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St. Thomas, ON — 3 hour detailed weather forecast


ON, Canada » St. Thomas


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

11:00

Partly cloudy
+9°
feels like: +7°
Partly cloudy
Relative humidity: 63%, pressure: 740 mm
Precipitations: 0.3 mm
Wind: 14 km/h, northwest
14:00

A mix of sun and cloud
+10°
feels like: +8°
A mix of sun and cloud
Relative humidity: 55%, pressure: 740 mm
Precipitations: 0.3 mm
Wind: 14 km/h, northwest
17:00

Partly cloudy
+10°
feels like: +7°
Partly cloudy
Relative humidity: 49%, pressure: 740 mm
Precipitations: 0.6 mm
Wind: 14 km/h, northwest
20:00

Mainly sunny
+7°
feels like: +6°
Mainly sunny
Relative humidity: 59%, pressure: 741 mm
Precipitations: 0.0 mm
Wind: 7 km/h, northwest
23:00

Mainly sunny
+4°
feels like: +2°
Mainly sunny
Relative humidity: 72%, pressure: 742 mm
Precipitations: 0.0 mm
Wind: 7 km/h, northwest
02:00

Mainly sunny
+1°
feels like: +0°
Mainly sunny
Relative humidity: 86%, pressure: 741 mm
Precipitations: 0.0 mm
Wind: 4 km/h, north
05:00

Overcast
+1°
feels like: +-1°
Overcast
Relative humidity: 90%, pressure: 741 mm
Precipitations: 0.0 mm
Wind: 4 km/h, north
08:00

Overcast
+3°
feels like: +2°
Overcast
Relative humidity: 84%, pressure: 741 mm
Precipitations: 0.1 mm
Wind: 4 km/h, northeast
11:00

Light showers
+6°
feels like: +6°
Light showers
Relative humidity: 62%, pressure: 741 mm
Precipitations: 1.1 mm
Wind: 0 km/h, northeast