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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 ·
Gatineau’s weather today, as shown in the live forecast above, is driven by its position along the Ottawa River in the Outaouais region. Expect a mix of cloud and sun with light northwest winds, typical of early spring.
What’s the forecast for Gatineau today and this week?
Today’s high and low are displayed in the live forecast above. For an hourly breakdown, the same panel shows temperature and precipitation chances through the evening. The weather in Gatineau tomorrow should remain mainly dry, with a slight warming trend midweek as a ridge builds in from the west. Overnight lows will stay near freezing, so a jacket is advisable.
What about Gatineau weather for the next 10 to 14 days?
The 14-day outlook from Environment Canada suggests a pattern of alternating sunny spells and weak systems brushing the region. Gatineau weather radar often captures bands of light rain or snow moving in from the Great Lakes. For longer planning, the 30-day and monthly guidance points to near‑normal temperatures for April. Check the weather in Gatineau 10 days section on our Canada weather hub for extended details.
When does Gatineau get its first snowfall?
First measurable snow usually arrives in late November, though flurries can occur as early as October. The Ottawa River moderates temperatures, keeping the city slightly milder than inland Quebec towns.
Is Gatineau weather similar to Ottawa’s?
Yes—Gatineau and Ottawa share the same weather systems, with differences of a degree or two. The Ottawa River can produce localized fog or lake‑effect snow in winter, but forecasts for Ottawa are largely applicable to Gatineau.
What’s the best time for mild weather in Gatineau?
Late May to early September offers the warmest, driest conditions. July is the hottest month, while June and September provide pleasant temperatures for outdoor activities without the humidity.