Long-Range Weather Forecast for Quebec, QC

September 2026 Long Range Weather Forecast for Southern Quebec

Dates	Weather Conditions
Sep 1-4	Rainy, cool
Sep 5-10	Showers, then sunny; cool
Sep 11-14	A few showers; warm east, cool west
Sep 15-20	Sunny east, showers west; cool
Sep 21-30	Showers, cool
September	temperature 15°C (1°C above avg. east, 1°C below west) precipitation 105mm (20mm above avg.)

October 2026 Long Range Weather Forecast for Southern Quebec

Dates	Weather Conditions
Oct 1-7	Showers, then sunny; chilly
Oct 8-10	Showers, warm
Oct 11-17	Rain and snow showers, chilly
Oct 18-21	Sunny, then rainy; mild
Oct 22-31	Sunny, then showers; warm
October	temperature 8.5°C (0.5°C below avg.) precipitation 100mm (10mm above avg.)

12-Month Long-Range Weather Outlook

November 2025 to October 2026

Winter will be warmer than normal, with the coldest periods in December and early and late January. Precipitation will be above normal, with below-normal snowfall. The snowiest periods will occur in late November, early and late December, and early January. April and May will be cooler and wetter than normal. Summer will be warmer than usual, with below-normal rainfall in the east, above-normal west. The hottest periods will be in late June, early and late July, and mid-August. September and October will be warmer than normal in the east, cooler west. Precipitation will be above normal.

See the complete 12-month weather forecast in The Old Farmer’s Almanac..

Weather Trend Graph

November 2025 to October 2026