Harlech Castle (Gwynedd) weather

Forecast days

Cloudy changing to sunny intervals by lunchtime.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
M Pollution
Next high tide: for
Harlech (Beach)

    8 day forecast for Harlech Castle

    Today (4 April 2025)
    Time
    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 Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night
    Chance of precipitation
    40%
    30%
    30%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    11°
    12°
    12°
    13°
    15°
    16°
    17°
    18°
    18°
    18°
    18°
    17°
    15°
    14°
    13°
    11°
    Feels like temperature (°C)
    10°
    11°
    11°
    12°
    13°
    14°
    15°
    15°
    15°
    15°
    14°
    13°
    12°
    10°
    Wind direction and speed
    NE
    6
    NE
    5
    NNE
    6
    NNE
    6
    NNE
    7
    ENE
    10
    ENE
    12
    ENE
    13
    E
    14
    ENE
    14
    ENE
    14
    NE
    15
    ENE
    17
    ENE
    19
    ENE
    21
    ENE
    23
    Wind gust (mph)
    13
    12
    13
    16
    21
    25
    27
    28
    28
    27
    26
    28
    29
    31
    32
    33
    Visibility
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    74%
    70%
    67%
    62%
    54%
    48%
    45%
    44%
    44%
    50%
    53%
    54%
    55%
    55%
    56%
    UV 1 1 1 3 3 3 3 2 2 1 1 1 - - - -
    Saturday (5 April 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 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 Sunny day 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)
    11°
    10°
    10°
    10°
    10°
    12°
    13°
    15°
    16°
    17°
    17°
    18°
    17°
    16°
    15°
    13°
    12°
    10°
    10°
    Feels like temperature (°C)
    11°
    12°
    13°
    14°
    14°
    14°
    14°
    13°
    12°
    10°
    Wind direction and speed (mph)
    ENE
    24
    ENE
    24
    E
    23
    E
    22
    ENE
    19
    ENE
    17
    NE
    14
    NE
    12
    NNE
    11
    NE
    10
    NE
    11
    ENE
    11
    ENE
    11
    E
    11
    E
    12
    E
    12
    E
    12
    E
    12
    E
    12
    ENE
    11
    ENE
    12
    ENE
    14
    ENE
    15
    ENE
    15
    Wind gust (mph)
    32
    32
    31
    30
    29
    27
    27
    27
    27
    25
    25
    27
    29
    30
    29
    29
    27
    25
    23
    22
    24
    26
    28
    28
    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
    56%
    56%
    55%
    54%
    53%
    53%
    54%
    56%
    58%
    55%
    52%
    43%
    41%
    40%
    40%
    40%
    40%
    40%
    42%
    52%
    54%
    55%
    55%
    55%
    UV - - - - - - 1 1 1 1 2 3 3 4 3 3 2 1 1 1 - - - -
    Sunday (6 April 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    15°
    16°
    14°
    10°
    Feels like temperature (°C)
    13°
    14°
    13°
    Wind direction and speed (mph)
    ENE
    15
    ENE
    14
    ENE
    14
    ENE
    13
    E
    11
    SE
    10
    SE
    9
    E
    8
    E
    9
    Wind gust (mph)
    28
    28
    26
    24
    22
    21
    19
    16
    17
    Visibility (description)
    VG
    VG
    E
    VG
    VG
    E
    E
    VG
    VG
    Humidity
    55%
    54%
    56%
    63%
    52%
    40%
    40%
    50%
    53%
    UV - - - 1 2 4 2 1 -
    Monday (7 April 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%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    13°
    14°
    14°
    10°
    Feels like temperature (°C)
    11°
    12°
    13°
    13°
    Wind direction and speed (mph)
    E
    9
    E
    6
    E
    4
    NW
    2
    W
    6
    WSW
    6
    W
    4
    ENE
    5
    Wind gust (mph)
    16
    13
    8
    13
    13
    12
    10
    10
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    52%
    53%
    56%
    41%
    41%
    41%
    64%
    58%
    UV - - 1 2 4 2 1 -
    Tuesday (8 April 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%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    12°
    15°
    16°
    15°
    Feels like temperature (°C)
    12°
    14°
    15°
    14°
    Wind direction and speed (mph)
    ENE
    4
    E
    4
    ENE
    3
    NW
    2
    W
    6
    WSW
    6
    NNE
    5
    ENE
    5
    Wind gust (mph)
    8
    8
    6
    11
    12
    12
    9
    7
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    63%
    68%
    71%
    55%
    48%
    47%
    63%
    82%
    UV - - 1 2 4 2 1 -
    Wednesday (9 April 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%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    15°
    16°
    14°
    Feels like temperature (°C)
    11°
    14°
    14°
    13°
    Wind direction and speed (mph)
    NE
    4
    NE
    4
    NE
    4
    ENE
    5
    NE
    7
    NE
    8
    ENE
    7
    NE
    4
    Wind gust (mph)
    6
    7
    7
    11
    13
    13
    9
    5
    Visibility (description)
    VG
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    85%
    88%
    90%
    61%
    51%
    48%
    64%
    89%
    UV - - 1 2 4 2 1 -
    Thursday (10 April 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%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    15°
    16°
    15°
    Feels like temperature (°C)
    11°
    14°
    15°
    13°
    Wind direction and speed (mph)
    NE
    4
    ENE
    4
    ENE
    4
    ENE
    5
    N
    7
    NW
    8
    WSW
    6
    ENE
    4
    Wind gust (mph)
    5
    4
    6
    10
    11
    11
    6
    3
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    Humidity
    91%
    93%
    94%
    68%
    58%
    55%
    67%
    92%
    UV - - 1 2 4 2 1 -
    Friday (11 April 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%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    12°
    16°
    17°
    14°
    Feels like temperature (°C)
    12°
    14°
    15°
    13°
    Wind direction and speed (mph)
    ENE
    4
    E
    4
    ENE
    3
    WSW
    4
    W
    7
    W
    9
    W
    7
    NNE
    4
    Wind gust (mph)
    3
    3
    6
    10
    13
    12
    6
    3
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    Humidity
    95%
    96%
    97%
    68%
    57%
    55%
    67%
    92%
    UV - - 1 2 4 2 1 -

    UK video forecast

    Harlech Castle weather map

    View the weather with our interactive map

    Loading map...

    Wales weather forecast

    Headline:

    Any showers clearing then plenty of warm sunshine. Staying breezy.

    Today:

    Any showers soon clearing to leave brightening skies. Increasingly sunny heading into the afternoon, though turning hazy at times. Temperatures above average and feeling warm, albeit cooler on coasts with the brisk easterly winds persisting. Maximum temperature 22 °C.

    Tonight:

    Staying dry with plenty of evening sunshine. Clear skies for many overnight with just the odd patch of low cloud developing. Turning chilly with winds remaining brisk. Minimum temperature 2 °C.

    Saturday:

    A chillier start, with patchy low cloud clearing fairly readily to leave a dry and sunny day. Feeling less warm than on Friday, still with a brisk easterly wind. Maximum temperature 18 °C.

    Outlook for Sunday to Tuesday:

    Remaining dry and settled on Sunday and into next week. Chilly nights, though daytime temperatures edging back up and feeling warm in the sunshine. Breezy at first, then winds easing.

    Updated:

    UK long range weather forecast

    More from the Met Office