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Markham, ON — 1 hour detailed weather forecast


ON, Canada » Markham


Forecast for today, Wednesday, September 17, 2025
Detailed hourly forecast

03:00

Clear
+13°
feels like: +13°
Clear
Relative humidity: 78%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 4 km/h, north
04:00

Clear
+12°
feels like: +12°
Clear
Relative humidity: 78%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 4 km/h, north
05:00

Sunny
+12°
feels like: +12°
Clear
Relative humidity: 80%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 4 km/h, north
06:00

Mainly sunny
+12°
feels like: +12°
Mainly sunny
Relative humidity: 82%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 4 km/h, north
07:00

Mainly sunny
+12°
feels like: +12°
Mainly sunny
Relative humidity: 83%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 4 km/h, north
08:00

Mainly sunny
+14°
feels like: +14°
Mainly sunny
Relative humidity: 79%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 4 km/h, north
09:00

A mix of sun and cloud
+18°
feels like: +18°
A mix of sun and cloud
Relative humidity: 70%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 4 km/h, northeast
10:00

A mix of sun and cloud
+21°
feels like: +21°
A mix of sun and cloud
Relative humidity: 60%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 4 km/h, east
11:00

A mix of sun and cloud
+23°
feels like: +23°
A mix of sun and cloud
Relative humidity: 53%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 4 km/h, east
12:00

A mix of sun and cloud
+24°
feels like: +24°
A mix of sun and cloud
Relative humidity: 50%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 4 km/h, east
13:00

A mix of sun and cloud
+25°
feels like: +25°
A mix of sun and cloud
Relative humidity: 50%, pressure: 750 mm
Precipitations: 0.0 mm
Wind: 4 km/h, southeast
14:00

A mix of sun and cloud
+25°
feels like: +25°
A mix of sun and cloud
Relative humidity: 52%, pressure: 749 mm
Precipitations: 0.0 mm
Wind: 4 km/h, southeast
15:00

A mix of sun and cloud
+25°
feels like: +25°
A mix of sun and cloud
Relative humidity: 52%, pressure: 749 mm
Precipitations: 0.0 mm
Wind: 7 km/h, southeast
16:00

A mix of sun and cloud
+25°
feels like: +25°
A mix of sun and cloud
Relative humidity: 50%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 7 km/h, southeast
17:00

A mix of sun and cloud
+25°
feels like: +25°
A mix of sun and cloud
Relative humidity: 51%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 7 km/h, southeast
18:00

Partly cloudy
+24°
feels like: +24°
Partly cloudy
Relative humidity: 54%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 4 km/h, southeast
19:00

Partly cloudy
+21°
feels like: +21°
Partly cloudy
Relative humidity: 66%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 4 km/h, southeast
20:00

Partly cloudy
+19°
feels like: +19°
Partly cloudy
Relative humidity: 78%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 4 km/h, southeast
21:00

Clear
+18°
feels like: +18°
Clear
Relative humidity: 85%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 0 km/h, east
22:00

Clear
+16°
feels like: +16°
Clear
Relative humidity: 90%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 0 km/h, northeast
23:00

Clear
+16°
feels like: +16°
Clear
Relative humidity: 90%, pressure: 748 mm
Precipitations: 0.0 mm
Wind: 0 km/h, northwest
00:00

Clear
+15°
feels like: +15°
Clear
Relative humidity: 90%, pressure: 747 mm
Precipitations: 0.0 mm
Wind: 0 km/h, northwest
01:00

Clear
+15°
feels like: +15°
Clear
Relative humidity: 91%, pressure: 747 mm
Precipitations: 0.0 mm
Wind: 4 km/h, northwest
02:00

Clear
+14°
feels like: +14°
Clear
Relative humidity: 90%, pressure: 747 mm
Precipitations: 0.0 mm
Wind: 4 km/h, northwest
03:00

Clear
+14°
feels like: +14°
Clear
Relative humidity: 89%, pressure: 747 mm
Precipitations: 0.0 mm
Wind: 4 km/h, northwest