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Ko Samui (Thailand) weather

Forecast days

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

    7 day forecast for Ko Samui

    Today (15 August 2025)
    Time
    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 intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Partly cloudy night
    Chance of precipitation
    30%
    30%
    40%
    30%
    20%
    20%
    20%
    20%
    30%
    30%
    40%
    Temperature
    29°
    29°
    29°
    29°
    28°
    27°
    27°
    27°
    26°
    26°
    26°
    Feels like temperature (°C)
    29°
    29°
    29°
    28°
    27°
    26°
    26°
    26°
    26°
    25°
    26°
    Wind direction and speed
    WSW
    15
    WSW
    15
    WSW
    16
    WSW
    17
    WSW
    17
    WSW
    17
    WSW
    17
    WSW
    16
    WSW
    15
    WSW
    16
    WSW
    15
    Wind gust (mph)
    22
    21
    23
    24
    24
    23
    23
    22
    22
    21
    21
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    77%
    76%
    76%
    76%
    76%
    75%
    75%
    76%
    77%
    77%
    78%
    UV 6 5 3 1 1 - - - - - -
    Sunday (16 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals 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
    Chance of precipitation
    40%
    20%
    30%
    20%
    20%
    10%
    10%
    10%
    10%
    <5%
    10%
    10%
    10%
    <5%
    <5%
    10%
    10%
    10%
    10%
    <5%
    <5%
    10%
    10%
    <5%
    Temperature (°C)
    26°
    26°
    26°
    26°
    26°
    26°
    26°
    26°
    27°
    28°
    29°
    30°
    31°
    32°
    31°
    32°
    31°
    31°
    30°
    28°
    27°
    27°
    27°
    26°
    Feels like temperature (°C)
    25°
    25°
    25°
    25°
    25°
    25°
    25°
    25°
    27°
    29°
    31°
    32°
    33°
    34°
    33°
    34°
    33°
    32°
    31°
    28°
    28°
    27°
    27°
    27°
    Wind direction and speed (mph)
    W
    15
    WSW
    14
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    14
    WSW
    14
    WSW
    14
    WSW
    13
    WSW
    12
    WSW
    12
    WSW
    12
    WSW
    12
    WSW
    10
    W
    10
    W
    10
    W
    10
    W
    11
    W
    11
    WSW
    11
    WSW
    11
    WSW
    11
    WSW
    11
    W
    11
    Wind gust (mph)
    21
    21
    22
    21
    21
    20
    20
    20
    19
    18
    17
    17
    16
    15
    13
    15
    16
    16
    15
    15
    15
    15
    15
    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
    80%
    81%
    80%
    80%
    81%
    81%
    81%
    81%
    80%
    79%
    78%
    76%
    75%
    74%
    73%
    72%
    72%
    72%
    72%
    72%
    72%
    72%
    73%
    74%
    UV - - - - - - - 1 3 5 7 9 8 9 6 5 3 1 - - - - - -
    Monday (17 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 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
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    <5%
    Temperature (°C)
    26°
    26°
    26°
    25°
    25°
    25°
    25°
    26°
    31°
    33°
    32°
    28°
    27°
    Feels like temperature (°C)
    26°
    26°
    25°
    25°
    25°
    25°
    24°
    26°
    33°
    37°
    36°
    30°
    28°
    Wind direction and speed (mph)
    W
    11
    WSW
    11
    WSW
    11
    WSW
    12
    WSW
    11
    WSW
    12
    WSW
    11
    WSW
    11
    WSW
    10
    WSW
    7
    N
    8
    ESE
    9
    SSW
    8
    Wind gust (mph)
    16
    16
    17
    16
    17
    16
    16
    16
    15
    13
    14
    13
    14
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    74%
    74%
    75%
    75%
    75%
    75%
    75%
    75%
    75%
    71%
    72%
    74%
    74%
    UV - - - - - - - 1 9 11 3 - -
    Tuesday (18 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
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    20%
    40%
    Temperature (°C)
    26°
    25°
    26°
    31°
    33°
    32°
    28°
    27°
    Feels like temperature (°C)
    26°
    25°
    27°
    34°
    38°
    36°
    30°
    28°
    Wind direction and speed (mph)
    SW
    10
    SW
    9
    SW
    8
    SW
    7
    W
    6
    ENE
    6
    ENE
    6
    WSW
    6
    Wind gust (mph)
    15
    13
    13
    12
    11
    11
    12
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    75%
    75%
    71%
    73%
    73%
    74%
    UV - - 1 10 12 3 - -
    Wednesday (19 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%
    10%
    <5%
    <5%
    <5%
    10%
    30%
    50%
    Temperature (°C)
    26°
    25°
    26°
    31°
    33°
    32°
    28°
    27°
    Feels like temperature (°C)
    27°
    26°
    27°
    34°
    38°
    36°
    30°
    28°
    Wind direction and speed (mph)
    SW
    6
    SW
    7
    SW
    6
    WSW
    6
    NW
    5
    NNE
    7
    ENE
    7
    SW
    8
    Wind gust (mph)
    11
    11
    11
    11
    11
    12
    12
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    74%
    74%
    74%
    75%
    75%
    74%
    UV - - 1 10 12 3 - -
    Thursday (20 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 Partly cloudy night
    Chance of precipitation
    30%
    10%
    10%
    10%
    <5%
    10%
    30%
    40%
    Temperature (°C)
    26°
    25°
    26°
    30°
    33°
    31°
    28°
    27°
    Feels like temperature (°C)
    27°
    26°
    27°
    34°
    37°
    35°
    30°
    28°
    Wind direction and speed (mph)
    WSW
    7
    WSW
    7
    SW
    6
    WSW
    6
    NW
    5
    NE
    5
    SE
    7
    SW
    8
    Wind gust (mph)
    12
    12
    11
    11
    11
    11
    13
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    76%
    75%
    75%
    74%
    74%
    74%
    74%
    UV - - 1 10 12 3 - -
    Friday (21 August 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny day Sunny day Clear night Partly cloudy night
    Chance of precipitation
    40%
    30%
    30%
    10%
    10%
    10%
    30%
    40%
    Temperature (°C)
    26°
    25°
    26°
    30°
    31°
    32°
    28°
    27°
    Feels like temperature (°C)
    27°
    26°
    27°
    33°
    34°
    34°
    30°
    28°
    Wind direction and speed (mph)
    W
    8
    WSW
    8
    WSW
    8
    W
    7
    WNW
    8
    NW
    9
    WNW
    9
    W
    10
    Wind gust (mph)
    14
    13
    13
    13
    14
    14
    15
    17
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    76%
    75%
    75%
    75%
    73%
    74%
    UV - - 1 8 12 3 - -

    UK video forecast

    weather map
    Forecast
    Forecast for 13:00 (UTC+7), Sat
    Updated 01:28 (UTC+1) on Sat 16 Aug 2025
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