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Cornwall, ON — 3 hour detailed weather forecast


ON, Canada » Cornwall


Forecast for today, Friday, December 19, 2025
Detailed forecast - 3 hours intervals

13:00

Rain
+6°
feels like: +2°
Rain
Relative humidity: 96%, pressure: 737 mm
Precipitations: 5.2 mm
Wind: 22 km/h, southwest
16:00

Light showers
+4°
feels like: +-1°
Light showers
Relative humidity: 92%, pressure: 736 mm
Precipitations: 0.4 mm
Wind: 25 km/h, southwest
19:00

Snow
+2°
feels like: +-5°
Snow
Relative humidity: 71%, pressure: 739 mm
Precipitations: 0.4 mm
Wind: 32 km/h, southwest
22:00

Light snow

feels like: -7°
Light snow
Relative humidity: 73%, pressure: 744 mm
Precipitations: 0.4 mm
Wind: 29 km/h, west
01:00

Overcast
-4°
feels like: -12°
Overcast
Relative humidity: 49%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 29 km/h, west
04:00

Clear
-6°
feels like: -13°
Clear
Relative humidity: 52%, pressure: 756 mm
Precipitations: 0.0 mm
Wind: 22 km/h, west
07:00

Mainly sunny
-7°
feels like: -12°
Mainly sunny
Relative humidity: 60%, pressure: 758 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
10:00

A mix of sun and cloud
-5°
feels like: -10°
A mix of sun and cloud
Relative humidity: 48%, pressure: 759 mm
Precipitations: 0.0 mm
Wind: 7 km/h, southwest
13:00

Overcast
-4°
feels like: -8°
Overcast
Relative humidity: 38%, pressure: 757 mm
Precipitations: 0.0 mm
Wind: 11 km/h, south