Some sunshine expected on Christmas Day in Ottawa

Ottawa's ByWard Market on Christmas Day. Dec. 25, 2025. (Brad Quinn/CTV News Ottawa)

It’ll be a somewhat sunny Christmas Day in Ottawa, with the forecast calling for mostly clear skies by late afternoon.

According to Environment Canada’s weather forecast for Thursday, a mainly cloudy sky will begin to clear in the afternoon, giving way to mainly sunny weather before evening.

The temperature will reach a high of -4 C and fall to -11 C by late afternoon. The overnight low will reach -21 C.

Friday’s forecast calls for snow and a high of -14 C.

Saturday, expect a mix of sun and clouds and a high of -9 C.

Sunday is expected to be sunny with a high of -9 C.

According to Environment Canada, there is a possibility of a major winter storm beginning Sunday evening and ending Monday night. Environment Canada says there is a possibility the storm affects travel.

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