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Sarnia, ON — 3 hour detailed weather forecast


ON, Canada » Sarnia


Forecast for today, Monday, June 22, 2026
Detailed forecast - 3 hours intervals

17:00

Mainly sunny
+19°
feels like: +19°
Mainly sunny
Relative humidity: 77%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 22 km/h, north
20:00

Partly cloudy
+17°
feels like: +17°
Partly cloudy
Relative humidity: 68%, pressure: 745 mm
Precipitations: 0.0 mm
Wind: 11 km/h, north
23:00

Partly cloudy
+15°
feels like: +15°
Partly cloudy
Relative humidity: 84%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 7 km/h, north
02:00

Clear
+14°
feels like: +14°
Clear
Relative humidity: 81%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 7 km/h, north
05:00

Sunny
+13°
feels like: +13°
Clear
Relative humidity: 86%, pressure: 747 mm
Precipitations: 0.0 mm
Wind: 7 km/h, north
08:00

Sunny
+15°
feels like: +15°
Clear
Relative humidity: 79%, pressure: 747 mm
Precipitations: 0.0 mm
Wind: 14 km/h, north
11:00

Sunny
+17°
feels like: +17°
Clear
Relative humidity: 74%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 18 km/h, north
14:00

Sunny
+18°
feels like: +18°
Clear
Relative humidity: 74%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 14 km/h, north
17:00

Sunny
+18°
feels like: +18°
Clear
Relative humidity: 73%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 18 km/h, north