Your local weather forecast for today
Cornwall, ON — 3 hour detailed weather forecast
ON, Canada » Cornwall
Forecast for today, Friday, June 19, 2026
17:00 |
+18° feels like: +18° |
Showers
Relative humidity: 92%, pressure: 745 mm Precipitations: 6.0 mm Wind: 18 km/h, west |
20:00 |
+18° feels like: +18° |
Rain
Relative humidity: 92%, pressure: 746 mm Precipitations: 2.7 mm Wind: 18 km/h, west |
23:00 |
+15° feels like: +15° |
Showers
Relative humidity: 96%, pressure: 746 mm Precipitations: 3.8 mm Wind: 18 km/h, west |
02:00 |
+15° feels like: +15° |
Light showers
Relative humidity: 97%, pressure: 746 mm Precipitations: 0.4 mm Wind: 18 km/h, west |
05:00 |
+14° feels like: +14° |
Overcast
Relative humidity: 99%, pressure: 747 mm Precipitations: 2.0 mm Wind: 14 km/h, west |
08:00 |
+16° feels like: +16° |
Overcast
Relative humidity: 92%, pressure: 748 mm Precipitations: 0.1 mm Wind: 18 km/h, west |
11:00 |
+18° feels like: +18° |
Light showers
Relative humidity: 83%, pressure: 748 mm Precipitations: 0.4 mm Wind: 14 km/h, west |
14:00 |
+21° feels like: +21° |
Light showers
Relative humidity: 70%, pressure: 748 mm Precipitations: 0.3 mm Wind: 14 km/h, west |
17:00 |
+20° feels like: +20° |
Chance of thunderstorms
Relative humidity: 89%, pressure: 748 mm Precipitations: 3.7 mm Wind: 18 km/h, southwest |