Your local weather forecast for today
St. Thomas, ON — 3 hour detailed weather forecast
ON, Canada » St. Thomas
Forecast for today, Wednesday, December 17, 2025
13:00 |
+3° feels like: +-1° |
Overcast
Relative humidity: 89%, pressure: 740 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
16:00 |
+2° feels like: +-1° |
Clear
Relative humidity: 91%, pressure: 743 mm Precipitations: 0.0 mm Wind: 7 km/h, west |
19:00 |
0° feels like: 0° |
Clear
Relative humidity: 98%, pressure: 744 mm Precipitations: 0.0 mm Wind: 0 km/h, southwest |
22:00 |
-1° feels like: -4° |
Partly cloudy
Relative humidity: 98%, pressure: 744 mm Precipitations: 0.0 mm Wind: 7 km/h, south |
01:00 |
+1° feels like: +-3° |
Clear
Relative humidity: 93%, pressure: 744 mm Precipitations: 0.0 mm Wind: 14 km/h, southeast |
04:00 |
+2° feels like: +-4° |
A mix of sun and cloud
Relative humidity: 88%, pressure: 742 mm Precipitations: 0.0 mm Wind: 25 km/h, south |
07:00 |
+3° feels like: +-2° |
A mix of sun and cloud
Relative humidity: 85%, pressure: 741 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
10:00 |
+4° feels like: +-1° |
Overcast
Relative humidity: 81%, pressure: 739 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
13:00 |
+5° feels like: +1° |
Partly cloudy
Relative humidity: 73%, pressure: 736 mm Precipitations: 0.0 mm Wind: 25 km/h, south |