Alliston Weather Today — Ontario, Canada
Current temperature, rain chance, humidity, wind and air quality in Alliston, plus an hourly and 3-day forecast. Updated through the day.
00:11
Sat, 19 Sep 2026
📍 Ontario, Canada
Alliston??
10
°C
Overcast
Feels 8°C · 50°F
💧 57% Humidity
💨 ↗ 9 km/h NE
👁 10 km Visibility
🌧 0 mm Precip
☁ 100% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0
Low
🔵 Pressure
1025
hPa · 30.27 in
💨 Wind
9
km/h · Gust 23.5 km/h
↗ NE
💧 Humidity
57%
Dew point 2°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
10°
Wind chill 8.9°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
07:03 AM
🌇
Sunset
07:23 PM
📅 3-Day Forecast
Saturday
19 Sep 2026
Overcast
17°
/
7°
💧59%
🌧0mm
💨16
☀️UV 5.4
Sunday
20 Sep 2026
Overcast
19°
/
9°
💧66%
🌧1.67mm
💨22
☀️UV 3.9
Monday
21 Sep 2026
Overcast
13°
/
4°
💧58%
🌧0mm
💨16
☀️UV 4.3
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