Your local weather forecast for today
Cornwall, ON — 3 hour detailed weather forecast
ON, Canada » Cornwall
Forecast for today, Monday, May 18, 2026
08:00 |
+12° feels like: +12° |
Rain
Relative humidity: 91%, pressure: 760 mm Precipitations: 4.9 mm Wind: 14 km/h, northeast |
11:00 |
+16° feels like: +16° |
Showers
Relative humidity: 80%, pressure: 758 mm Precipitations: 0.1 mm Wind: 7 km/h, northeast |
14:00 |
+22° feels like: +22° |
Clear
Relative humidity: 68%, pressure: 756 mm Precipitations: 0.0 mm Wind: 14 km/h, southwest |
17:00 |
+25° feels like: +25° |
Clear
Relative humidity: 64%, pressure: 756 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
20:00 |
+24° feels like: +24° |
Clear
Relative humidity: 74%, pressure: 755 mm Precipitations: 0.0 mm Wind: 18 km/h, southwest |
23:00 |
+21° feels like: +22° |
Clear
Relative humidity: 80%, pressure: 756 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
02:00 |
+20° feels like: +20° |
Partly cloudy
Relative humidity: 83%, pressure: 756 mm Precipitations: 0.0 mm Wind: 14 km/h, southwest |
05:00 |
+19° feels like: +19° |
Partly cloudy
Relative humidity: 86%, pressure: 756 mm Precipitations: 0.0 mm Wind: 14 km/h, southwest |
08:00 |
+21° feels like: +22° |
Mainly sunny
Relative humidity: 83%, pressure: 756 mm Precipitations: 0.5 mm Wind: 14 km/h, west |
11:00 |
+24° feels like: +24° |
Partly cloudy
Relative humidity: 75%, pressure: 756 mm Precipitations: 2.3 mm Wind: 22 km/h, southwest |