Your local weather forecast for today
St. Thomas, ON — 3 hour detailed weather forecast
ON, Canada » St. Thomas
Forecast for today, Tuesday, March 17, 2026
14:00 |
-6° feels like: -13° |
Overcast
Relative humidity: 39%, pressure: 743 mm Precipitations: 0.1 mm Wind: 25 km/h, west |
17:00 |
-5° feels like: -12° |
Overcast
Relative humidity: 36%, pressure: 744 mm Precipitations: 0.1 mm Wind: 22 km/h, northwest |
20:00 |
-5° feels like: -11° |
Overcast
Relative humidity: 41%, pressure: 746 mm Precipitations: 0.0 mm Wind: 11 km/h, northwest |
23:00 |
-5° feels like: -5° |
Overcast
Relative humidity: 46%, pressure: 747 mm Precipitations: 0.0 mm Wind: 4 km/h, west |
02:00 |
-6° feels like: -10° |
Mainly sunny
Relative humidity: 53%, pressure: 748 mm Precipitations: 0.0 mm Wind: 7 km/h, west |
05:00 |
-5° feels like: -5° |
A mix of sun and cloud
Relative humidity: 50%, pressure: 749 mm Precipitations: 0.0 mm Wind: 0 km/h, west |
08:00 |
-5° feels like: -5° |
Partly cloudy
Relative humidity: 54%, pressure: 750 mm Precipitations: 0.0 mm Wind: 0 km/h, east |
11:00 |
-2° feels like: -8° |
Overcast
Relative humidity: 43%, pressure: 750 mm Precipitations: 0.0 mm Wind: 18 km/h, south |
14:00 |
-2° feels like: -7° |
Overcast
Relative humidity: 40%, pressure: 749 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
17:00 |
-1° feels like: -6° |
Overcast
Relative humidity: 44%, pressure: 748 mm Precipitations: 0.0 mm Wind: 18 km/h, south |