Nefyn (Gwynedd) weather

Forecast days

Sunny intervals changing to partly cloudy by nighttime.
Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

    8 day forecast for Nefyn

    Today (19 May 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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals 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
    Chance of precipitation
    20%
    20%
    20%
    <5%
    10%
    10%
    <5%
    <5%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    10°
    10°
    10°
    12°
    13°
    13°
    14°
    15°
    15°
    15°
    16°
    16°
    16°
    16°
    15°
    15°
    12°
    11°
    10°
    Feels like temperature (°C)
    10°
    11°
    12°
    13°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    13°
    13°
    11°
    10°
    Wind direction and speed
    E
    9
    E
    9
    ESE
    9
    ESE
    9
    E
    9
    ENE
    8
    N
    8
    NNW
    8
    NNW
    9
    NNW
    9
    NW
    10
    NNW
    10
    N
    10
    N
    11
    NNE
    12
    NNE
    10
    NE
    8
    NE
    7
    ENE
    5
    Wind gust (mph)
    17
    17
    17
    16
    15
    13
    12
    14
    16
    18
    17
    18
    18
    18
    17
    16
    15
    14
    11
    Visibility
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    70%
    74%
    69%
    65%
    61%
    56%
    54%
    53%
    50%
    50%
    50%
    48%
    50%
    54%
    59%
    64%
    74%
    80%
    76%
    UV 1 1 1 1 3 4 5 6 6 5 4 3 2 1 1 1 1 - -
    Tuesday (20 May 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 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 intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    <5%
    10%
    20%
    20%
    30%
    20%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    12°
    14°
    15°
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    16°
    15°
    14°
    12°
    10°
    11°
    Feels like temperature (°C)
    11°
    13°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    13°
    11°
    10°
    10°
    Wind direction and speed (mph)
    ENE
    5
    E
    5
    E
    5
    ESE
    5
    ESE
    4
    ESE
    4
    ESE
    4
    ESE
    4
    E
    4
    NNE
    5
    NNW
    6
    NW
    7
    NW
    8
    NW
    9
    NW
    9
    NW
    9
    NW
    8
    NW
    8
    NW
    8
    WNW
    7
    WNW
    6
    NW
    4
    NW
    3
    WNW
    3
    Wind gust (mph)
    10
    10
    10
    9
    9
    8
    8
    8
    8
    8
    10
    12
    13
    14
    13
    13
    12
    11
    12
    12
    11
    8
    6
    6
    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
    75%
    76%
    76%
    77%
    77%
    79%
    79%
    67%
    61%
    58%
    56%
    54%
    55%
    55%
    55%
    54%
    53%
    53%
    59%
    64%
    73%
    84%
    87%
    85%
    UV - - - - - 1 1 1 2 3 4 5 6 6 6 4 3 2 1 1 1 1 - -
    Wednesday (21 May 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 Partly cloudy night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    10%
    20%
    30%
    30%
    20%
    20%
    10%
    <5%
    <5%
    Temperature (°C)
    10°
    10°
    11°
    15°
    16°
    17°
    16°
    10°
    Feels like temperature (°C)
    10°
    10°
    11°
    13°
    14°
    15°
    14°
    10°
    Wind direction and speed (mph)
    WNW
    3
    SSW
    3
    WSW
    3
    NW
    4
    NNW
    8
    NNW
    10
    NNW
    11
    NW
    9
    NNW
    5
    Wind gust (mph)
    6
    5
    6
    9
    15
    17
    17
    15
    10
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    86%
    88%
    92%
    85%
    67%
    62%
    54%
    59%
    86%
    UV - - - 1 4 6 4 1 -
    Thursday (22 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    14°
    16°
    16°
    14°
    10°
    Feels like temperature (°C)
    12°
    13°
    13°
    12°
    Wind direction and speed (mph)
    N
    4
    ENE
    5
    N
    7
    NNW
    11
    NNW
    13
    NNW
    14
    N
    12
    NNE
    8
    Wind gust (mph)
    10
    12
    12
    16
    19
    19
    15
    10
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    E
    E
    VG
    Humidity
    91%
    88%
    79%
    60%
    52%
    44%
    46%
    68%
    UV - - 1 4 6 4 1 -
    Friday (23 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Sunny day Sunny day Sunny day Sunny day Sunny intervals Cloudy Cloudy
    Chance of precipitation
    <5%
    <5%
    10%
    10%
    20%
    20%
    20%
    40%
    Temperature (°C)
    10°
    14°
    15°
    15°
    14°
    11°
    Feels like temperature (°C)
    12°
    13°
    13°
    12°
    Wind direction and speed (mph)
    ENE
    6
    ESE
    7
    SE
    8
    WSW
    9
    W
    11
    W
    11
    W
    9
    SSW
    8
    Wind gust (mph)
    10
    9
    13
    17
    18
    17
    12
    6
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    81%
    78%
    66%
    56%
    54%
    52%
    62%
    90%
    UV - - 1 4 6 3 1 -
    Saturday (24 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Light rain Light rain Light rain Light rain Light rain Cloudy Cloudy
    Chance of precipitation
    40%
    50%
    60%
    60%
    60%
    60%
    50%
    50%
    Temperature (°C)
    10°
    10°
    12°
    14°
    15°
    15°
    14°
    13°
    Feels like temperature (°C)
    10°
    12°
    13°
    13°
    12°
    11°
    Wind direction and speed (mph)
    S
    10
    S
    10
    SSW
    10
    SSW
    12
    SSW
    14
    SSW
    15
    SSW
    14
    SSW
    11
    Wind gust (mph)
    6
    10
    19
    24
    27
    27
    25
    16
    Visibility (description)
    G
    M
    M
    G
    M
    G
    G
    G
    Humidity
    94%
    97%
    95%
    95%
    92%
    94%
    94%
    92%
    UV - - 1 2 3 2 1 -
    Sunday (25 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    40%
    40%
    40%
    40%
    30%
    20%
    10%
    20%
    Temperature (°C)
    12°
    11°
    11°
    13°
    14°
    15°
    14°
    12°
    Feels like temperature (°C)
    10°
    11°
    12°
    12°
    11°
    10°
    Wind direction and speed (mph)
    SW
    11
    SW
    10
    WSW
    10
    WSW
    13
    WSW
    14
    WSW
    15
    SW
    13
    SW
    10
    Wind gust (mph)
    16
    16
    22
    24
    25
    25
    20
    15
    Visibility (description)
    G
    G
    G
    G
    G
    VG
    VG
    VG
    Humidity
    90%
    93%
    91%
    80%
    72%
    67%
    72%
    84%
    UV - - 1 4 5 3 1 -
    Monday (26 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy
    Chance of precipitation
    30%
    30%
    40%
    40%
    40%
    30%
    30%
    30%
    Temperature (°C)
    11°
    11°
    11°
    13°
    14°
    14°
    13°
    12°
    Feels like temperature (°C)
    10°
    12°
    11°
    11°
    10°
    Wind direction and speed (mph)
    WSW
    9
    WSW
    8
    WSW
    9
    WSW
    12
    SW
    14
    SW
    13
    SW
    12
    SW
    9
    Wind gust (mph)
    14
    12
    20
    24
    26
    23
    19
    15
    Visibility (description)
    G
    G
    G
    G
    G
    VG
    VG
    G
    Humidity
    86%
    89%
    84%
    76%
    66%
    70%
    72%
    90%
    UV - - 1 4 6 3 1 -

    UK video forecast

    Nefyn weather map

    View the weather with our interactive map

    Loading map...

    Wales weather forecast

    Headline:

    Scattered showers and sunny spells this week.

    Today:

    Rather cloudy overall, though some bright or sunny spells emerging. Scattered showers developing, perhaps heavy and thundery in places with gusty winds. Feeling less warm than the weekend. Maximum temperature 19 °C.

    Tonight:

    Showers becoming more isolated, though potentially lingering in the north until the end of the night. Largely clear skies developing in the south. Locally chilly in rural spots. Minimum temperature 4 °C.

    Tuesday:

    A fine start with some bright spells. Showers again bubbling up into the afternoon, possibly heavy and thundery. Feeling pleasant in any intermediary sunshine. Maximum temperature 20 °C.

    Outlook for Wednesday to Friday:

    Continuing chance of showers on Wednesday, again potentially heavy and thundery. Drier on Thursday and Friday with bright or sunny spells. Still locally chilly overnight under clear skies.

    Updated:

    UK long range weather forecast

    More from the Met Office