Weather.Knopka.ca
Your local weather forecast for today

Sarnia, ON — 3 hour detailed weather forecast


ON, Canada » Sarnia


Forecast for today, Thursday, April 30, 2026
Detailed forecast - 3 hours intervals

05:00

Overcast
+5°
feels like: +2°
Overcast
Relative humidity: 76%, pressure: 743 mm
Precipitations: 0.0 mm
Wind: 11 km/h, northwest
08:00

Mainly sunny
+6°
feels like: +3°
Mainly sunny
Relative humidity: 80%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 14 km/h, northwest
11:00

Partly cloudy
+7°
feels like: +4°
Partly cloudy
Relative humidity: 70%, pressure: 744 mm
Precipitations: 0.1 mm
Wind: 22 km/h, north
14:00

Light showers
+7°
feels like: +4°
Light showers
Relative humidity: 68%, pressure: 744 mm
Precipitations: 0.6 mm
Wind: 14 km/h, north
17:00

Partly cloudy
+6°
feels like: +3°
Partly cloudy
Relative humidity: 74%, pressure: 744 mm
Precipitations: 1.0 mm
Wind: 14 km/h, northeast
20:00

Light showers
+5°
feels like: +3°
Light showers
Relative humidity: 74%, pressure: 744 mm
Precipitations: 0.3 mm
Wind: 7 km/h, northeast
23:00

Clear
+3°
feels like: +3°
Clear
Relative humidity: 81%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 4 km/h, northeast
02:00

Clear
+2°
feels like: +1°
Clear
Relative humidity: 83%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 4 km/h, northeast
05:00

Overcast
+2°
feels like: +2°
Overcast
Relative humidity: 88%, pressure: 743 mm
Precipitations: 0.0 mm
Wind: 0 km/h, northeast
08:00

Overcast
+4°
feels like: +3°
Overcast
Relative humidity: 79%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 4 km/h, northeast