Ko Samui (Thailand) weather

Forecast days

Sunny changing to partly cloudy by early evening.
Sunrise iconSunrise:
Sunset iconSunset:
Ex UV
No pollution data.
No pollen data.

    7 day forecast for Ko Samui

    Today (20 August 2025)
    Time
    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 Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy
    Chance of precipitation
    <5%
    <5%
    10%
    10%
    <5%
    <5%
    <5%
    10%
    20%
    30%
    40%
    40%
    40%
    40%
    40%
    Temperature
    29°
    31°
    31°
    32°
    32°
    32°
    32°
    31°
    30°
    29°
    28°
    28°
    27°
    27°
    27°
    Feels like temperature (°C)
    31°
    33°
    33°
    35°
    36°
    36°
    36°
    35°
    34°
    32°
    30°
    29°
    29°
    29°
    28°
    Wind direction and speed
    WSW
    10
    WSW
    9
    WSW
    9
    WSW
    8
    WSW
    7
    W
    6
    W
    5
    S
    5
    ESE
    6
    ESE
    7
    SSE
    7
    S
    7
    WNW
    9
    WNW
    8
    WNW
    7
    Wind gust (mph)
    14
    13
    12
    11
    10
    9
    9
    10
    10
    11
    12
    12
    12
    12
    13
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    75%
    74%
    74%
    73%
    73%
    74%
    74%
    75%
    76%
    77%
    78%
    79%
    79%
    UV 5 7 9 11 6 4 4 2 1 - - - - - -
    Friday (21 August 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 Light rain Light shower night Cloudy Light shower night Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    50%
    50%
    40%
    60%
    30%
    30%
    20%
    30%
    20%
    10%
    10%
    10%
    10%
    20%
    30%
    10%
    10%
    10%
    20%
    10%
    10%
    20%
    30%
    30%
    Temperature (°C)
    26°
    26°
    26°
    26°
    26°
    26°
    25°
    26°
    26°
    27°
    28°
    29°
    30°
    30°
    30°
    30°
    30°
    30°
    29°
    27°
    27°
    27°
    26°
    26°
    Feels like temperature (°C)
    28°
    28°
    27°
    27°
    27°
    26°
    26°
    26°
    26°
    28°
    28°
    30°
    31°
    31°
    32°
    31°
    31°
    31°
    30°
    28°
    27°
    27°
    26°
    26°
    Wind direction and speed (mph)
    W
    8
    WNW
    9
    WNW
    9
    W
    9
    W
    10
    W
    10
    W
    11
    W
    10
    W
    11
    W
    12
    W
    12
    W
    12
    W
    13
    W
    13
    WNW
    13
    WNW
    14
    WNW
    14
    WNW
    14
    WNW
    13
    WNW
    12
    W
    11
    W
    11
    W
    11
    W
    10
    Wind gust (mph)
    13
    13
    14
    15
    15
    16
    16
    16
    16
    17
    17
    18
    19
    20
    20
    20
    19
    19
    18
    17
    17
    16
    16
    15
    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
    81%
    82%
    82%
    82%
    82%
    82%
    82%
    81%
    78%
    78%
    78%
    78%
    78%
    76%
    76%
    75%
    75%
    74%
    74%
    74%
    74%
    74%
    74%
    74%
    UV - - - - - - - 1 1 3 6 6 9 10 5 5 3 1 - - - - - -
    Saturday (22 August 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night
    Chance of precipitation
    20%
    10%
    10%
    10%
    20%
    10%
    10%
    10%
    10%
    10%
    30%
    40%
    30%
    Temperature (°C)
    25°
    25°
    25°
    25°
    25°
    25°
    25°
    26°
    30°
    31°
    30°
    27°
    26°
    Feels like temperature (°C)
    26°
    26°
    26°
    26°
    25°
    25°
    25°
    27°
    33°
    34°
    34°
    29°
    27°
    Wind direction and speed (mph)
    WSW
    9
    WSW
    9
    WSW
    8
    WSW
    8
    WSW
    8
    WSW
    9
    WSW
    8
    WSW
    8
    WSW
    8
    WNW
    7
    NW
    6
    WNW
    7
    W
    7
    Wind gust (mph)
    14
    13
    13
    13
    13
    13
    13
    13
    13
    12
    12
    13
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    75%
    75%
    76%
    75%
    75%
    75%
    75%
    75%
    75%
    75%
    75%
    UV - - - - - - - 1 10 12 3 - -
    Sunday (23 August 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Sunny day Clear night Clear night
    Chance of precipitation
    30%
    20%
    20%
    10%
    10%
    30%
    20%
    30%
    Temperature (°C)
    26°
    25°
    26°
    30°
    32°
    30°
    28°
    27°
    Feels like temperature (°C)
    26°
    25°
    26°
    32°
    34°
    32°
    28°
    26°
    Wind direction and speed (mph)
    WSW
    11
    WSW
    12
    WSW
    12
    W
    12
    WNW
    12
    WNW
    12
    W
    14
    W
    14
    Wind gust (mph)
    18
    19
    18
    18
    17
    20
    19
    22
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    76%
    77%
    78%
    77%
    76%
    75%
    73%
    74%
    UV - - 1 9 12 3 - -
    Monday (24 August 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Sunny day Partly cloudy night Clear night
    Chance of precipitation
    10%
    10%
    20%
    20%
    40%
    40%
    30%
    20%
    Temperature (°C)
    26°
    26°
    26°
    30°
    32°
    30°
    28°
    26°
    Feels like temperature (°C)
    25°
    25°
    26°
    31°
    33°
    30°
    27°
    26°
    Wind direction and speed (mph)
    WSW
    15
    WSW
    15
    WSW
    16
    WSW
    14
    W
    13
    W
    16
    W
    16
    WSW
    16
    Wind gust (mph)
    22
    23
    22
    21
    22
    24
    23
    23
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    76%
    78%
    81%
    77%
    74%
    75%
    74%
    76%
    UV - - 1 8 11 2 - -
    Tuesday (25 August 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Clear night Sunny day Sunny day Light shower day Sunny day Clear night Clear night
    Chance of precipitation
    10%
    20%
    20%
    30%
    50%
    40%
    30%
    30%
    Temperature (°C)
    26°
    25°
    26°
    30°
    31°
    30°
    28°
    27°
    Feels like temperature (°C)
    25°
    24°
    26°
    31°
    32°
    30°
    27°
    26°
    Wind direction and speed (mph)
    WSW
    16
    WSW
    16
    WSW
    15
    WSW
    14
    W
    15
    W
    17
    WSW
    16
    WSW
    15
    Wind gust (mph)
    23
    22
    21
    22
    22
    26
    23
    22
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    76%
    78%
    81%
    78%
    74%
    74%
    75%
    76%
    UV - - 1 6 9 2 - -
    Wednesday (26 August 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Sunny day Partly cloudy night Partly cloudy night
    Chance of precipitation
    40%
    20%
    10%
    30%
    30%
    30%
    10%
    10%
    Temperature (°C)
    26°
    26°
    26°
    30°
    31°
    31°
    28°
    27°
    Feels like temperature (°C)
    25°
    25°
    26°
    31°
    32°
    32°
    28°
    26°
    Wind direction and speed (mph)
    WSW
    15
    SW
    13
    SW
    13
    WSW
    13
    WSW
    13
    WSW
    13
    WSW
    13
    WSW
    14
    Wind gust (mph)
    22
    19
    20
    19
    20
    20
    20
    20
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    78%
    79%
    79%
    76%
    75%
    74%
    73%
    74%
    UV - - 1 9 10 3 - -

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    Forecast
    Forecast for 09:00 (UTC+7), Thu
    Updated 01:21 (UTC+1) on Thu 21 Aug 2025
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