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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Perspective Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Bundle up if you’re heading out in Toronto today; the live forecast above shows a chilly mix near Lake Ontario, with lake-effect clouds keeping conditions raw. This pattern holds as a brisk northwest flow settles over the city.
What is driving Toronto’s current weather?
A cold air mass sweeping down from northern Ontario is colliding with the relatively warmer waters of Lake Ontario, triggering lake-effect cloud bands east of the city. For Toronto proper, this means overcast skies and a biting wind off the lake, with temperatures feeling several degrees colder than the thermometer reads. Residents in neighbourhoods like Scarborough and Etobicoke should expect patchy flurries or drizzle near the shoreline through the afternoon.
How does this compare to seasonal norms?
Toronto’s early-spring average high typically hovers in the low single digits Celsius, so today’s chill is a few degrees below that. The gusty northwest wind, sustained near 30 km/h, adds a noticeable wind chill that makes it feel more like mid-winter. This is a classic March transition—a reminder that the city’s lakeside position can delay the warm-up compared to inland communities north of the GTA.
Will this cold snap last in Toronto?
The cold air mass is expected to weaken by late week as a Pacific system pushes in. Temperatures should rise closer to seasonal averages by Friday, though lake-effect clouds may linger near the shore.
Why is the wind off Lake Ontario so biting?
Lake Ontario’s surface temperature is still near freezing this time of year. When cold air passes over the open water, it picks up moisture and heat, creating unstable clouds and a raw wind that feels harsher than inland breezes.
Should I expect any travel disruptions?
Minor delays possible on the QEW and Gardiner Expressway near the lake due to reduced visibility from lake-effect flurries. Pearson International Airport is reporting no major issues yet, but check your flight status.
Sources
For more details on conditions across the country, visit our Canada weather hub. If you’re planning a trip to western Canada, check the Calgary Weather page for a different pattern entirely. Stay safe on the roads by reviewing our Weather Warning page for any sudden changes.