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Cornwall, ON — 3 hour detailed weather forecast


ON, Canada » Cornwall


Forecast for today, Thursday, March 12, 2026
Detailed forecast - 3 hours intervals

05:00

Snow showers
+2°
feels like: +-4°
Snow showers
Relative humidity: 90%, pressure: 745 mm
Precipitations: 1.5 mm
Wind: 29 km/h, southwest
08:00

Overcast
-1°
feels like: -7°
Overcast
Relative humidity: 77%, pressure: 748 mm
Precipitations: 0.1 mm
Wind: 25 km/h, west
11:00

Overcast
-3°
feels like: -9°
Overcast
Relative humidity: 62%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 25 km/h, west
14:00

A mix of sun and cloud
-2°
feels like: -9°
A mix of sun and cloud
Relative humidity: 48%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 25 km/h, west
17:00

Sunny
-2°
feels like: -8°
Clear
Relative humidity: 47%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 22 km/h, west
20:00

Sunny
-3°
feels like: -8°
Clear
Relative humidity: 57%, pressure: 753 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
23:00

A mix of sun and cloud
-5°
feels like: -10°
A mix of sun and cloud
Relative humidity: 64%, pressure: 755 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
02:00

Clear
-6°
feels like: -11°
Clear
Relative humidity: 70%, pressure: 756 mm
Precipitations: 0.0 mm
Wind: 7 km/h, west
05:00

Sunny
-8°
feels like: -11°
Clear
Relative humidity: 72%, pressure: 756 mm
Precipitations: 0.0 mm
Wind: 4 km/h, west