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Sarnia, ON — 3 hour detailed weather forecast


ON, Canada » Sarnia


Forecast for today, Friday, January 9, 2026
Detailed forecast - 3 hours intervals

19:00

Sunny
+3°
feels like: +0°
Clear
Relative humidity: 78%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 14 km/h, northwest
22:00

Clear
+3°
feels like: +0°
Clear
Relative humidity: 83%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 11 km/h, northwest
01:00

A mix of sun and cloud
+1°
feels like: +-2°
A mix of sun and cloud
Relative humidity: 86%, pressure: 751 mm
Precipitations: 0.0 mm
Wind: 7 km/h, north
04:00

A mix of sun and cloud

feels like: -3°
A mix of sun and cloud
Relative humidity: 88%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 7 km/h, northeast
07:00

A mix of sun and cloud

feels like: -4°
A mix of sun and cloud
Relative humidity: 86%, pressure: 749 mm
Precipitations: 0.0 mm
Wind: 11 km/h, east
10:00

Mainly sunny
+1°
feels like: +-3°
Mainly sunny
Relative humidity: 82%, pressure: 747 mm
Precipitations: 0.0 mm
Wind: 14 km/h, east
13:00

Overcast
+4°
feels like: +0°
Overcast
Relative humidity: 74%, pressure: 742 mm
Precipitations: 0.0 mm
Wind: 14 km/h, southeast
16:00

Showers
+3°
feels like: +0°
Showers
Relative humidity: 84%, pressure: 739 mm
Precipitations: 0.5 mm
Wind: 7 km/h, southeast
19:00

Rain
+1°
feels like: +-3°
Rain
Relative humidity: 92%, pressure: 738 mm
Precipitations: 1.5 mm
Wind: 11 km/h, south
22:00

Light showers
+2°
feels like: +-4°
Light showers
Relative humidity: 80%, pressure: 737 mm
Precipitations: 0.0 mm
Wind: 29 km/h, southwest