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Cornwall, ON — 3 hour detailed weather forecast


ON, Canada » Cornwall


Forecast for today, Friday, March 13, 2026
Detailed forecast - 3 hours intervals

14:00

Overcast

feels like: -3°
Overcast
Relative humidity: 43%, pressure: 754 mm
Precipitations: 0.0 mm
Wind: 11 km/h, southwest
17:00

Overcast
+1°
feels like: +-2°
Overcast
Relative humidity: 51%, pressure: 750 mm
Precipitations: 0.1 mm
Wind: 11 km/h, southeast
20:00

Snow

feels like: -5°
Snow
Relative humidity: 70%, pressure: 748 mm
Precipitations: 0.6 mm
Wind: 14 km/h, east
23:00

Snow
-1°
feels like: -6°
Snow
Relative humidity: 82%, pressure: 746 mm
Precipitations: 1.2 mm
Wind: 18 km/h, east
02:00

Snow

feels like: -2°
Snow
Relative humidity: 90%, pressure: 743 mm
Precipitations: 2.4 mm
Wind: 4 km/h, east
05:00

Snow showers
+1°
feels like: +-4°
Snow showers
Relative humidity: 94%, pressure: 743 mm
Precipitations: 1.2 mm
Wind: 18 km/h, southwest
08:00

Snow showers

feels like: -4°
Snow showers
Relative humidity: 95%, pressure: 745 mm
Precipitations: 1.4 mm
Wind: 14 km/h, southwest
11:00

Snow
+1°
feels like: +-4°
Snow
Relative humidity: 89%, pressure: 748 mm
Precipitations: 0.9 mm
Wind: 18 km/h, northwest
14:00

Light snow
+1°
feels like: +-5°
Light snow
Relative humidity: 77%, pressure: 753 mm
Precipitations: 0.3 mm
Wind: 25 km/h, west
17:00

Light snow
-1°
feels like: -6°
Light snow
Relative humidity: 74%, pressure: 757 mm
Precipitations: 0.2 mm
Wind: 22 km/h, west