Marathon Weather Today — Ontario, Canada
Current temperature, rain chance, humidity, wind and air quality in Marathon, plus an hourly and 3-day forecast. Updated through the day.
10:29
Fri, 18 Sep 2026
📍 Ontario, Canada
Marathon??
6
°C
Overcast
Feels 4°C · 43°F
💧 61% Humidity
💨 ↗ 10.1 km/h NE
👁 10 km Visibility
🌧 0 mm Precip
☁ 100% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
1.1
Low
🔵 Pressure
1031
hPa · 30.44 in
💨 Wind
10.1
km/h · Gust 15.5 km/h
↗ NE
💧 Humidity
61%
Dew point -0.8°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
6.1°
Wind chill 4°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
07:26 AM
🌇
Sunset
07:52 PM
📅 3-Day Forecast
Friday
18 Sep 2026
Sunny
14°
/
4°
💧59%
🌧0mm
💨12
☀️UV 4
Saturday
19 Sep 2026
Cloudy
14°
/
7°
💧65%
🌧0.99mm
💨18
☀️UV 4.3
Sunday
20 Sep 2026
Sunny
12°
/
6°
💧74%
🌧0.44mm
💨19
☀️UV 4.6
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