
Light snow
Relative humidity: 62%, pressure: 749 mm Precipitations: 0.2 mm Wind: 18 km/h, southwest |