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Ajax, ON — 3 hour detailed weather forecast


ON, Canada » Ajax


Forecast for today, Wednesday, March 18, 2026
Detailed forecast - 3 hours intervals

23:00

Clear
-9°
feels like: -15°
Clear
Relative humidity: 71%, pressure: 757 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
02:00

Clear
-9°
feels like: -15°
Clear
Relative humidity: 67%, pressure: 759 mm
Precipitations: 0.0 mm
Wind: 11 km/h, west
05:00

A mix of sun and cloud
-11°
feels like: -15°
A mix of sun and cloud
Relative humidity: 75%, pressure: 759 mm
Precipitations: 0.0 mm
Wind: 4 km/h, west
08:00

Partly cloudy
-10°
feels like: -14°
Partly cloudy
Relative humidity: 76%, pressure: 761 mm
Precipitations: 0.0 mm
Wind: 4 km/h, north
11:00

A mix of sun and cloud
-5°
feels like: -10°
A mix of sun and cloud
Relative humidity: 66%, pressure: 762 mm
Precipitations: 0.0 mm
Wind: 11 km/h, southeast
14:00

Overcast
-3°
feels like: -9°
Overcast
Relative humidity: 55%, pressure: 761 mm
Precipitations: 0.0 mm
Wind: 18 km/h, south
17:00

Overcast
-2°
feels like: -8°
Overcast
Relative humidity: 57%, pressure: 760 mm
Precipitations: 0.0 mm
Wind: 18 km/h, south
20:00

Overcast
-2°
feels like: -6°
Overcast
Relative humidity: 60%, pressure: 759 mm
Precipitations: 0.1 mm
Wind: 11 km/h, south
23:00

Light snow
-2°
feels like: -6°
Light snow
Relative humidity: 74%, pressure: 758 mm
Precipitations: 0.2 mm
Wind: 11 km/h, southeast