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Sarnia, ON — 3 hour detailed weather forecast


ON, Canada » Sarnia


Forecast for today, Tuesday, January 27, 2026
Detailed forecast - 3 hours intervals

16:00

Mainly sunny
-9°
feels like: -18°
Mainly sunny
Relative humidity: 57%, pressure: 743 mm
Precipitations: 0.1 mm
Wind: 25 km/h, northwest
19:00

Sunny
-11°
feels like: -20°
Clear
Relative humidity: 66%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 22 km/h, west
22:00

Clear
-13°
feels like: -21°
Clear
Relative humidity: 67%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 18 km/h, west
01:00

Clear
-14°
feels like: -22°
Clear
Relative humidity: 74%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 14 km/h, west
04:00

Clear
-15°
feels like: -22°
Clear
Relative humidity: 77%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
07:00

Mainly sunny
-16°
feels like: -23°
Mainly sunny
Relative humidity: 76%, pressure: 747 mm
Precipitations: 0.0 mm
Wind: 11 km/h, southwest
10:00

Overcast
-13°
feels like: -20°
Overcast
Relative humidity: 77%, pressure: 747 mm
Precipitations: 0.0 mm
Wind: 14 km/h, southwest
13:00

Overcast
-10°
feels like: -18°
Overcast
Relative humidity: 64%, pressure: 746 mm
Precipitations: 0.1 mm
Wind: 18 km/h, west
16:00

Overcast
-10°
feels like: -18°
Overcast
Relative humidity: 64%, pressure: 745 mm
Precipitations: 0.1 mm
Wind: 18 km/h, west