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Sarnia, ON — 3 hour detailed weather forecast


ON, Canada » Sarnia


Forecast for today, Tuesday, June 23, 2026
Detailed forecast - 3 hours intervals

20:00

Sunny
+18°
feels like: +18°
Clear
Relative humidity: 69%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 7 km/h, north
23:00

Clear
+14°
feels like: +14°
Clear
Relative humidity: 85%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 0 km/h, north
02:00

Clear
+13°
feels like: +13°
Clear
Relative humidity: 85%, pressure: 749 mm
Precipitations: 0.0 mm
Wind: 0 km/h, north
05:00

A mix of sun and cloud
+12°
feels like: +12°
A mix of sun and cloud
Relative humidity: 90%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 4 km/h, west
08:00

A mix of sun and cloud
+15°
feels like: +15°
A mix of sun and cloud
Relative humidity: 81%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 4 km/h, southwest
11:00

Mainly sunny
+22°
feels like: +22°
Mainly sunny
Relative humidity: 55%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 7 km/h, south
14:00

A mix of sun and cloud
+23°
feels like: +23°
A mix of sun and cloud
Relative humidity: 55%, pressure: 747 mm
Precipitations: 0.0 mm
Wind: 7 km/h, southwest
17:00

Overcast
+21°
feels like: +21°
Overcast
Relative humidity: 59%, pressure: 746 mm
Precipitations: 0.1 mm
Wind: 11 km/h, southwest
20:00

Showers
+18°
feels like: +18°
Showers
Relative humidity: 86%, pressure: 745 mm
Precipitations: 2.9 mm
Wind: 7 km/h, southeast