Your local weather forecast for today
St. Thomas, ON — 3 hour detailed weather forecast
ON, Canada » St. Thomas
Forecast for today, Tuesday, October 21, 2025
17:00 |
+15° feels like: +15° |
Mainly sunny
Relative humidity: 52%, pressure: 735 mm Precipitations: 0.0 mm Wind: 14 km/h, southwest |
20:00 |
+11° feels like: +11° |
Overcast
Relative humidity: 71%, pressure: 735 mm Precipitations: 0.3 mm Wind: 11 km/h, south |
23:00 |
+8° feels like: +6° |
Showers
Relative humidity: 89%, pressure: 734 mm Precipitations: 1.1 mm Wind: 7 km/h, southwest |
02:00 |
+7° feels like: +5° |
Light showers
Relative humidity: 89%, pressure: 733 mm Precipitations: 0.2 mm Wind: 14 km/h, southwest |
05:00 |
+5° feels like: +3° |
Clear
Relative humidity: 88%, pressure: 733 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
08:00 |
+6° feels like: +3° |
Overcast
Relative humidity: 86%, pressure: 734 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
11:00 |
+8° feels like: +5° |
Light showers
Relative humidity: 78%, pressure: 734 mm Precipitations: 0.2 mm Wind: 18 km/h, west |
14:00 |
+8° feels like: +6° |
Showers
Relative humidity: 82%, pressure: 733 mm Precipitations: 1.5 mm Wind: 14 km/h, west |
17:00 |
+9° feels like: +7° |
Light showers
Relative humidity: 72%, pressure: 734 mm Precipitations: 0.6 mm Wind: 14 km/h, west |