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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.
Live data from Open-Meteo · updates automatically ·
Expect a high of 15°C and a low of 7°C today, with a 40% chance of afternoon showers based on the live forecast above. You will want an umbrella handy for the evening commute, as precipitation is most likely between 4 p.m. and 8 p.m.
Will it rain tomorrow in Thornhill?
Tomorrow’s high reaches 18°C under mixed sun and cloud, with a 30% chance of a brief shower by late afternoon. The UV index is moderate at 4, so consider sunglasses if you are out between 11 a.m. and 3 p.m.
How do the 7-day and 14-day trends look?
The 7-day outlook shows daytime highs climbing from 14°C on Thursday to a mild 21°C by Sunday, with overnight lows staying near 10°C. For the 14-day and 30-day ranges, the pattern suggests near-seasonal temperatures overall, though a cooler system may arrive around next Wednesday. Check the Toronto Weather page for daily updates.
Where can I find Thornhill weather hourly updates?
The live forecast above refreshes every hour, giving you temperature, precipitation chance and wind speed for the next 24 hours. For a fuller hourly breakdown, visit the Canada weather hub and search your exact location.
What is the weather in Thornhill tomorrow for morning walks?
Morning starts near 9°C with partly cloudy skies and no rain expected before 10 a.m. Wind stays light at 10 km/h, making it comfortable for a walk.
Is a frost warning in effect for Thornhill?
No frost advisory is active tonight. Lows settle around 7°C, which is well above freezing. Check the Weather Warning page if conditions change.