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Sarnia, ON — 3 hour detailed weather forecast


ON, Canada » Sarnia


Forecast for today, Friday, November 21, 2025
Detailed forecast - 3 hours intervals

16:00

A mix of sun and cloud
+9°
feels like: +7°
A mix of sun and cloud
Relative humidity: 61%, pressure: 743 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
19:00

A mix of sun and cloud
+6°
feels like: +4°
A mix of sun and cloud
Relative humidity: 66%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 7 km/h, west
22:00

A mix of sun and cloud
+4°
feels like: +2°
A mix of sun and cloud
Relative humidity: 72%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 7 km/h, west
01:00

A mix of sun and cloud
+3°
feels like: +-1°
A mix of sun and cloud
Relative humidity: 77%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 14 km/h, northwest
04:00

Clear
+2°
feels like: +-2°
Clear
Relative humidity: 79%, pressure: 745 mm
Precipitations: 0.0 mm
Wind: 11 km/h, northwest
07:00

Partly cloudy
+2°
feels like: +-2°
Partly cloudy
Relative humidity: 77%, pressure: 745 mm
Precipitations: 0.0 mm
Wind: 11 km/h, northwest
10:00

Mainly sunny
+5°
feels like: +1°
Mainly sunny
Relative humidity: 66%, pressure: 747 mm
Precipitations: 0.0 mm
Wind: 14 km/h, northwest
13:00

A mix of sun and cloud
+6°
feels like: +3°
A mix of sun and cloud
Relative humidity: 54%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 11 km/h, north
16:00

A mix of sun and cloud
+6°
feels like: +4°
A mix of sun and cloud
Relative humidity: 56%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 4 km/h, west
19:00

A mix of sun and cloud
+4°
feels like: +1°
A mix of sun and cloud
Relative humidity: 66%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 7 km/h, south