Your local weather forecast for today
St. Thomas, ON — 3 hour detailed weather forecast
ON, Canada » St. Thomas
Forecast for today, Saturday, December 20, 2025
19:00 |
+4° feels like: +-1° |
Overcast
Relative humidity: 56%, pressure: 737 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
22:00 |
+2° feels like: +-3° |
Clear
Relative humidity: 62%, pressure: 738 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
01:00 |
-1° feels like: -7° |
Mainly sunny
Relative humidity: 54%, pressure: 740 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
04:00 |
-5° feels like: -13° |
Overcast
Relative humidity: 55%, pressure: 744 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
07:00 |
-6° feels like: -13° |
Overcast
Relative humidity: 52%, pressure: 747 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
10:00 |
-6° feels like: -13° |
Overcast
Relative humidity: 50%, pressure: 750 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
13:00 |
-4° feels like: -10° |
A mix of sun and cloud
Relative humidity: 46%, pressure: 751 mm Precipitations: 0.0 mm Wind: 22 km/h, northwest |
16:00 |
-3° feels like: -9° |
Mainly sunny
Relative humidity: 45%, pressure: 752 mm Precipitations: 0.0 mm Wind: 14 km/h, northwest |
19:00 |
-6° feels like: -8° |
Clear
Relative humidity: 55%, pressure: 754 mm Precipitations: 0.0 mm Wind: 4 km/h, west |