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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Edition Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Tuesday morning will bring a mix of sun and cloud across Tornto, with the live forecast above showing a high near 22°C and a light breeze off Lake Ontario. No rain is expected until late evening, making it a fine day for outdoor plans.
What is the weekend outlook for Tornto?
Tornto residents can expect a warm and humid weekend as a ridge of high pressure settles over the region. Saturday should see highs near 26°C under mostly sunny skies, though a cold front arriving Sunday afternoon could trigger scattered thunderstorms. Keep an eye on the live forecast above for any changes.
How does Lake Ontario affect Tornto’s weather?
Lake Ontario acts as a moderating influence on Tornto’s climate, keeping lakeside neighbourhoods cooler in spring and warmer in autumn compared to inland parts of the GTA. During summer, the lake can also fuel lake-breeze thunderstorms that roll in from the south.
Will Tornto see any heat warnings this week?
No heat warnings are currently in effect for Tornto. Humidex values will stay below 30 through Friday, though the weekend may bring higher humidity. Check the Weather Warning page for updates.
Is the UV index high in Tornto today?
The UV index is forecast at 7 (high) for Tornto today. Sun protection, including sunscreen and a hat, is recommended between 11 a.m. and 3 p.m. when the sun is strongest.
What’s the best time to visit the Toronto Islands this week?
Wednesday and Thursday mornings will offer calm lake conditions and temperatures near 24°C, ideal for a ferry trip. Afternoon winds could pick up, so plan for an early start.
For conditions across the country, visit the Canada weather hub. For a closer look at other major cities, see Ottawa Weather or Vancouver Weather.