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Cornwall, ON — 3 hour detailed weather forecast


ON, Canada » Cornwall


Forecast for today, Friday, October 17, 2025
Detailed forecast - 3 hours intervals

08:00

Partly cloudy

feels like: 0°
Partly cloudy
Relative humidity: 91%, pressure: 759 mm
Precipitations: 0.0 mm
Wind: 4 km/h, west
11:00

A mix of sun and cloud
+9°
feels like: +8°
A mix of sun and cloud
Relative humidity: 61%, pressure: 759 mm
Precipitations: 0.0 mm
Wind: 4 km/h, west
14:00

Partly cloudy
+12°
feels like: +12°
Partly cloudy
Relative humidity: 43%, pressure: 757 mm
Precipitations: 0.0 mm
Wind: 7 km/h, west
17:00

A mix of sun and cloud
+12°
feels like: +12°
A mix of sun and cloud
Relative humidity: 47%, pressure: 756 mm
Precipitations: 0.0 mm
Wind: 4 km/h, west
20:00

A mix of sun and cloud
+6°
feels like: +6°
A mix of sun and cloud
Relative humidity: 72%, pressure: 756 mm
Precipitations: 0.0 mm
Wind: 0 km/h, southwest
23:00

Mainly sunny
+3°
feels like: +2°
Mainly sunny
Relative humidity: 85%, pressure: 756 mm
Precipitations: 0.0 mm
Wind: 4 km/h, south
02:00

Overcast
+2°
feels like: +0°
Overcast
Relative humidity: 86%, pressure: 756 mm
Precipitations: 0.0 mm
Wind: 4 km/h, south
05:00

A mix of sun and cloud
+4°
feels like: +3°
A mix of sun and cloud
Relative humidity: 82%, pressure: 756 mm
Precipitations: 0.0 mm
Wind: 4 km/h, south
08:00

Overcast
+5°
feels like: +3°
Overcast
Relative humidity: 86%, pressure: 756 mm
Precipitations: 0.0 mm
Wind: 4 km/h, south