Jeju weather live forecast

Today's maximum temperature in Jeju is expected to be 79°F. Select a day from the live weather forecast for Jeju, South Korea for more weather parameters.

Thursday
18th Jun
79

73

5

7
Friday
19th Jun
79

73

0

1
Saturday
20th Jun
79

73

2

4
Sunday
21st Jun
79

72

5

8
Monday
22nd Jun
77

72

3

6

5-day weather forecast updated at 04:01 on Wednesday 17th June 2026 GMT

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The 5-day weather forecast for South Korea (Jeju) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Jeju weather forecast by day

Below are the detailed weather forecasts for Jeju for the next 5 days.

Jeju weather for Thursday 18th June 2026

Expect broken clouds in Jeju, South Korea with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the north-east.

79
°F maximum temperature
73
°F minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
5
mph wind from NE

Jeju weather for Friday 19th June 2026

Expect isolated thunderstorms in Jeju, South Korea with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 84% chance of some rain and a light breeze of 6 mph from the east.

79
°F maximum temperature
73
°F minimum temperature
isolated thunderstorms
0
hours of sunshine
1
UV index (Low)
84
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
6
mph wind from E

Jeju weather for Saturday 20th June 2026

Expect isolated thunderstorms in Jeju, South Korea with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 79% chance of some rain and a gentle breeze of 11 mph from the west.

79
°F maximum temperature
73
°F minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
79
% chance of some rain
<40
mm of rainfall expected
L
low heat & humidity
11
mph wind from W

Jeju weather for Sunday 21st June 2026

Expect isolated thunderstorms in Jeju, South Korea with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 24% chance of some rain and a light breeze of 7 mph from the north-east.

79
°F maximum temperature
72
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
24
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
7
mph wind from NE

Jeju weather for Monday 22nd June 2026

Expect isolated thunderstorms in Jeju, South Korea with a maximum temperature of 77°F, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a gentle breeze of 9 mph from the east.