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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.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows Toronto’s current temperature in Celsius. The city’s humid continental climate, moderated by Lake Ontario, typically sees January highs near -1°C and July highs around 27°C, though today’s reading may differ based on current conditions.
What’s the typical Toronto temperature range by season?
Winter in Toronto averages between -7°C and -1°C, with the coldest stretch in mid-January. Spring and fall see daytime highs of 10°C to 20°C. Summer temperatures often reach the upper 20s Celsius, occasionally climbing above 30°C with humidity. For a detailed outlook, check the Toronto weather page, which also includes the toronto weather 7 days and toronto weather 14 day forecasts.
How does Lake Ontario influence Toronto’s daily Celsius readings?
The lake acts as a temperature buffer, keeping the shoreline cooler in spring and warmer in autumn compared to inland areas. This effect is most noticeable in the weather in toronto tomorrow and toronto weather 15 days forecasts, where south winds can drop daytime highs by several degrees. The Canada weather hub provides more regional context, and for severe conditions see the weather warning page.
When does Toronto get its hottest weather in Celsius?
The hottest period is typically late July to early August, with average highs near 27°C. Heat waves can push temperatures above 35°C when humid air from the Great Lakes stalls over the city.
What is the coldest month in Toronto?
January is the coldest, with average lows of -7°C and highs just below freezing. Occasional polar vortex events can send temperatures below -20°C, especially in the suburbs away from the lake.
How reliable are the toronto weather 30 days forecasts in Celsius?
Long-range forecasts (30-day) provide general temperature trends but have lower accuracy beyond 10 days. For more reliable planning, use the weather in toronto 10 days forecast from Environment and Climate Change Canada.