Your local weather forecast for today
St. Thomas, ON — 3 hour detailed weather forecast
ON, Canada » St. Thomas
Forecast for today, Friday, December 19, 2025
16:00 |
-4° feels like: -12° |
Light snow
Relative humidity: 59%, pressure: 735 mm Precipitations: 0.2 mm Wind: 32 km/h, west |
19:00 |
-4° feels like: -11° |
Light snow
Relative humidity: 69%, pressure: 739 mm Precipitations: 0.1 mm Wind: 29 km/h, west |
22:00 |
-4° feels like: -10° |
Overcast
Relative humidity: 73%, pressure: 743 mm Precipitations: 0.1 mm Wind: 18 km/h, west |
01:00 |
-5° feels like: -10° |
Partly cloudy
Relative humidity: 70%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, southwest |
04:00 |
-5° feels like: -8° |
Overcast
Relative humidity: 74%, pressure: 745 mm Precipitations: 0.0 mm Wind: 7 km/h, southwest |
07:00 |
-3° feels like: -9° |
A mix of sun and cloud
Relative humidity: 75%, pressure: 743 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
10:00 |
0° feels like: -6° |
A mix of sun and cloud
Relative humidity: 67%, pressure: 741 mm Precipitations: 0.1 mm Wind: 22 km/h, south |
13:00 |
+2° feels like: +-3° |
Overcast
Relative humidity: 70%, pressure: 739 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
16:00 |
+3° feels like: +-1° |
Overcast
Relative humidity: 61%, pressure: 737 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |