Ancaster Weather Today — Ontario, Canada
Current temperature, rain chance, humidity, wind and air quality in Ancaster, plus an hourly and 3-day forecast. Updated through the day.
20:42
Fri, 18 Sep 2026
📍 Ontario, Canada
Ancaster??
16
°C
Overcast
Feels 11°C · 60°F
💧 44% Humidity
💨 ↑ 17.3 km/h NNE
👁 10 km Visibility
🌧 0 mm Precip
☁ 100% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0
Low
🔵 Pressure
1024
hPa · 30.22 in
💨 Wind
17.3
km/h · Gust 31 km/h
↑ NNE
💧 Humidity
44%
Dew point 3.2°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
15.5°
Wind chill 15.5°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
07:02 AM
🌇
Sunset
07:25 PM
📅 3-Day Forecast
Friday
18 Sep 2026
Sunny
22°
/
13°
💧54%
🌧0mm
💨19
☀️UV 5.9
Saturday
19 Sep 2026
Overcast
18°
/
13°
💧57%
🌧0mm
💨21
☀️UV 5.5
Sunday
20 Sep 2026
Overcast
19°
/
13°
💧59%
🌧0.03mm
💨16
☀️UV 1.3
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