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Sarnia, ON — 3 hour detailed weather forecast


ON, Canada » Sarnia


Forecast for today, Saturday, December 6, 2025
Detailed forecast - 3 hours intervals

16:00

Overcast

feels like: -5°
Overcast
Relative humidity: 67%, pressure: 743 mm
Precipitations: 0.0 mm
Wind: 14 km/h, west
19:00

Overcast

feels like: -4°
Overcast
Relative humidity: 73%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
22:00

Overcast
-1°
feels like: -5°
Overcast
Relative humidity: 69%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
01:00

Overcast
-2°
feels like: -6°
Overcast
Relative humidity: 69%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 7 km/h, west
04:00

Overcast
-3°
feels like: -7°
Overcast
Relative humidity: 74%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 7 km/h, northwest
07:00

Light snow
-4°
feels like: -7°
Light snow
Relative humidity: 73%, pressure: 746 mm
Precipitations: 0.3 mm
Wind: 7 km/h, west
10:00

Snow
-3°
feels like: -7°
Snow
Relative humidity: 74%, pressure: 747 mm
Precipitations: 0.8 mm
Wind: 11 km/h, west
13:00

Light snow
-1°
feels like: -7°
Light snow
Relative humidity: 61%, pressure: 747 mm
Precipitations: 0.2 mm
Wind: 18 km/h, west
16:00

Overcast
-2°
feels like: -9°
Overcast
Relative humidity: 65%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 22 km/h, northwest
19:00

Mainly sunny
-5°
feels like: -11°
Mainly sunny
Relative humidity: 62%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 18 km/h, northwest