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St. Catharines, ON — 1 hour detailed weather forecast


ON, Canada » St. Catharines


Forecast for today, Saturday, July 26, 2025
Detailed hourly forecast

17:00

Overcast
+26°
feels like: +28°
Overcast
Relative humidity: 70%, pressure: 753 mm
Precipitations: 0.0 mm
Wind: 11 km/h, northeast
18:00

Overcast
+26°
feels like: +26°
Overcast
Relative humidity: 72%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 11 km/h, east
19:00

Overcast
+25°
feels like: +26°
Overcast
Relative humidity: 75%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 7 km/h, southeast
20:00

Overcast
+24°
feels like: +25°
Overcast
Relative humidity: 81%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 7 km/h, south
21:00

Overcast
+24°
feels like: +25°
Overcast
Relative humidity: 86%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 11 km/h, south
22:00

Overcast
+24°
feels like: +25°
Overcast
Relative humidity: 89%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 11 km/h, southwest
23:00

Overcast
+24°
feels like: +25°
Overcast
Relative humidity: 90%, pressure: 753 mm
Precipitations: 0.0 mm
Wind: 14 km/h, southwest
00:00

Chance of thunderstorms
+24°
feels like: +25°
Chance of thunderstorms
Relative humidity: 90%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 14 km/h, southwest
01:00

Chance of thunderstorms
+24°
feels like: +25°
Chance of thunderstorms
Relative humidity: 90%, pressure: 752 mm
Precipitations: 0.1 mm
Wind: 14 km/h, southwest
02:00

Chance of thunderstorms
+24°
feels like: +25°
Chance of thunderstorms
Relative humidity: 92%, pressure: 752 mm
Precipitations: 0.1 mm
Wind: 14 km/h, southwest
03:00

Chance of thunderstorms
+22°
feels like: +23°
Chance of thunderstorms
Relative humidity: 99%, pressure: 752 mm
Precipitations: 6.7 mm
Wind: 14 km/h, southwest
04:00

Chance of thunderstorms
+23°
feels like: +24°
Chance of thunderstorms
Relative humidity: 97%, pressure: 752 mm
Precipitations: 2.1 mm
Wind: 18 km/h, southwest
05:00

Chance of thunderstorms
+22°
feels like: +23°
Chance of thunderstorms
Relative humidity: 98%, pressure: 752 mm
Precipitations: 1.5 mm
Wind: 18 km/h, southwest
06:00

Light showers
+23°
feels like: +24°
Light showers
Relative humidity: 97%, pressure: 752 mm
Precipitations: 0.2 mm
Wind: 18 km/h, southwest
07:00

Light showers
+23°
feels like: +24°
Light showers
Relative humidity: 97%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 14 km/h, southwest
08:00

Mainly sunny
+24°
feels like: +25°
Mainly sunny
Relative humidity: 95%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
09:00

A mix of sun and cloud
+25°
feels like: +26°
A mix of sun and cloud
Relative humidity: 90%, pressure: 753 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
10:00

A mix of sun and cloud
+26°
feels like: +27°
A mix of sun and cloud
Relative humidity: 85%, pressure: 753 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
11:00

A mix of sun and cloud
+26°
feels like: +29°
A mix of sun and cloud
Relative humidity: 82%, pressure: 753 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
12:00

Sunny
+27°
feels like: +30°
Clear
Relative humidity: 79%, pressure: 753 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
13:00

Sunny
+28°
feels like: +32°
Clear
Relative humidity: 74%, pressure: 753 mm
Precipitations: 0.0 mm
Wind: 14 km/h, west
14:00

Sunny
+29°
feels like: +33°
Clear
Relative humidity: 72%, pressure: 753 mm
Precipitations: 0.0 mm
Wind: 14 km/h, northwest
15:00

Sunny
+30°
feels like: +34°
Clear
Relative humidity: 67%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 14 km/h, west
16:00

Sunny
+30°
feels like: +34°
Clear
Relative humidity: 63%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 14 km/h, west
17:00

Sunny
+31°
feels like: +34°
Clear
Relative humidity: 60%, pressure: 752 mm
Precipitations: 0.0 mm
Wind: 14 km/h, west