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September 17th, 2025 :: 8:42 pm EDT   

Local Weather Report for
Gravenhurst
Ontario, Canada

 Current Gravenhurst Weather Conditions Updated September 17th at 8:00 pm 
Temperature:21°C Dew Point:13°C
Barometer:101.7 kPa Wind:N 21 Km/h
Humidity:60.2% Visibility:0 Km
 
 Gravenhurst Weather Forecast Summary  
 
Today
Sep 17th
Thursday
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Cloudy Cloudy Sunny Sunny Cloudy
26°C
25°C
11°C
19°C
6°C
19°C
4°C
25°C
5°C
 
 Gravenhurst Detailed Weather Forecast  
 
Wednesday, September 17th, 2025
Evening Temperature: 13°C
Mostly clear.
Thursday, September 18th, 2025
Overnight Temperature: 12°C
Clear.
Morning Temperature: 23°C
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 19°C
A mix of cloud and sun. Windy at times.
Evening Temperature: 12°C
Cloudy.
Friday, September 19th, 2025
Overnight Temperature: 7°C
Clear.
Morning Temperature: 17°C
Sunny.
Afternoon Temperature: 15°C
Sunny.
Evening Temperature: 7°C
Clear.
Saturday, September 20th, 2025
Overnight Temperature: 5°C
Clear.
Morning Temperature: 17°C
Sunny.
Afternoon Temperature: 15°C
Sunny.
Evening Temperature: 7°C
Clear.
Sunday, September 21st, 2025
Overnight Temperature: 6°C
Clear.
Morning Temperature: 21°C
Sunny. Windy at times.
Afternoon Temperature: 22°C
A mix of sun and cloud. Windy at times.
Evening Temperature: 16°C
Cloudy with a chance of showers.
Monday, September 22nd, 2025
Overnight Temperature: 16°C
Cloudy with a slight chance of showers.
Morning Temperature: 17°C
Cloudy with showers likely.
Afternoon Temperature: 17°C
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Evening Temperature: 15°C
Clear with cloudy periods.
Tuesday, September 23rd, 2025
Overnight Temperature: 15°C
Clear with cloudy periods.
Morning Temperature: 19°C
Cloudy with a chance of showers.
Afternoon Temperature: 18°C
Cloudy with a few showers.
Evening Temperature: 18°C
Cloudy with showers likely.
Wednesday, September 24th, 2025
Overnight Temperature: 17°C
Cloudy with showers likely.
Morning Temperature: 21°C
Mostly sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 20°C
A mix of cloud and sun.
Evening Temperature: 13°C
Cloudy with showers likely.
Thursday, September 25th, 2025
Overnight Temperature: 12°C
Cloudy with a chance of showers.
Morning Temperature: 18°C
Cloudy.
Afternoon Temperature: 16°C
Cloudy with sunny periods with a chance of showers.
Evening Temperature: 10°C
Cloudy.





 

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This WeatherCity Weather Forecast for Gravenhurst, Ontario, Canada is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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