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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.
Live data from Open-Meteo · updates automatically ·
Magog’s weather today, as shown in the live forecast above, is typical for this lakeside town in Quebec’s Eastern Townships—cool mornings giving way to moderate afternoon highs, with a chance of lake-effect showers off Lake Memphremagog.
What is the seasonal pattern for Magog?
Magog sits between the lake and the surrounding hills, which moderates temperature swings. Winters are cold and snowy, with average January highs near –6 °C. Summers are warm but not oppressive, with July highs around 24 °C. Spring and fall bring rapid shifts — expect frost into late May and again by early October. The lake can hold a breeze that feels cooler than the actual air temperature, especially in shoulder seasons.
How does Lake Memphremagog affect local conditions?
The lake’s large surface area creates a microclimate. In late autumn and early winter, the relatively warm lake water can trigger narrow bands of snow squalls just downwind of the water. In spring, the lake delays the full warm‑up, keeping shoreline areas a few degrees cooler than inland spots like Sherbrooke. This same effect can also produce local fog on still mornings from late summer through early winter.
What is the best way to get a reliable Magog forecast?
Environment and Climate Change Canada issues the official forecasts for Magog. For hourly details and radar, check the weather network magog page or accuweather magog for extended outlooks; both reference the same government data.
Does Magog get extreme heat or cold?
Summer heat waves can push temperatures above 30 °C, but the lake usually keeps the worst heat at bay. In winter, Arctic outbreaks can drop the mercury below –30 °C for a day or two, but such cold snaps are brief.
When is the best time to visit Magog for outdoor activities?
Late June through early September offers the most reliable warm weather for hiking, cycling, and water sports. For winter sports, January and February have the deepest snowpack and most consistent cold — ideal for skiing at nearby Mont‑Orford.
Sources
For broader conditions across the country, see our Canada weather hub. If you’re checking conditions in other regions, our Calgary weather and Ottawa weather pages offer similar local detail. For severe alerts, visit Weather Warning.