Alliston

Weather in Alliston today, October 25, 2026

Alliston starts October 25, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Expect a grey start, with morning cloud around 100% by 09:00. Outdoor plans early on should not rely on bright skies.Alliston starts October 25, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Expect a grey start, with morning cloud around 100% by 09:00. Outdoor plans early on should not rely on bright skies.

Temperatures climb from an overnight low near 4°C toward a daytime high of about 13°C. Moisture in the air spans 55%-94%, with the highest values around 06:00. Wind is a factor, climbing to about 38 km/h around 22:00.Temperatures climb from an overnight low near 39°F toward a daytime high of about 56°F. Moisture in the air spans 55%-94%, with the highest values around 06:00. Wind is a factor, climbing to about 24 mph around 22:00.

Expect persistent cloud later on, with amounts around 81% by 17:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 16 km on average, though it can drop toward 15.2 km in thicker cloud or showers. Sunrise is at 07:50 and sunset at 17:58, giving 10 hours 8 minutes of sunlight today.Expect persistent cloud later on, with amounts around 81% by 17:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 10 mi on average, though it can drop toward 9.4 mi in thicker cloud or showers. Sunrise is at 07:50 and sunset at 17:58, giving 10 hours 8 minutes of sunlight today.

Taken together, lively winds in Alliston on October 25, 2026 matter as much as the temperature high of about 13°C.Taken together, lively winds in Alliston on October 25, 2026 matter as much as the temperature high of about 56°F.