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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 ·
Keep a light jacket and an umbrella handy when heading out in Mississauga today, because the live forecast above shows a chance of scattered showers moving in from Lake Ontario this afternoon.
Will it rain today and in the coming days?
The live forecast above gives the clearest picture for today, but if you are planning ahead, the weather mississauga 14 days outlook suggests a drying trend by midweek. Overnight lows will drop to single digits, so layer up for any evening walks near Port Credit. For those checking the weather in mississauga tomorrow, expect similar conditions with a slight chance of lingering drizzle.
How detailed is the short-term outlook?
The weather in mississauga hourly breakdown in the live forecast above is your best bet for timing your commute or outdoor plans. If you need a longer view, the weather in mississauga 10 days and even the 21 day weather forecast mississauga are available through Environment Canada’s extended products, though confidence falls after a week. Very long-range numbers like weather in mississauga 30 days should be treated as broad trends only.
Should I expect heavy rain or just a few showers?
The live forecast above indicates light to moderate showers. Heavy downpours are unlikely, but a brief thunderstorm cannot be ruled out near the lake. Keep an eye on radar if you are heading out.
Will the weather clear by the weekend?
Based on the current weather in mississauga 10 days outlook, a ridge of high pressure should build in by Friday, bringing drier conditions and more sunshine. Temperatures will remain near seasonal norms.
Where can I find the most reliable forecast for Mississauga?
Environment and Climate Change Canada provides official warnings and hourly updates. The Canada weather hub on this site also aggregates the latest data. For hyper‑local details, check the live forecast above or the Toronto Weather page, as Mississauga often shares similar conditions.