Your local weather forecast for today
St. Thomas, ON — 1 hour detailed weather forecast
ON, Canada » St. Thomas
Forecast for today, Saturday, December 20, 2025
20:00 |
+4° feels like: +-1° |
Clear
Relative humidity: 59%, pressure: 737 mm Precipitations: 0.0 mm Wind: 22 km/h, southwest |
21:00 |
+3° feels like: +-2° |
Clear
Relative humidity: 62%, 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 |
23:00 |
+2° feels like: +-4° |
Mainly sunny
Relative humidity: 56%, pressure: 739 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
00:00 |
+1° feels like: +-5° |
Mainly sunny
Relative humidity: 50%, pressure: 739 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
01:00 |
-1° feels like: -7° |
Mainly sunny
Relative humidity: 54%, pressure: 740 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
02:00 |
-3° feels like: -10° |
Overcast
Relative humidity: 56%, pressure: 741 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
03:00 |
-4° feels like: -11° |
Overcast
Relative humidity: 57%, pressure: 743 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 |
05:00 |
-5° feels like: -13° |
Overcast
Relative humidity: 56%, pressure: 745 mm Precipitations: 0.0 mm Wind: 25 km/h, west |
06:00 |
-6° feels like: -13° |
Overcast
Relative humidity: 52%, pressure: 746 mm Precipitations: 0.0 mm Wind: 22 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 |
08:00 |
-6° feels like: -14° |
Overcast
Relative humidity: 52%, pressure: 748 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
09:00 |
-6° feels like: -14° |
Overcast
Relative humidity: 51%, pressure: 749 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 |
11:00 |
-5° feels like: -12° |
A mix of sun and cloud
Relative humidity: 48%, pressure: 750 mm Precipitations: 0.0 mm Wind: 22 km/h, west |
12:00 |
-4° feels like: -11° |
A mix of sun and cloud
Relative humidity: 46%, pressure: 751 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 |
14:00 |
-3° feels like: -9° |
Mainly sunny
Relative humidity: 45%, pressure: 751 mm Precipitations: 0.0 mm Wind: 18 km/h, northwest |
15:00 |
-3° feels like: -9° |
Mainly sunny
Relative humidity: 44%, pressure: 752 mm Precipitations: 0.0 mm Wind: 14 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 |
17:00 |
-4° feels like: -9° |
Clear
Relative humidity: 50%, pressure: 753 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
18:00 |
-5° feels like: -9° |
Clear
Relative humidity: 54%, pressure: 753 mm Precipitations: 0.0 mm Wind: 7 km/h, west |
19:00 |
-6° feels like: -8° |
Clear
Relative humidity: 55%, pressure: 754 mm Precipitations: 0.0 mm Wind: 4 km/h, west |
20:00 |
-6° feels like: -9° |
Clear
Relative humidity: 55%, pressure: 754 mm Precipitations: 0.0 mm Wind: 4 km/h, west |