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Sarnia, ON — 3 hour detailed weather forecast


ON, Canada » Sarnia


Forecast for today, Saturday, November 29, 2025
Detailed forecast - 3 hours intervals

01:00

Partly cloudy
-3°
feels like: -8°
Partly cloudy
Relative humidity: 63%, pressure: 755 mm
Precipitations: 0.0 mm
Wind: 14 km/h, west
04:00

A mix of sun and cloud
-4°
feels like: -9°
A mix of sun and cloud
Relative humidity: 67%, pressure: 755 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
07:00

Partly cloudy
-4°
feels like: -8°
Partly cloudy
Relative humidity: 76%, pressure: 756 mm
Precipitations: 0.0 mm
Wind: 7 km/h, southwest
10:00

Overcast
-2°
feels like: -5°
Overcast
Relative humidity: 57%, pressure: 757 mm
Precipitations: 0.0 mm
Wind: 7 km/h, southwest
13:00

Overcast

feels like: -5°
Overcast
Relative humidity: 47%, pressure: 756 mm
Precipitations: 0.0 mm
Wind: 11 km/h, south
16:00

Light snow
-1°
feels like: -6°
Light snow
Relative humidity: 60%, pressure: 754 mm
Precipitations: 0.3 mm
Wind: 11 km/h, south
19:00

Snow
-2°
feels like: -6°
Snow
Relative humidity: 71%, pressure: 752 mm
Precipitations: 0.4 mm
Wind: 11 km/h, southeast
22:00

Snow
-1°
feels like: -7°
Snow
Relative humidity: 83%, pressure: 749 mm
Precipitations: 1.3 mm
Wind: 18 km/h, southeast
01:00

Snow

feels like: -6°
Snow
Relative humidity: 89%, pressure: 746 mm
Precipitations: 2.9 mm
Wind: 22 km/h, southeast