Tuesday could bring windy periods to the Greater Toronto Area with gusts up to 50 km/h in parts of southern Ontario.

Environment and Climate Change Canada says the morning will be sunny or mainly sunny in Toronto, Mississauga, Brampton, Hamilton, Oshawa, Niagara Falls and much of southern Ontario.

A frost advisory was issued on Monday, with temperatures expected to fall near the freezing mark through to early Tuesday morning.

Winds could reach up to 20 km/h in the afternoon in the GTA.

The daytime high will be around 16 C in Toronto and 17 C in Mississauga. The seasonal normal for this time of year is between 5 C and 16 C in Mississauga.

The UV index will be 4 or “moderate” in the GTA, the weather agency says.

Tuesday night is expected to be clear in the GTA with a few clouds possible in Hamilton. More 20 km/h winds are possible in the evening in some areas including Toronto, with gusts up to 40 km/h in Toronto and up to 50 km/h in Kingston.

The overnight low will be around 12 C in the GTA.

Looking ahead to Wednesday, a mix of sun and cloudy conditions are expected in Mississauga with a 30 per cent chance of showers during the day. The high will be around 22 C while the low will be around 8 C.

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Thursday could be similar with a mix of sun and cloud, a 30 per cent chance of showers and a high of 20 C. Friday could also bring showers with a 30 per cent chance expected and a high of 18 C in Mississauga.


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