Cheju (South Korea) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 30° Celsius; Minimum nighttime temperature: 23° Celsius;
Maximum daytime temperature: 30° Celsius; Minimum nighttime temperature: 23° Celsius; -
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 23° Celsius;
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 23° Celsius; -
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 22° Celsius;
-
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 21° Celsius;
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 21° Celsius; -
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 23° Celsius;
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 23° Celsius;
-
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 23° Celsius;
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 23° Celsius;
-
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 23° Celsius;
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 23° Celsius;
Sunny changing to drizzle by early evening.
Sunrise:
Sunset:
VH UV
No pollution data.
No pollen data.
7 day forecast for Cheju
Today (16 September 2025)
| Time |
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
 |
|
|
|
 |
 |
|
|
|
|
|
|
|
|
|
|
|
 |
 |
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
30%
|
20%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
40%
|
40%
|
30%
|
30%
|
| Temperature |
25°
|
25°
|
25°
|
25°
|
24°
|
24°
|
26°
|
28°
|
28°
|
29°
|
30°
|
30°
|
30°
|
30°
|
30°
|
29°
|
29°
|
28°
|
27°
|
27°
|
27°
|
26°
|
25°
|
| Feels like temperature (°C) |
28°
|
28°
|
28°
|
27°
|
27°
|
27°
|
29°
|
31°
|
32°
|
32°
|
33°
|
33°
|
33°
|
32°
|
31°
|
30°
|
30°
|
29°
|
28°
|
28°
|
29°
|
28°
|
27°
|
| Wind direction and speed |
S
3
|
S
2
|
S
2
|
S
3
|
S
3
|
S
3
|
S
3
|
SSW
4
|
SSW
6
|
SW
8
|
SW
9
|
SW
11
|
SW
11
|
SW
13
|
SW
14
|
SW
14
|
SW
13
|
SW
13
|
WSW
12
|
WSW
10
|
W
10
|
W
8
|
WNW
8
|
| Wind gust (mph) |
4
|
4
|
5
|
5
|
5
|
5
|
7
|
10
|
13
|
16
|
18
|
19
|
21
|
23
|
23
|
21
|
21
|
20
|
17
|
17
|
16
|
13
|
13
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
M
|
M
|
| Humidity |
85%
|
86%
|
87%
|
88%
|
88%
|
88%
|
89%
|
88%
|
87%
|
86%
|
85%
|
84%
|
84%
|
84%
|
84%
|
85%
|
86%
|
87%
|
89%
|
91%
|
91%
|
92%
|
92%
|
| UV | - | - | - | - | - | - | 1 | 2 | 4 | 6 | 8 | 9 | 7 | 6 | 4 | 2 | 1 | - | - | - | - | - | - |
Thursday (17 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
30%
|
40%
|
40%
|
40%
|
30%
|
20%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
25°
|
25°
|
24°
|
24°
|
24°
|
23°
|
23°
|
23°
|
24°
|
24°
|
25°
|
25°
|
26°
|
26°
|
27°
|
27°
|
26°
|
26°
|
25°
|
24°
|
24°
|
24°
|
24°
|
23°
|
| Feels like temperature (°C) |
27°
|
26°
|
26°
|
25°
|
25°
|
24°
|
24°
|
25°
|
25°
|
26°
|
26°
|
27°
|
27°
|
28°
|
28°
|
28°
|
28°
|
27°
|
26°
|
24°
|
23°
|
23°
|
23°
|
22°
|
| Wind direction and speed (mph) |
WNW
7
|
NW
8
|
NW
8
|
NW
8
|
NNW
7
|
NNW
6
|
NNW
7
|
NNW
7
|
NNW
7
|
N
6
|
N
7
|
N
6
|
N
6
|
N
7
|
N
7
|
N
6
|
NNE
6
|
NNE
8
|
NE
10
|
NE
12
|
ENE
13
|
ENE
14
|
E
14
|
E
14
|
| Wind gust (mph) |
13
|
14
|
14
|
13
|
12
|
12
|
12
|
11
|
12
|
13
|
13
|
14
|
14
|
15
|
14
|
14
|
14
|
16
|
19
|
21
|
22
|
22
|
22
|
23
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
VG
|
G
|
| Humidity |
92%
|
91%
|
91%
|
87%
|
86%
|
85%
|
85%
|
84%
|
81%
|
79%
|
77%
|
77%
|
76%
|
76%
|
77%
|
77%
|
79%
|
81%
|
84%
|
84%
|
84%
|
83%
|
83%
|
83%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 4 | 6 | 7 | 8 | 8 | 6 | 4 | 2 | 1 | - | - | - | - | - | - |
Friday (18 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
30%
|
30%
|
30%
|
20%
|
30%
|
40%
|
40%
|
30%
|
30%
|
30%
|
30%
|
30%
|
20%
|
30%
|
40%
|
| Temperature (°C) |
23°
|
23°
|
23°
|
23°
|
23°
|
23°
|
23°
|
24°
|
25°
|
25°
|
26°
|
27°
|
27°
|
26°
|
27°
|
27°
|
26°
|
26°
|
25°
|
24°
|
24°
|
24°
|
23°
|
23°
|
| Feels like temperature (°C) |
22°
|
22°
|
22°
|
22°
|
22°
|
22°
|
22°
|
23°
|
24°
|
25°
|
26°
|
27°
|
28°
|
27°
|
28°
|
28°
|
28°
|
27°
|
26°
|
25°
|
25°
|
25°
|
25°
|
25°
|
| Wind direction and speed (mph) |
E
14
|
E
14
|
E
13
|
E
13
|
E
14
|
E
14
|
E
14
|
E
14
|
E
14
|
E
14
|
E
13
|
ESE
12
|
ESE
11
|
ESE
11
|
ESE
10
|
ESE
9
|
ESE
8
|
ESE
8
|
ESE
8
|
ESE
7
|
SE
5
|
SSE
4
|
S
4
|
SSW
4
|
| Wind gust (mph) |
22
|
21
|
20
|
21
|
22
|
22
|
22
|
22
|
22
|
21
|
21
|
20
|
18
|
18
|
17
|
15
|
14
|
13
|
13
|
11
|
10
|
8
|
9
|
9
|
| Visibility (description) |
G
|
VG
|
VG
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
83%
|
83%
|
83%
|
84%
|
84%
|
83%
|
83%
|
83%
|
82%
|
80%
|
81%
|
77%
|
77%
|
77%
|
76%
|
77%
|
77%
|
78%
|
78%
|
78%
|
78%
|
79%
|
81%
|
81%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 4 | 5 | 7 | 6 | 6 | 4 | 3 | 1 | 1 | - | - | - | - | - | - |
Saturday (19 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
40%
|
40%
|
40%
|
50%
|
50%
|
40%
|
40%
|
40%
|
50%
|
40%
|
30%
|
20%
|
30%
|
20%
|
10%
|
20%
|
20%
|
30%
|
30%
|
20%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
23°
|
23°
|
23°
|
23°
|
23°
|
23°
|
22°
|
23°
|
23°
|
24°
|
24°
|
25°
|
25°
|
25°
|
25°
|
25°
|
25°
|
24°
|
24°
|
23°
|
22°
|
22°
|
22°
|
22°
|
| Feels like temperature (°C) |
25°
|
25°
|
25°
|
25°
|
24°
|
24°
|
23°
|
24°
|
25°
|
25°
|
25°
|
26°
|
26°
|
27°
|
26°
|
26°
|
26°
|
25°
|
24°
|
23°
|
22°
|
22°
|
22°
|
22°
|
| Wind direction and speed (mph) |
SW
4
|
WSW
5
|
W
5
|
NW
6
|
NW
7
|
NW
8
|
NNW
7
|
NNW
6
|
NNW
7
|
N
7
|
N
7
|
N
8
|
N
8
|
N
7
|
N
8
|
N
7
|
N
8
|
N
7
|
NNE
8
|
NNE
8
|
NNE
9
|
NNE
9
|
NNE
8
|
NE
8
|
| Wind gust (mph) |
11
|
11
|
10
|
13
|
13
|
13
|
12
|
13
|
13
|
13
|
14
|
14
|
15
|
15
|
15
|
15
|
14
|
14
|
14
|
16
|
16
|
13
|
15
|
14
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
M
|
M
|
G
|
G
|
M
|
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
| Humidity |
81%
|
83%
|
84%
|
84%
|
86%
|
89%
|
89%
|
90%
|
89%
|
89%
|
89%
|
86%
|
83%
|
80%
|
79%
|
79%
|
80%
|
80%
|
79%
|
80%
|
80%
|
79%
|
79%
|
79%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 3 | 4 | 3 | 7 | 5 | 5 | 4 | 2 | 1 | - | - | - | - | - | - |
Sunday (20 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
30%
|
20%
|
30%
|
20%
|
10%
|
10%
|
| Temperature (°C) |
22°
|
22°
|
21°
|
22°
|
22°
|
21°
|
22°
|
22°
|
23°
|
24°
|
26°
|
25°
|
24°
|
23°
|
| Feels like temperature (°C) |
22°
|
22°
|
21°
|
22°
|
22°
|
22°
|
22°
|
22°
|
23°
|
23°
|
25°
|
24°
|
23°
|
21°
|
| Wind direction and speed (mph) |
NE
8
|
NE
8
|
NE
8
|
NNE
7
|
NNE
8
|
NNE
7
|
NE
8
|
NE
9
|
NE
10
|
NE
12
|
ENE
15
|
ENE
16
|
ENE
17
|
E
17
|
| Wind gust (mph) |
13
|
13
|
13
|
12
|
13
|
13
|
15
|
17
|
20
|
25
|
26
|
28
|
29
|
28
|
| Visibility (description) |
VG
|
G
|
VG
|
VG
|
G
|
G
|
VG
|
G
|
VG
|
G
|
VG
|
G
|
VG
|
VG
|
| Humidity |
79%
|
79%
|
80%
|
80%
|
81%
|
82%
|
82%
|
83%
|
84%
|
83%
|
79%
|
79%
|
81%
|
79%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 4 | 6 | 3 | - | - |
Monday (21 September 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
23°
|
23°
|
23°
|
25°
|
26°
|
26°
|
24°
|
24°
|
| Feels like temperature (°C) |
21°
|
21°
|
21°
|
23°
|
24°
|
24°
|
22°
|
20°
|
| Wind direction and speed (mph) |
ENE
17
|
ENE
16
|
ENE
17
|
ENE
18
|
ENE
19
|
ENE
19
|
ENE
19
|
ENE
21
|
| Wind gust (mph) |
28
|
27
|
29
|
32
|
32
|
32
|
34
|
35
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
80%
|
82%
|
83%
|
82%
|
77%
|
78%
|
78%
|
78%
|
| UV | - | - | - | 3 | 7 | 3 | - | - |
Tuesday (22 September 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
30%
|
30%
|
20%
|
20%
|
10%
|
20%
|
20%
|
| Temperature (°C) |
23°
|
23°
|
23°
|
25°
|
26°
|
26°
|
25°
|
24°
|
| Feels like temperature (°C) |
20°
|
20°
|
20°
|
22°
|
23°
|
23°
|
22°
|
21°
|
| Wind direction and speed (mph) |
ENE
21
|
ENE
21
|
ENE
21
|
ENE
22
|
ENE
22
|
E
21
|
E
21
|
E
19
|
| Wind gust (mph) |
35
|
35
|
36
|
38
|
38
|
36
|
34
|
30
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
| Humidity |
79%
|
79%
|
83%
|
79%
|
79%
|
78%
|
78%
|
78%
|
| UV | - | - | - | 3 | 7 | 3 | - | - |
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Forecast for 01:00 (UTC+9), Wed
Updated 13:28 (UTC+1) on Tue 16 Sep 2025
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