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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the BuzzLayer Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
For most of southern Ontario and the Greater Toronto Area, next week brings a shift toward cooler-than-normal temperatures with a mix of sun and scattered showers, while Calgary and Edmonton see a return to seasonal highs near 20°C after a brief warm spell.
What is the weather outlook for Toronto and southern Ontario next week?
Toronto and the surrounding region can expect a pattern change starting Monday, with daytime highs dropping to the low 20s Celsius—about 3 to 5 degrees below the late-August average. A series of weak low-pressure systems will bring occasional rain, especially Tuesday and Thursday, but no prolonged downpours. Overnight lows will settle near 14°C, making for cool evenings. For those checking the toronto weather 14 day or weather in toronto 10 days outlook, the cooler trend is likely to persist into the following week.
How will Calgary and Edmonton fare next week?
Calgary’s weather next week starts with a ridge of high pressure, pushing daytime highs to 24°C on Monday and Tuesday before a cold front drops them to 18°C by Thursday. Edmonton will see similar highs near 22°C early in the week, then cooling to 16°C with a chance of afternoon thunderstorms Wednesday. Both cities will stay mostly dry, though the calgary weather next week forecast includes a 40% chance of showers Friday. For longer-range planning, the toronto weather 30 days and toronto weather 21 day forecast tools on our Canada weather hub can help track these shifts.
Will next week be warmer than average anywhere in Canada?
Yes—Vancouver and coastal British Columbia will see highs near 24°C, about 2 degrees above normal, with dry conditions through Wednesday. The rest of the country trends near or below seasonal averages.
Should I expect any weather warnings next week?
No widespread warnings are in effect as of now, but a low-pressure system moving through the Great Lakes could trigger localized thunderstorm watches for southern Ontario by midweek. Check our Weather Warning page for updates.
How reliable are 14-day and 30-day forecasts for Toronto?
Forecasts beyond 7 days have lower accuracy, but the toronto weather 15 days and toronto weather 21 day forecast models show a consistent cool pattern. For the most reliable outlook, check the 10-day forecast from Environment Canada.