Your local weather forecast for today
St. Thomas, ON — 1 hour detailed weather forecast
ON, Canada » St. Thomas
Forecast for today, Monday, December 15, 2025
20:00 |
-9° feels like: -16° |
Overcast
Relative humidity: 75%, pressure: 745 mm Precipitations: 0.0 mm Wind: 18 km/h, west |
21:00 |
-10° feels like: -17° |
Overcast
Relative humidity: 77%, pressure: 745 mm Precipitations: 0.0 mm Wind: 14 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 |
23:00 |
-10° feels like: -16° |
Overcast
Relative humidity: 78%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
00:00 |
-10° feels like: -17° |
Overcast
Relative humidity: 80%, 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 |
02:00 |
-11° feels like: -16° |
Overcast
Relative humidity: 83%, pressure: 745 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
03:00 |
-11° feels like: -16° |
Overcast
Relative humidity: 85%, pressure: 745 mm Precipitations: 0.0 mm Wind: 7 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 |
05:00 |
-11° feels like: -15° |
Overcast
Relative humidity: 86%, pressure: 745 mm Precipitations: 0.0 mm Wind: 7 km/h, west |
06:00 |
-11° feels like: -15° |
Overcast
Relative humidity: 86%, pressure: 745 mm Precipitations: 0.0 mm Wind: 4 km/h, southwest |
07:00 |
-10° feels like: -14° |
Overcast
Relative humidity: 86%, pressure: 745 mm Precipitations: 0.0 mm Wind: 4 km/h, southwest |
08:00 |
-10° feels like: -13° |
Overcast
Relative humidity: 86%, pressure: 745 mm Precipitations: 0.0 mm Wind: 4 km/h, southwest |
09:00 |
-8° feels like: -12° |
Overcast
Relative humidity: 84%, pressure: 745 mm Precipitations: 0.0 mm Wind: 7 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 |
11:00 |
-3° feels like: -8° |
Overcast
Relative humidity: 85%, pressure: 744 mm Precipitations: 0.0 mm Wind: 11 km/h, southwest |
12:00 |
-2° feels like: -8° |
Overcast
Relative humidity: 82%, pressure: 744 mm Precipitations: 0.0 mm Wind: 18 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 |
14:00 |
-1° feels like: -7° |
A mix of sun and cloud
Relative humidity: 82%, pressure: 743 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
15:00 |
-1° feels like: -7° |
A mix of sun and cloud
Relative humidity: 82%, pressure: 742 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 |
17:00 |
0° feels like: -6° |
Clear
Relative humidity: 81%, pressure: 741 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
18:00 |
0° feels like: -5° |
Clear
Relative humidity: 81%, pressure: 740 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
19:00 |
+1° feels like: +-5° |
Clear
Relative humidity: 81%, pressure: 740 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
20:00 |
+1° feels like: +-5° |
Clear
Relative humidity: 82%, pressure: 740 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |