Weather.Knopka.ca
Your local weather forecast for today

Cornwall, ON — 3 hour detailed weather forecast


ON, Canada » Cornwall


Forecast for today, Saturday, February 21, 2026
Detailed forecast - 3 hours intervals

04:00

Snow
-7°
feels like: -14°
Snow
Relative humidity: 84%, pressure: 750 mm
Precipitations: 0.7 mm
Wind: 22 km/h, northeast
07:00

Light snow
-8°
feels like: -15°
Light snow
Relative humidity: 79%, pressure: 754 mm
Precipitations: 0.2 mm
Wind: 18 km/h, northeast
10:00

Overcast
-8°
feels like: -16°
Overcast
Relative humidity: 74%, pressure: 756 mm
Precipitations: 0.0 mm
Wind: 18 km/h, northeast
13:00

Overcast
-7°
feels like: -13°
Overcast
Relative humidity: 64%, pressure: 758 mm
Precipitations: 0.0 mm
Wind: 14 km/h, northeast
16:00

Mainly sunny
-6°
feels like: -12°
Mainly sunny
Relative humidity: 66%, pressure: 759 mm
Precipitations: 0.0 mm
Wind: 14 km/h, northeast
19:00

Mainly sunny
-10°
feels like: -16°
Mainly sunny
Relative humidity: 79%, pressure: 759 mm
Precipitations: 0.0 mm
Wind: 11 km/h, northeast
22:00

Overcast
-11°
feels like: -18°
Overcast
Relative humidity: 77%, pressure: 760 mm
Precipitations: 0.0 mm
Wind: 14 km/h, northeast
01:00

Overcast
-11°
feels like: -18°
Overcast
Relative humidity: 80%, pressure: 759 mm
Precipitations: 0.0 mm
Wind: 14 km/h, northeast
04:00

Snow
-10°
feels like: -17°
Snow
Relative humidity: 84%, pressure: 759 mm
Precipitations: 0.5 mm
Wind: 14 km/h, northeast