Your local weather forecast for today
St. Catharines, ON — 1 hour detailed weather forecast
ON, Canada » St. Catharines
Forecast for today, Saturday, April 18, 2026
08:00 |
+16° feels like: +16° |
A mix of sun and cloud
Relative humidity: 72%, pressure: 747 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
09:00 |
+17° feels like: +17° |
A mix of sun and cloud
Relative humidity: 72%, pressure: 747 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
10:00 |
+18° feels like: +18° |
A mix of sun and cloud
Relative humidity: 73%, pressure: 746 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
11:00 |
+18° feels like: +18° |
A mix of sun and cloud
Relative humidity: 75%, pressure: 746 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
12:00 |
+19° feels like: +19° |
Overcast
Relative humidity: 68%, pressure: 746 mm Precipitations: 0.0 mm Wind: 22 km/h, south |
13:00 |
+20° feels like: +20° |
Overcast
Relative humidity: 68%, pressure: 745 mm Precipitations: 0.0 mm Wind: 25 km/h, southwest |
14:00 |
+19° feels like: +19° |
Showers
Relative humidity: 68%, pressure: 745 mm Precipitations: 0.4 mm Wind: 29 km/h, southwest |
15:00 |
+17° feels like: +17° |
Rain
Relative humidity: 81%, pressure: 745 mm Precipitations: 1.1 mm Wind: 25 km/h, southwest |
16:00 |
+16° feels like: +16° |
Rain
Relative humidity: 84%, pressure: 744 mm Precipitations: 1.4 mm Wind: 25 km/h, southwest |
17:00 |
+16° feels like: +16° |
Rain
Relative humidity: 84%, pressure: 744 mm Precipitations: 4.8 mm Wind: 22 km/h, southwest |
18:00 |
+15° feels like: +15° |
Rain
Relative humidity: 87%, pressure: 745 mm Precipitations: 4.2 mm Wind: 22 km/h, southwest |
19:00 |
+14° feels like: +14° |
Rain
Relative humidity: 87%, pressure: 746 mm Precipitations: 0.6 mm Wind: 18 km/h, west |
20:00 |
+12° feels like: +12° |
Rain
Relative humidity: 88%, pressure: 746 mm Precipitations: 0.0 mm Wind: 14 km/h, west |
21:00 |
+11° feels like: +11° |
Light showers
Relative humidity: 88%, pressure: 747 mm Precipitations: 0.0 mm Wind: 14 km/h, west |
22:00 |
+11° feels like: +11° |
Overcast
Relative humidity: 84%, pressure: 748 mm Precipitations: 0.0 mm Wind: 11 km/h, northwest |
23:00 |
+11° feels like: +11° |
Overcast
Relative humidity: 83%, pressure: 748 mm Precipitations: 0.0 mm Wind: 7 km/h, northwest |
00:00 |
+10° feels like: +10° |
Overcast
Relative humidity: 78%, pressure: 749 mm Precipitations: 0.0 mm Wind: 11 km/h, northwest |
01:00 |
+9° feels like: +7° |
Overcast
Relative humidity: 72%, pressure: 749 mm Precipitations: 0.0 mm Wind: 11 km/h, northwest |
02:00 |
+8° feels like: +5° |
Showers
Relative humidity: 71%, pressure: 750 mm Precipitations: 0.0 mm Wind: 11 km/h, north |
03:00 |
+6° feels like: +3° |
A mix of sun and cloud
Relative humidity: 76%, pressure: 750 mm Precipitations: 0.0 mm Wind: 11 km/h, northwest |
04:00 |
+6° feels like: +3° |
A mix of sun and cloud
Relative humidity: 73%, pressure: 751 mm Precipitations: 0.0 mm Wind: 11 km/h, northwest |
05:00 |
+6° feels like: +3° |
A mix of sun and cloud
Relative humidity: 67%, pressure: 751 mm Precipitations: 0.0 mm Wind: 11 km/h, west |
06:00 |
+6° feels like: +3° |
A mix of sun and cloud
Relative humidity: 56%, pressure: 751 mm Precipitations: 0.0 mm Wind: 14 km/h, west |
07:00 |
+6° feels like: +3° |
A mix of sun and cloud
Relative humidity: 63%, pressure: 752 mm Precipitations: 0.0 mm Wind: 14 km/h, west |
08:00 |
+6° feels like: +3° |
A mix of sun and cloud
Relative humidity: 64%, pressure: 752 mm Precipitations: 0.1 mm Wind: 18 km/h, west |