Jeju weather live forecast

Today's maximum temperature in Jeju is expected to be 90°F. Select a day from the live weather forecast for Jeju, South Korea for more weather parameters.

Thursday
6th Aug
90

82

10

9
Friday
7th Aug
91

84

10

9
Saturday
8th Aug
91

84

9

7
Sunday
9th Aug
88

82

1

6
Monday
10th Aug
86

82

1

1

5-day weather forecast updated at 04:01 on Wednesday 5th August 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 6th August 2026

Expect isolated thunderstorms in Jeju, South Korea with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a moderate breeze of 13 mph from the east.

90
°F maximum temperature
82
°F minimum temperature
isolated thunderstorms
10
hours of sunshine
9
UV index (Very High)
19
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
13
mph wind from E

Jeju weather for Friday 7th August 2026

Expect scattered clouds in Jeju, South Korea with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the east.

91
°F maximum temperature
84
°F minimum temperature
scattered clouds
10
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
16
mph wind from E

Jeju weather for Saturday 8th August 2026

Expect scattered clouds in Jeju, South Korea with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the east.

91
°F maximum temperature
84
°F minimum temperature
scattered clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
17
mph wind from E

Jeju weather for Sunday 9th August 2026

Expect isolated thunderstorms in Jeju, South Korea with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 85% chance of some rain and a fresh breeze of 20 mph from the east.

88
°F maximum temperature
82
°F minimum temperature
isolated thunderstorms
1
hour of sunshine
6
UV index (High)
85
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
20
mph wind from E

Jeju weather for Monday 10th August 2026

Expect isolated thunderstorms in Jeju, South Korea with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 40-50 mm of rainfall expected with 92% chance of some rain and a strong breeze of 28 mph from the east.