Ontario — Algonquin & Muskoka foliage in 2025

The season as it actually happened, from daily ERA5 weather observations.

Peak hit around September 15

First strong color ~August 29 · past peak ~September 24 · bare by ~October 4

Color starts: August 29Peak: September 15Bare: October 4AugustDecember

Derived from 244 weather anchors · spread across the region ±11 days (higher elevations run earlier).

Current Ontario — Algonquin & Muskoka forecastReplay 2025 on the map