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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scope Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Over the next seven days, Ottawa will see a mix of seasonal conditions, with daytime highs climbing into the mid-teens and overnight lows near freezing. The live forecast above shows the daily breakdown, including a chance of showers midweek and sunny intervals toward the weekend.
What weather patterns are expected this week?
A slow-moving low-pressure system will keep skies unsettled from Tuesday through Thursday, bringing occasional rain and gusty winds. By Friday, a ridge of high pressure builds in, offering drier and milder conditions for the weekend. If you are checking the weather in ottawa 10 days outlook, note that the pattern could shift quickly, so the live forecast above remains the best reference.
How does this 7-day period compare to late‑spring averages?
Ottawa’s average high for this time of year is about 16°C, and this week’s highs will sit close to that mark. Overnight lows will dip a few degrees below average, especially early in the week. Those planning ahead for the weather in ottawa tomorrow or the ottawa weather 14 day trend should monitor the Environment Canada updates for any changes.
When will the rain be heaviest this week?
The heaviest rain is expected Wednesday afternoon and evening, with accumulations of 10–15 mm. Showers may linger into Thursday morning, so the weather network ottawa 7 days report on the live forecast above gives hourly detail.
Could we see any late‑season snow?
No snow is forecast for this 7-day period. Overnight lows will stay above freezing after Monday, so any precipitation will fall as rain. For the ottawa weather 30 days outlook, frost remains possible into early June.
How reliable is a 7‑day forecast for Ottawa?
Environment Canada’s 7-day forecast is generally accurate for broad trends, but day‑to‑day details can shift. Checking the live forecast above daily, along with the weather ottawa 7 days hourly view, helps you plan around changing conditions.
Sources
For broader national conditions, visit our Canada weather hub. If you are planning travel, check the Toronto Weather or Ottawa Weather page. Stay informed about any severe alerts on our Weather Warning page.