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September 18th, 2025 :: 2:12 am EDT   

Local Weather Report for
Blenheim
Ontario, Canada

 Current Blenheim Weather Conditions Updated September 18th at 12:46 am 
mist
Temperature:15°C Dew Point:15°C
Barometer:101.7 kPa Wind:N 10 Km/h
Humidity:100.0% Visibility:0 Km
 
 Blenheim Weather Forecast Summary  
 
Today
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Sunny Mix of Cloud and Sun Cloudy Showers Cloudy
31°C
27°C
13°C
24°C
12°C
30°C
16°C
28°C
18°C
 
 Blenheim Detailed Weather Forecast  
 
Thursday, September 18th, 2025
Overnight Temperature: 15°C
Clear.
Morning Temperature: 28°C
Sunny.
Afternoon Temperature: 26°C
Sunny. Windy at times.
Evening Temperature: 16°C
Clear.
Friday, September 19th, 2025
Overnight Temperature: 14°C
A mix of cloudy and clear skies.
Morning Temperature: 24°C
Sunny.
Afternoon Temperature: 21°C
Sunny. Windy at times.
Evening Temperature: 13°C
Clear. Windy at times.
Saturday, September 20th, 2025
Overnight Temperature: 13°C
Clear. Windy at times.
Morning Temperature: 23°C
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 21°C
Cloudy. Windy at times.
Evening Temperature: 15°C
A mix of clear and cloudy skies. Windy at times.
Sunday, September 21st, 2025
Overnight Temperature: 17°C
Clear.
Morning Temperature: 27°C
A mix of cloud and sun. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 25°C
A mix of sun and cloud with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 18°C
Cloudy with a few showers. Windy at times.
Monday, September 22nd, 2025
Overnight Temperature: 18°C
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 24°C
Mostly sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 25°C
Cloudy. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 19°C
Cloudy with a chance of showers.
Tuesday, September 23rd, 2025
Overnight Temperature: 19°C
Cloudy with showers likely.
Morning Temperature: 23°C
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 20°C
Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 18°C
Cloudy with showers likely.
Wednesday, September 24th, 2025
Overnight Temperature: 13°C
Mostly clear.
Morning Temperature: 23°C
Sunny with cloudy periods. Windy.
Afternoon Temperature: 22°C
Cloudy.
Evening Temperature: 14°C
A mix of cloudy and clear skies.
Thursday, September 25th, 2025
Overnight Temperature: 12°C
Cloudy.
Morning Temperature: 20°C
Cloudy.
Afternoon Temperature: 19°C
Sunny. Windy at times.
Evening Temperature: 12°C
Clear.





 

  [ Local Weather Report ]
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Ridgetown, ON 
 
Chatham, ON 
12:46 AM  15°C
mist
 
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12:46 AM  15°C
mist
 
Merlin, ON 
12:46 AM  15°C
mist
 
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This WeatherCity Weather Forecast for Blenheim, 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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