Koh Samui (Thailand) weather

Forecast days

Sunny.
Sunrise iconSunrise:
Sunset iconSunset:
Ex UV
No pollution data.
No pollen data.

    7 day forecast for Koh Samui

    Today (10 April 2026)
    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 day Clear night Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    27°
    29°
    30°
    31°
    31°
    31°
    31°
    30°
    29°
    28°
    27°
    26°
    25°
    25°
    24°
    Feels like temperature (°C)
    29°
    31°
    33°
    34°
    34°
    34°
    34°
    33°
    32°
    30°
    28°
    27°
    26°
    25°
    24°
    Wind direction and speed
    W
    7
    WNW
    7
    NW
    6
    NW
    6
    NNW
    7
    N
    6
    NNE
    6
    NE
    6
    E
    7
    ESE
    8
    ESE
    9
    SE
    9
    SSE
    9
    SSE
    10
    S
    10
    Wind gust (mph)
    10
    10
    10
    10
    10
    10
    10
    10
    11
    12
    12
    13
    13
    14
    14
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    76%
    75%
    74%
    74%
    74%
    74%
    74%
    74%
    74%
    74%
    74%
    74%
    75%
    75%
    76%
    UV 7 10 12 12 11 9 6 3 1 - - - - - -
    Sunday (11 April 2026)
    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 Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    10%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    23°
    23°
    23°
    23°
    22°
    22°
    22°
    24°
    26°
    27°
    29°
    30°
    32°
    32°
    32°
    32°
    31°
    30°
    29°
    27°
    26°
    26°
    25°
    25°
    Feels like temperature (°C)
    23°
    23°
    22°
    22°
    22°
    22°
    22°
    24°
    27°
    30°
    32°
    34°
    36°
    37°
    36°
    36°
    34°
    32°
    30°
    27°
    26°
    25°
    25°
    24°
    Wind direction and speed (mph)
    S
    10
    SSW
    9
    SSW
    9
    SW
    9
    SW
    9
    WSW
    9
    WSW
    8
    WSW
    7
    WSW
    7
    WSW
    5
    WSW
    5
    W
    4
    N
    3
    ENE
    4
    E
    5
    ESE
    6
    ESE
    8
    ESE
    10
    SE
    11
    SE
    12
    SE
    13
    SSE
    13
    SSE
    13
    SSE
    14
    Wind gust (mph)
    13
    13
    13
    13
    13
    12
    11
    10
    9
    8
    8
    7
    6
    8
    10
    12
    14
    15
    17
    17
    18
    18
    18
    18
    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
    76%
    76%
    76%
    75%
    76%
    75%
    75%
    75%
    75%
    75%
    75%
    75%
    74%
    74%
    74%
    75%
    75%
    75%
    75%
    76%
    77%
    76%
    76%
    77%
    UV - - - - - - - 1 3 6 10 12 12 11 9 6 3 1 - - - - - -
    Monday (12 April 2026)
    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 Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    10%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    24°
    23°
    23°
    23°
    23°
    22°
    23°
    24°
    26°
    27°
    29°
    30°
    32°
    32°
    32°
    31°
    31°
    30°
    28°
    27°
    26°
    25°
    24°
    24°
    Feels like temperature (°C)
    23°
    22°
    22°
    22°
    22°
    22°
    23°
    24°
    27°
    29°
    31°
    33°
    35°
    36°
    36°
    35°
    34°
    32°
    30°
    28°
    26°
    26°
    25°
    24°
    Wind direction and speed (mph)
    SSE
    13
    S
    13
    S
    13
    SSW
    12
    SSW
    10
    SSW
    9
    SW
    9
    WSW
    8
    WSW
    8
    W
    7
    WNW
    7
    WNW
    7
    NNW
    7
    N
    6
    NNE
    6
    NE
    6
    ENE
    7
    E
    8
    ESE
    10
    SE
    10
    SE
    10
    SE
    9
    SSE
    9
    S
    9
    Wind gust (mph)
    18
    18
    17
    15
    14
    13
    12
    11
    11
    10
    10
    10
    10
    10
    10
    11
    11
    13
    14
    14
    13
    13
    13
    13
    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
    78%
    78%
    77%
    77%
    77%
    76%
    76%
    76%
    75%
    75%
    75%
    75%
    74%
    75%
    75%
    74%
    75%
    75%
    75%
    75%
    76%
    75%
    75%
    75%
    UV - - - - - - - 1 3 6 10 12 12 11 9 6 3 1 - - - - - -
    Tuesday (13 April 2026)
    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 Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    23°
    23°
    23°
    23°
    23°
    23°
    22°
    24°
    26°
    27°
    29°
    31°
    32°
    32°
    32°
    32°
    32°
    30°
    29°
    27°
    26°
    25°
    24°
    23°
    Feels like temperature (°C)
    23°
    23°
    23°
    23°
    23°
    23°
    23°
    24°
    27°
    29°
    32°
    34°
    36°
    37°
    36°
    36°
    35°
    33°
    30°
    27°
    26°
    25°
    24°
    22°
    Wind direction and speed (mph)
    SSW
    9
    SSW
    8
    SW
    8
    SW
    8
    WSW
    8
    WSW
    7
    W
    7
    W
    8
    W
    7
    W
    7
    W
    6
    WNW
    7
    NNW
    6
    NNE
    5
    NE
    6
    ENE
    6
    E
    8
    ESE
    9
    ESE
    10
    ESE
    11
    SE
    12
    SE
    12
    SSE
    13
    SSE
    13
    Wind gust (mph)
    12
    12
    12
    11
    11
    11
    11
    11
    11
    10
    10
    10
    9
    9
    10
    11
    13
    14
    15
    16
    17
    17
    18
    17
    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
    76%
    76%
    76%
    75%
    75%
    75%
    75%
    75%
    75%
    74%
    74%
    73%
    72%
    72%
    72%
    73%
    75%
    75%
    75%
    75%
    76%
    77%
    77%
    78%
    UV - - - - - - - 1 3 6 9 12 12 11 9 6 3 1 - - - - - -
    Wednesday (14 April 2026)
    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 Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    Temperature (°C)
    23°
    22°
    22°
    22°
    22°
    22°
    22°
    24°
    26°
    28°
    29°
    31°
    32°
    32°
    32°
    32°
    32°
    31°
    29°
    27°
    26°
    25°
    24°
    24°
    Feels like temperature (°C)
    22°
    21°
    21°
    21°
    21°
    22°
    22°
    24°
    26°
    29°
    31°
    33°
    34°
    36°
    36°
    36°
    36°
    34°
    31°
    28°
    26°
    25°
    24°
    23°
    Wind direction and speed (mph)
    S
    13
    S
    13
    SSW
    12
    SSW
    11
    SW
    10
    WSW
    9
    WSW
    9
    W
    9
    W
    9
    WNW
    9
    WNW
    9
    WNW
    9
    NW
    9
    NNW
    8
    N
    7
    NNE
    5
    ENE
    6
    E
    7
    E
    9
    ESE
    10
    ESE
    11
    SE
    11
    SSE
    12
    S
    12
    Wind gust (mph)
    18
    17
    16
    14
    14
    13
    13
    13
    13
    13
    13
    13
    13
    11
    10
    10
    10
    13
    14
    14
    15
    16
    17
    16
    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%
    78%
    76%
    75%
    75%
    74%
    74%
    75%
    75%
    74%
    74%
    74%
    74%
    74%
    74%
    73%
    73%
    73%
    73%
    75%
    75%
    76%
    77%
    77%
    UV - - - - - - - 1 3 6 10 12 12 11 9 6 3 1 - - - - - -
    Thursday (15 April 2026)
    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 Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night
    Chance of precipitation
    10%
    <5%
    <5%
    <5%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    24°
    23°
    23°
    23°
    23°
    23°
    22°
    24°
    29°
    32°
    31°
    27°
    25°
    Feels like temperature (°C)
    23°
    22°
    23°
    23°
    23°
    23°
    22°
    25°
    32°
    35°
    34°
    27°
    24°
    Wind direction and speed (mph)
    S
    11
    SSW
    12
    SSW
    11
    SW
    10
    SW
    9
    WSW
    9
    WSW
    8
    W
    7
    WNW
    7
    N
    7
    ENE
    8
    ESE
    11
    SE
    12
    Wind gust (mph)
    16
    16
    15
    14
    13
    12
    12
    12
    12
    13
    15
    17
    17
    Visibility (description)
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    Humidity
    76%
    75%
    75%
    75%
    74%
    74%
    73%
    73%
    72%
    72%
    71%
    73%
    75%
    UV - - - - - - - 1 10 11 3 - -
    Friday (16 April 2026)
    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
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    10%
    Temperature (°C)
    23°
    22°
    24°
    29°
    32°
    31°
    27°
    25°
    Feels like temperature (°C)
    22°
    22°
    24°
    32°
    36°
    34°
    28°
    25°
    Wind direction and speed (mph)
    S
    11
    SSW
    8
    SW
    7
    WSW
    6
    NE
    4
    ESE
    7
    ESE
    10
    SSE
    10
    Wind gust (mph)
    15
    12
    12
    10
    12
    14
    15
    15
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    77%
    75%
    73%
    71%
    71%
    72%
    73%
    74%
    UV - - 1 10 11 3 - -

    UK video forecast

    weather map
    Forecast
    Forecast for 10am (UTC+7) Saturday
    Updated 01:25 (UTC+1) on Sat 11 Apr 2026
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