Your local weather forecast for today
St. Thomas, ON — 3 hour detailed weather forecast
ON, Canada » St. Thomas
Forecast for today, Monday, December 15, 2025
19:00 |
-7° feels like: -15° |
Clear
Relative humidity: 74%, pressure: 745 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
22:00 |
-10° feels like: -17° |
Overcast
Relative humidity: 77%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
01:00 |
-11° feels like: -17° |
Overcast
Relative humidity: 82%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
04:00 |
-11° feels like: -15° |
Overcast
Relative humidity: 86%, pressure: 745 mm Precipitations: 0.0 mm Wind: 7 km/h, west |
07:00 |
-10° feels like: -14° |
Overcast
Relative humidity: 86%, pressure: 745 mm Precipitations: 0.0 mm Wind: 4 km/h, southwest |
10:00 |
-6° feels like: -10° |
Overcast
Relative humidity: 83%, pressure: 745 mm Precipitations: 0.0 mm Wind: 7 km/h, southwest |
13:00 |
-1° feels like: -7° |
Overcast
Relative humidity: 82%, pressure: 743 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
16:00 |
0° feels like: -6° |
A mix of sun and cloud
Relative humidity: 81%, pressure: 741 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
19:00 |
+1° feels like: +-5° |
Clear
Relative humidity: 81%, pressure: 740 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |