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St. Thomas, ON — 3 hour detailed weather forecast


ON, Canada » St. Thomas


Forecast for today, Monday, June 29, 2026
Detailed forecast - 3 hours intervals

05:00

Sunny
+17°
feels like: +17°
Clear
Relative humidity: 82%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 7 km/h, northeast
08:00

Partly cloudy
+20°
feels like: +21°
Partly cloudy
Relative humidity: 83%, pressure: 745 mm
Precipitations: 0.0 mm
Wind: 7 km/h, northeast
11:00

A mix of sun and cloud
+25°
feels like: +26°
A mix of sun and cloud
Relative humidity: 82%, pressure: 745 mm
Precipitations: 0.0 mm
Wind: 11 km/h, southeast
14:00

Mainly sunny
+26°
feels like: +28°
Mainly sunny
Relative humidity: 76%, pressure: 746 mm
Precipitations: 0.0 mm
Wind: 11 km/h, south
17:00

Sunny
+28°
feels like: +30°
Clear
Relative humidity: 68%, pressure: 745 mm
Precipitations: 0.0 mm
Wind: 7 km/h, south
20:00

Sunny
+26°
feels like: +28°
Clear
Relative humidity: 82%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 7 km/h, southeast
23:00

Clear
+23°
feels like: +24°
Clear
Relative humidity: 85%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 11 km/h, southeast
02:00

Clear
+23°
feels like: +23°
Clear
Relative humidity: 88%, pressure: 743 mm
Precipitations: 0.0 mm
Wind: 11 km/h, southeast
05:00

A mix of sun and cloud
+22°
feels like: +23°
A mix of sun and cloud
Relative humidity: 88%, pressure: 744 mm
Precipitations: 0.0 mm
Wind: 11 km/h, southwest
08:00

Partly cloudy
+25°
feels like: +25°
Partly cloudy
Relative humidity: 89%, pressure: 744 mm
Precipitations: 0.2 mm
Wind: 7 km/h, south