Ontario's fall weather forecast has just been revealed and it'll be wildly unpredictable
Are you dreaming of pumpkin spice lattes? 🍂
Ontario's fall weather forecast has been released early and here's what to expect.
Ontario's fall weather forecast is in, and if you're hoping for a calm, cozy season, you may want to keep your umbrella (and maybe your snow brush) close at hand.
According to the Farmers' Almanac's 2025 extended fall forecast, this autumn will be anything but predictable. While the season is expected to trend cooler than average across most of the country, southern Ontario is in for a few warm and pleasant surprises, especially in early October and again in mid-November.
But don't get too comfortable. October is shaping up to be particularly wet, with heavy showers and even thunderstorms expected to roll through the province. It's part of a broader national trend, with rain playing a central role in Canada's fall storyline this year.
Thanksgiving weekend (October 13) could be one of the few picture-perfect moments in the season. Ontario is expected to enjoy mild, partly sunny conditions — just in time for family feasts and afternoon walks through the changing leaves. It may be one of the last truly comfortable weekends before the weather takes a colder turn.
As Halloween creeps closer, the weather is expected to pull a trick of its own. The forecast suggests a mix of rain and possibly even wet snow in parts of Ontario on October 31, which could make for a soggy, chilly night for trick-or-treaters. Waterproof costumes and warm layers are highly recommended.
It's a different scene from last year's Halloween, as Toronto reached a high of 22 C on October 31, 2024.
Heading into November, the province may start to see its first taste of winter. While widespread snow isn't expected right away, signs indicate that colder air is settling in and a higher chance of mixed precipitation.
All in all, fall 2025 is expected to be a rollercoaster of temperatures and conditions in Ontario. Expect cool spells, bursts of warmth, and more than a few days where it feels like all four seasons in one.
Enjoy the golden leaves while they last — this year, they may not stick around for long.
This article's cover image was used for illustrative purposes only.
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