Koh Samui (Thailand) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 22° Celsius; -
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 22° Celsius; -
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 22° Celsius;
-
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 22° Celsius;
-
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 22° Celsius;
-
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 22° Celsius;
Sunny.
Sunrise:
Sunset:
Ex UV
No pollution data.
No pollen data.
6 day forecast for Koh Samui
Tomorrow (15 October 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%
|
10%
|
10%
|
10%
|
10%
|
10%
|
30%
|
30%
|
30%
|
30%
|
40%
|
30%
|
30%
|
30%
|
10%
|
10%
|
20%
|
10%
|
10%
|
<5%
|
10%
|
30%
|
50%
|
| Temperature |
24°
|
23°
|
23°
|
23°
|
23°
|
22°
|
23°
|
24°
|
25°
|
26°
|
27°
|
27°
|
27°
|
27°
|
27°
|
27°
|
26°
|
26°
|
25°
|
24°
|
24°
|
24°
|
24°
|
23°
|
| Feels like temperature (°C) |
24°
|
24°
|
24°
|
23°
|
23°
|
23°
|
23°
|
25°
|
26°
|
27°
|
28°
|
28°
|
28°
|
28°
|
28°
|
28°
|
28°
|
27°
|
26°
|
25°
|
25°
|
24°
|
25°
|
25°
|
| Wind direction and speed |
ENE
8
|
ENE
7
|
NE
7
|
NE
7
|
NE
8
|
NE
8
|
NE
8
|
NE
9
|
NE
10
|
NE
10
|
NE
10
|
NE
10
|
NE
10
|
NE
10
|
NE
9
|
NE
9
|
NE
9
|
NE
9
|
NE
8
|
NE
7
|
ENE
7
|
ENE
7
|
NE
6
|
NE
6
|
| Wind gust (mph) |
12
|
11
|
11
|
12
|
12
|
12
|
13
|
14
|
14
|
14
|
15
|
15
|
15
|
14
|
13
|
13
|
14
|
13
|
12
|
11
|
11
|
10
|
10
|
10
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
76%
|
77%
|
78%
|
78%
|
77%
|
77%
|
77%
|
77%
|
78%
|
79%
|
80%
|
81%
|
80%
|
82%
|
81%
|
79%
|
79%
|
78%
|
78%
|
78%
|
77%
|
78%
|
78%
|
| UV | - | - | - | - | - | - | - | 1 | 3 | 7 | 9 | 9 | 11 | 8 | 6 | 3 | 1 | - | - | - | - | - | - | - |
Friday (16 October 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 |
60%
|
70%
|
70%
|
70%
|
70%
|
60%
|
60%
|
70%
|
60%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
50%
|
50%
|
40%
|
40%
|
40%
|
30%
|
30%
|
30%
|
40%
|
| Temperature (°C) |
23°
|
23°
|
23°
|
23°
|
23°
|
23°
|
23°
|
23°
|
23°
|
24°
|
24°
|
24°
|
25°
|
25°
|
25°
|
25°
|
25°
|
25°
|
24°
|
24°
|
24°
|
24°
|
23°
|
23°
|
| Feels like temperature (°C) |
24°
|
24°
|
24°
|
23°
|
23°
|
23°
|
23°
|
23°
|
24°
|
24°
|
24°
|
24°
|
25°
|
25°
|
26°
|
26°
|
26°
|
25°
|
25°
|
24°
|
24°
|
24°
|
24°
|
24°
|
| Wind direction and speed (mph) |
NNE
5
|
N
6
|
N
7
|
N
7
|
NNE
7
|
NNE
8
|
NE
9
|
NNE
10
|
NNE
10
|
NNE
11
|
NE
11
|
NE
12
|
NE
12
|
NE
11
|
NE
11
|
NE
10
|
ENE
10
|
ENE
10
|
E
9
|
E
10
|
E
10
|
E
8
|
E
8
|
E
8
|
| Wind gust (mph) |
10
|
10
|
11
|
12
|
13
|
14
|
15
|
15
|
16
|
17
|
17
|
18
|
18
|
17
|
16
|
15
|
15
|
14
|
13
|
14
|
13
|
13
|
12
|
12
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
81%
|
83%
|
83%
|
85%
|
84%
|
85%
|
84%
|
84%
|
84%
|
85%
|
85%
|
85%
|
85%
|
85%
|
85%
|
85%
|
84%
|
84%
|
83%
|
82%
|
81%
|
81%
|
82%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 6 | 3 | 4 | 3 | 3 | 1 | - | - | - | - | - | - | - |
Saturday (17 October 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 |
50%
|
50%
|
50%
|
50%
|
30%
|
30%
|
20%
|
50%
|
50%
|
50%
|
40%
|
20%
|
30%
|
10%
|
20%
|
30%
|
20%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
30%
|
| Temperature (°C) |
23°
|
23°
|
23°
|
23°
|
22°
|
22°
|
23°
|
23°
|
24°
|
24°
|
25°
|
26°
|
26°
|
26°
|
25°
|
26°
|
26°
|
25°
|
24°
|
24°
|
24°
|
24°
|
23°
|
23°
|
| Feels like temperature (°C) |
24°
|
24°
|
24°
|
24°
|
23°
|
23°
|
23°
|
24°
|
25°
|
26°
|
27°
|
27°
|
27°
|
28°
|
27°
|
28°
|
27°
|
27°
|
26°
|
25°
|
25°
|
25°
|
25°
|
24°
|
| Wind direction and speed (mph) |
E
7
|
E
6
|
ESE
6
|
ESE
6
|
ESE
7
|
SE
6
|
ESE
6
|
E
6
|
E
7
|
E
6
|
NE
7
|
NE
7
|
NE
7
|
NE
8
|
NE
7
|
NE
7
|
NE
7
|
NE
7
|
ENE
7
|
ENE
7
|
ENE
6
|
NE
6
|
ENE
5
|
ENE
5
|
| Wind gust (mph) |
11
|
11
|
10
|
11
|
11
|
10
|
10
|
11
|
11
|
11
|
12
|
12
|
12
|
11
|
12
|
12
|
11
|
12
|
12
|
11
|
10
|
10
|
8
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
83%
|
83%
|
83%
|
83%
|
83%
|
84%
|
83%
|
82%
|
83%
|
83%
|
84%
|
84%
|
84%
|
84%
|
83%
|
83%
|
83%
|
83%
|
83%
|
81%
|
81%
|
81%
|
81%
|
81%
|
| UV | - | - | - | - | - | - | - | 1 | 3 | 5 | 8 | 8 | 9 | 7 | 5 | 4 | 1 | - | - | - | - | - | - | - |
Sunday (18 October 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 |
40%
|
40%
|
40%
|
40%
|
40%
|
30%
|
30%
|
30%
|
40%
|
40%
|
40%
|
30%
|
20%
|
30%
|
30%
|
40%
|
30%
|
20%
|
10%
|
10%
|
20%
|
30%
|
40%
|
50%
|
| Temperature (°C) |
23°
|
23°
|
23°
|
23°
|
22°
|
23°
|
22°
|
23°
|
24°
|
25°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
26°
|
25°
|
24°
|
24°
|
24°
|
23°
|
23°
|
23°
|
| Feels like temperature (°C) |
24°
|
24°
|
24°
|
24°
|
24°
|
24°
|
24°
|
24°
|
25°
|
26°
|
27°
|
27°
|
27°
|
28°
|
28°
|
28°
|
28°
|
27°
|
25°
|
25°
|
25°
|
24°
|
25°
|
24°
|
| Wind direction and speed (mph) |
SSE
5
|
ESE
5
|
W
5
|
W
4
|
WNW
5
|
NW
5
|
NW
5
|
NW
6
|
NW
6
|
NW
6
|
NNW
7
|
NNW
7
|
NNW
8
|
N
8
|
N
8
|
N
8
|
N
6
|
N
7
|
N
7
|
NNE
6
|
NNE
6
|
NE
6
|
ENE
6
|
E
6
|
| Wind gust (mph) |
9
|
9
|
9
|
9
|
9
|
9
|
9
|
10
|
10
|
11
|
12
|
12
|
13
|
12
|
12
|
11
|
11
|
11
|
11
|
10
|
10
|
10
|
10
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
83%
|
83%
|
83%
|
83%
|
82%
|
82%
|
83%
|
83%
|
83%
|
83%
|
83%
|
84%
|
83%
|
83%
|
83%
|
82%
|
81%
|
79%
|
80%
|
79%
|
79%
|
79%
|
81%
|
| UV | - | - | - | - | - | - | - | 1 | 3 | 6 | 9 | 11 | 11 | 7 | 5 | 4 | 1 | - | - | - | - | - | - | - |
Monday (19 October 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
50%
|
50%
|
40%
|
50%
|
40%
|
40%
|
50%
|
40%
|
30%
|
40%
|
40%
|
40%
|
| Temperature (°C) |
23°
|
23°
|
23°
|
22°
|
22°
|
22°
|
22°
|
23°
|
25°
|
26°
|
26°
|
24°
|
23°
|
| Feels like temperature (°C) |
24°
|
24°
|
24°
|
23°
|
24°
|
23°
|
23°
|
24°
|
27°
|
27°
|
27°
|
25°
|
24°
|
| Wind direction and speed (mph) |
SE
7
|
SE
6
|
ENE
6
|
ENE
6
|
WNW
6
|
NW
6
|
NNW
7
|
N
7
|
NE
7
|
ENE
8
|
E
7
|
E
7
|
ESE
7
|
| Wind gust (mph) |
11
|
11
|
11
|
10
|
10
|
11
|
11
|
13
|
13
|
13
|
13
|
13
|
13
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
84%
|
84%
|
85%
|
84%
|
84%
|
84%
|
84%
|
82%
|
84%
|
81%
|
80%
|
79%
|
| UV | - | - | - | - | - | - | - | 1 | 9 | 9 | 1 | - | - |
Tuesday (20 October 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
40%
|
50%
|
30%
|
30%
|
30%
|
30%
|
20%
|
| Temperature (°C) |
23°
|
22°
|
23°
|
26°
|
27°
|
26°
|
24°
|
23°
|
| Feels like temperature (°C) |
23°
|
23°
|
23°
|
27°
|
28°
|
27°
|
24°
|
24°
|
| Wind direction and speed (mph) |
ESE
7
|
SE
7
|
W
8
|
N
8
|
NNE
9
|
NE
9
|
NE
9
|
NE
8
|
| Wind gust (mph) |
13
|
13
|
14
|
15
|
15
|
15
|
15
|
13
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
81%
|
82%
|
81%
|
81%
|
82%
|
82%
|
78%
|
78%
|
| UV | - | - | 1 | 9 | 10 | 2 | - | - |
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Forecast for 00:00 (UTC+7), Thu
Updated 13:26 (UTC+1) on Wed 15 Oct 2025
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