Gravenhurst Weather Today — Ontario, Canada
Current temperature, rain chance, humidity, wind and air quality in Gravenhurst, plus an hourly and 3-day forecast. Updated through the day.
10:37
Fri, 18 Sep 2026
📍 Ontario, Canada
Gravenhurst??
13
°C
Overcast
Feels 10°C · 56°F
💧 53% Humidity
💨 ↑ 13.7 km/h NNE
👁 10 km Visibility
🌧 0 mm Precip
☁ 100% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
1.9
Low
🔵 Pressure
1025
hPa · 30.27 in
💨 Wind
13.7
km/h · Gust 22.3 km/h
↑ NNE
💧 Humidity
53%
Dew point 4°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
13.3°
Wind chill 12.1°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:59 AM
🌇
Sunset
07:23 PM
📅 3-Day Forecast
Friday
18 Sep 2026
Overcast
17°
/
10°
💧61%
🌧0mm
💨15
☀️UV 5.1
Saturday
19 Sep 2026
Overcast
17°
/
5°
💧53%
🌧0mm
💨12
☀️UV 5.1
Sunday
20 Sep 2026
Overcast
20°
/
10°
💧50%
🌧0mm
💨16
☀️UV 5
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