Holyhead (Isle of Anglesey) weather

Forecast days

Heavy rain changing to sunny intervals by late morning.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.
Next high tide: for
Porth Dafarch (Beach)

    7 day forecast for Holyhead

    Today (17 September 2025)
    Time
    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 Heavy rain Heavy rain Overcast Overcast Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    ≥95%
    ≥95%
    80%
    40%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    14°
    15°
    16°
    16°
    16°
    17°
    17°
    18°
    18°
    18°
    17°
    17°
    17°
    16°
    16°
    16°
    15°
    15°
    15°
    Feels like temperature (°C)
    10°
    11°
    11°
    12°
    12°
    13°
    13°
    14°
    14°
    13°
    13°
    13°
    12°
    12°
    12°
    12°
    12°
    12°
    Wind direction and speed
    SSE
    29
    S
    30
    SSW
    29
    SW
    29
    SW
    27
    SW
    26
    SW
    25
    SW
    24
    SW
    23
    SW
    22
    SW
    22
    SW
    22
    SW
    23
    SW
    23
    SW
    22
    SW
    22
    SW
    21
    SW
    20
    SW
    20
    Wind gust (mph)
    43
    42
    41
    39
    37
    36
    34
    33
    32
    30
    31
    30
    31
    31
    31
    31
    30
    29
    26
    Visibility
    P
    P
    M
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    92%
    92%
    93%
    93%
    93%
    93%
    92%
    91%
    90%
    88%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    84%
    UV - 1 1 1 1 2 3 4 4 3 3 2 1 1 1 - - - -
    Thursday (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 Clear night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Overcast Light rain Overcast Light rain Light rain Light rain Light rain Light rain Light rain Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    10%
    10%
    10%
    20%
    30%
    40%
    40%
    40%
    60%
    50%
    50%
    60%
    60%
    60%
    70%
    60%
    40%
    30%
    30%
    30%
    20%
    20%
    20%
    20%
    Temperature (°C)
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    13°
    13°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    Wind direction and speed (mph)
    SW
    19
    SW
    18
    SW
    18
    SW
    17
    SW
    16
    SW
    17
    SW
    17
    SW
    16
    SSW
    17
    SW
    18
    SSW
    20
    SSW
    21
    SSW
    23
    SSW
    25
    SSW
    25
    SSW
    26
    SSW
    27
    SSW
    27
    SSW
    27
    SSW
    27
    SSW
    27
    SSW
    26
    SSW
    27
    SSW
    27
    Wind gust (mph)
    26
    26
    25
    24
    24
    23
    24
    23
    24
    25
    24
    26
    29
    32
    35
    39
    41
    39
    39
    38
    38
    38
    39
    39
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    G
    VG
    VG
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    84%
    83%
    81%
    80%
    79%
    80%
    81%
    84%
    90%
    93%
    94%
    95%
    93%
    93%
    94%
    94%
    94%
    94%
    94%
    95%
    94%
    94%
    93%
    93%
    UV - - - - - - 1 1 1 1 1 2 2 2 2 2 1 1 1 1 - - - -
    Friday (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 Overcast Overcast Overcast Overcast Overcast Overcast Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain
    Chance of precipitation
    20%
    20%
    20%
    30%
    30%
    50%
    60%
    60%
    60%
    60%
    60%
    70%
    80%
    70%
    70%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    Temperature (°C)
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    15°
    15°
    Feels like temperature (°C)
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    Wind direction and speed (mph)
    SSW
    28
    SSW
    28
    SSW
    28
    SSW
    28
    SSW
    29
    SSW
    29
    SSW
    28
    SSW
    27
    SSW
    25
    SSW
    24
    SSW
    23
    SSW
    22
    SSW
    22
    SSW
    22
    SSW
    21
    SSW
    21
    SSW
    20
    SSW
    19
    SSW
    18
    SSW
    17
    SSW
    16
    SW
    15
    SW
    14
    SW
    13
    Wind gust (mph)
    39
    39
    41
    41
    42
    41
    39
    36
    34
    34
    33
    30
    31
    33
    32
    31
    29
    27
    25
    23
    21
    19
    15
    14
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    Humidity
    93%
    93%
    92%
    92%
    91%
    92%
    92%
    92%
    92%
    91%
    92%
    91%
    91%
    91%
    91%
    90%
    90%
    90%
    91%
    90%
    90%
    87%
    85%
    84%
    UV - - - - - - - 1 1 1 2 1 1 2 2 1 1 1 1 1 - - - -
    Saturday (20 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 Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Cloudy Light rain Light rain Light rain Light rain Light rain Light shower day Cloudy Cloudy Cloudy Cloudy Light shower night Cloudy Light shower night Light shower night
    Chance of precipitation
    60%
    50%
    50%
    50%
    50%
    60%
    60%
    60%
    50%
    50%
    50%
    60%
    60%
    60%
    60%
    50%
    50%
    40%
    40%
    50%
    50%
    50%
    50%
    50%
    Temperature (°C)
    15°
    15°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    13°
    Feels like temperature (°C)
    13°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    10°
    10°
    10°
    Wind direction and speed (mph)
    SW
    13
    WSW
    12
    WSW
    12
    WSW
    12
    SW
    11
    SW
    11
    WSW
    11
    WSW
    11
    W
    11
    WNW
    12
    WNW
    13
    WNW
    14
    NW
    14
    WNW
    14
    WNW
    14
    WNW
    14
    WNW
    15
    W
    15
    W
    15
    W
    16
    WNW
    17
    NW
    19
    NW
    19
    NNW
    20
    Wind gust (mph)
    15
    14
    16
    16
    16
    15
    15
    15
    13
    13
    14
    15
    15
    16
    15
    16
    16
    15
    17
    17
    17
    21
    21
    24
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    84%
    82%
    82%
    80%
    82%
    81%
    81%
    82%
    81%
    80%
    82%
    81%
    82%
    81%
    81%
    80%
    78%
    76%
    75%
    75%
    77%
    78%
    77%
    78%
    UV - - - - - - - 1 1 1 1 2 2 3 3 2 1 1 1 1 - - - -
    Sunday (21 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 Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Cloudy Light shower day Cloudy Cloudy Cloudy Cloudy 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%
    50%
    60%
    50%
    60%
    50%
    50%
    50%
    50%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    30%
    20%
    Temperature (°C)
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    12°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    11°
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    N
    20
    N
    20
    N
    20
    N
    21
    N
    22
    N
    21
    N
    21
    N
    21
    N
    21
    N
    21
    NNE
    21
    NNE
    20
    NNE
    20
    NNE
    20
    NNE
    20
    NNE
    20
    NNE
    20
    NNE
    19
    NNE
    19
    NNE
    18
    NNE
    17
    NNE
    16
    NNE
    16
    NE
    16
    Wind gust (mph)
    24
    27
    28
    27
    28
    30
    32
    30
    30
    30
    28
    28
    28
    26
    28
    26
    29
    29
    28
    26
    28
    26
    26
    26
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    77%
    78%
    77%
    76%
    74%
    76%
    75%
    74%
    75%
    76%
    73%
    71%
    68%
    68%
    66%
    66%
    65%
    63%
    63%
    63%
    63%
    64%
    64%
    64%
    UV - - - - - - - 1 1 1 2 3 3 3 3 2 1 1 1 1 - - - -
    Monday (22 September 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Cloudy Cloudy Sunny intervals Cloudy Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    11°
    10°
    12°
    13°
    13°
    11°
    10°
    Feels like temperature (°C)
    10°
    11°
    11°
    Wind direction and speed (mph)
    NE
    15
    NE
    14
    NE
    12
    NE
    12
    NE
    13
    NNE
    14
    NNE
    13
    NNE
    12
    NNE
    10
    Wind gust (mph)
    26
    19
    17
    16
    17
    17
    15
    14
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    64%
    65%
    65%
    63%
    62%
    58%
    58%
    59%
    62%
    UV - - - 1 2 3 2 1 -
    Tuesday (23 September 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 intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    <5%
    Temperature (°C)
    13°
    14°
    14°
    12°
    10°
    Feels like temperature (°C)
    10°
    12°
    11°
    Wind direction and speed (mph)
    NE
    9
    ENE
    9
    ENE
    9
    ENE
    11
    ENE
    13
    NE
    13
    NE
    12
    ENE
    10
    Wind gust (mph)
    11
    12
    13
    13
    14
    13
    13
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    64%
    66%
    67%
    66%
    64%
    63%
    65%
    69%
    UV - - 1 2 4 1 1 -

    UK video forecast

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    WARNING
    Flood alerts icon
    Flood alerts in force for Wales
    Flood alerts in force for Wales

    Wales weather forecast

    Headline:

    Heavy and persistent rain.

    Today:

    Heaviest and most persistent rain clearing eastwards through the morning, though remaining cloudy with outbreaks of patchy rain and drizzle throughout the day, turning heavy at times over the hills. Breezy. Maximum temperature 19 °C.

    Tonight:

    Rain persisting throughout this evening and overnight, this turning heavy at times especially over the hills and mountains. Windy for all, especially along the coasts, and feeling humid. Minimum temperature 8 °C.

    Thursday:

    A cloudy, damp and mild start to Thursday. Cloud breaking in the east but drizzle persisting over the hills in the west. Staying windy. Maximum temperature 18 °C.

    Outlook for Friday to Sunday:

    Remaining changeable with showers or longer spells of rain at times. Some brighter periods are also likely, mainly on Friday. Temperatures close to average but turning colder later Sunday. Breezy.

    Updated:

    UK long range weather forecast

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