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August 11th, 2026 :: 1:48 am KST   

Local Weather Report for
Cheju
South Korea

 Current Cheju Weather Conditions Updated August 11th at 1:00 am 
Mostly Cloudy
Temperature:27°C Dew Point:22°C
Barometer:100.8 kPa Wind:N 55 Km/h
Humidity:74.1% Visibility:n/a
 
 Cheju Weather Forecast Summary  
 
Today
Aug 11th
Wednesday
Aug 12th
Thursday
Aug 13th
Friday
Aug 14th
Saturday
Aug 15th
Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
27°C
25°C
22°C
28°C
22°C
29°C
23°C
30°C
24°C
 
 Cheju Detailed Weather Forecast  
 
Tuesday, August 11th, 2026
Overnight Temperature: 24°C
Mostly clear. Windy.
Morning Temperature: 25°C
Mostly sunny. Windy.
Afternoon Temperature: 26°C
Mostly sunny. Windy.
Evening Temperature: 24°C
Mostly clear. Windy.
Wednesday, August 12th, 2026
Overnight Temperature: 23°C
Mostly clear. Windy.
Morning Temperature: 23°C
Mostly sunny. Windy.
Afternoon Temperature: 25°C
Sunny with cloudy periods. Windy.
Evening Temperature: 24°C
Clear with cloudy periods. Windy at times.
Thursday, August 13th, 2026
Overnight Temperature: 23°C
Mostly clear.
Morning Temperature: 24°C
Sunny.
Afternoon Temperature: 28°C
Mostly sunny.
Evening Temperature: 25°C
Mostly clear.
Friday, August 14th, 2026
Overnight Temperature: 24°C
Mostly clear.
Morning Temperature: 25°C
Sunny.
Afternoon Temperature: 29°C
Mostly sunny. Slight chance of a thunderstorm.
Evening Temperature: 26°C
Mostly clear.
Saturday, August 15th, 2026
Overnight Temperature: 24°C
Mostly clear.
Morning Temperature: 26°C
Mostly sunny.
Afternoon Temperature: 30°C
Mostly sunny with a chance of showers. Slight chance of a thunderstorm.
Evening Temperature: 26°C
Mostly cloudy with a chance of showers. Slight chance of a thunderstorm.
Sunday, August 16th, 2026
Overnight Temperature: 25°C
Mostly cloudy with a chance of showers.
Morning Temperature: 25°C
Mostly cloudy with a chance of showers.
Afternoon Temperature: 25°C
Cloudy with showers. Slight chance of a thunderstorm.
Evening Temperature: 25°C
A mix of cloudy and clear skies with a slight chance of showers.
Monday, August 17th, 2026
Overnight Temperature: 25°C
Mostly cloudy with a chance of showers. Slight chance of a thunderstorm.
Morning Temperature: 24°C
Mostly cloudy with a few showers.
Afternoon Temperature: 25°C
Mostly cloudy with a few showers. Slight chance of a thunderstorm.
Evening Temperature: 24°C
Mostly cloudy with a chance of showers. Slight chance of a thunderstorm.
Tuesday, August 18th, 2026
Overnight Temperature: 24°C
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm.
Morning Temperature: 25°C
A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm.
Afternoon Temperature: 26°C
A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm.
Evening Temperature: 25°C
A mix of clear and cloudy skies. Slight chance of a thunderstorm.
Wednesday, August 19th, 2026
Overnight Temperature: 23°C
Clear.
Morning Temperature: 25°C
Mostly sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 28°C
Sunny with cloudy periods. Chance of a thunderstorm.
Evening Temperature: 26°C
Clear. Chance of a thunderstorm.





 

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This WeatherCity Weather Forecast for Cheju, South Korea 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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