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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Toronto Post Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Dress for a cooling evening: according to the live forecast above, temperatures will drop to a range of 8°C to 12°C overnight, with partly cloudy skies and a light northwest wind at 15 to 25 km/h. This means a calm but noticeably cooler night than the daytime high.
What should I expect for the overnight low?
The mercury will settle near 10°C by midnight, with the coolest conditions just before dawn. The wind chill will make it feel closer to 7°C in exposed areas, so a light jacket or sweater is recommended if you’re heading out. No precipitation is expected, but patchy fog may develop in low-lying areas by early morning.
How does this compare to the rest of the week?
Tonight’s conditions are typical for a stable autumn pattern across southern Ontario. A ridge of high pressure will keep the night dry, though a weak front could bring a slight chance of drizzle before sunrise. For a broader look at conditions across the country, visit our Canada weather hub or check the Toronto Weather page for the week ahead.
Will it rain tonight?
No, the chance of rain is minimal—under 10%—as high pressure dominates. A stray pocket of drizzle is possible near Lake Ontario just before dawn, but most areas will stay dry.
Is there a frost warning for tonight?
No frost advisory is in effect for the Greater Toronto Area tonight. However, outlying areas like Mount Forest may see temperatures near freezing, as reflected in the mount forest weather 14-day outlook.
How does this compare to weather in Newfoundland?
Newfoundland is under a different pattern tonight: for reference, vocm weather reports a cooler, wetter system near St. John’s, with rain likely. Check environment canada 14 day forecast near st john’s nl for specifics, or our Weather Warning page for any alerts.