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Sarnia, ON — 3 hour detailed weather forecast


ON, Canada » Sarnia


Forecast for today, Friday, February 20, 2026
Detailed forecast - 3 hours intervals

10:00

Rain
+5°
feels like: +1°
Rain
Relative humidity: 92%, pressure: 727 mm
Precipitations: 1.2 mm
Wind: 22 km/h, south
13:00

Overcast
+4°
feels like: +-1°
Overcast
Relative humidity: 70%, pressure: 729 mm
Precipitations: 0.0 mm
Wind: 29 km/h, southwest
16:00

Light rain and snow
+2°
feels like: +-4°
Light rain and snow
Relative humidity: 76%, pressure: 730 mm
Precipitations: 0.1 mm
Wind: 25 km/h, southwest
19:00

Light showers
+3°
feels like: +-3°
Light showers
Relative humidity: 74%, pressure: 733 mm
Precipitations: 0.5 mm
Wind: 25 km/h, southwest
22:00

Overcast
+2°
feels like: +-3°
Overcast
Relative humidity: 78%, pressure: 735 mm
Precipitations: 0.1 mm
Wind: 25 km/h, west
01:00

Overcast
+2°
feels like: +-4°
Overcast
Relative humidity: 82%, pressure: 737 mm
Precipitations: 0.0 mm
Wind: 22 km/h, west
04:00

Overcast
+1°
feels like: +-4°
Overcast
Relative humidity: 84%, pressure: 738 mm
Precipitations: 0.0 mm
Wind: 18 km/h, west
07:00

Overcast
+1°
feels like: +-4°
Overcast
Relative humidity: 84%, pressure: 741 mm
Precipitations: 0.0 mm
Wind: 18 km/h, west
10:00

Overcast
+1°
feels like: +-4°
Overcast
Relative humidity: 77%, pressure: 743 mm
Precipitations: 0.0 mm
Wind: 22 km/h, northwest
13:00

Overcast
+2°
feels like: +-3°
Overcast
Relative humidity: 69%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 18 km/h, northwest