Nefyn (Gwynedd) weather

Forecast days

Overcast changing to sunny intervals by lunchtime.
Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

    7 day forecast for Nefyn

    Today (25 June 2025)
    Time
    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 Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    20%
    40%
    40%
    20%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    20%
    10%
    10%
    10%
    10%
    10%
    20%
    Temperature
    14°
    15°
    15°
    16°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    16°
    16°
    15°
    15°
    Feels like temperature (°C)
    14°
    15°
    14°
    15°
    15°
    16°
    16°
    16°
    16°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    14°
    Wind direction and speed
    SW
    4
    SW
    6
    SSW
    7
    SW
    9
    SW
    11
    SW
    12
    SW
    13
    SW
    13
    SW
    14
    SSW
    14
    SSW
    14
    SSW
    14
    SSW
    14
    SSW
    13
    SSW
    11
    SSW
    11
    SSW
    11
    Wind gust (mph)
    12
    16
    17
    18
    19
    19
    21
    20
    21
    23
    24
    24
    23
    22
    21
    21
    22
    Visibility
    G
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    Humidity
    91%
    85%
    85%
    83%
    76%
    70%
    66%
    65%
    65%
    67%
    70%
    73%
    77%
    80%
    86%
    91%
    96%
    UV 1 2 3 4 6 6 7 7 6 4 2 1 1 1 1 - -
    Thursday (26 June 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 Cloudy Overcast Overcast Light rain Light rain Light rain Light rain Light rain Cloudy 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
    Chance of precipitation
    10%
    20%
    40%
    70%
    80%
    80%
    70%
    50%
    40%
    20%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    20%
    20%
    20%
    20%
    10%
    <5%
    Temperature (°C)
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    17°
    17°
    18°
    18°
    18°
    17°
    16°
    16°
    15°
    14°
    14°
    14°
    Feels like temperature (°C)
    14°
    14°
    13°
    13°
    13°
    13°
    12°
    12°
    13°
    13°
    13°
    13°
    14°
    14°
    15°
    15°
    14°
    13°
    13°
    13°
    12°
    11°
    11°
    11°
    Wind direction and speed (mph)
    SSW
    11
    SSW
    11
    S
    12
    S
    12
    S
    13
    SSW
    14
    SSW
    14
    SSW
    14
    SW
    15
    SW
    16
    WSW
    16
    WSW
    16
    W
    16
    W
    15
    WSW
    15
    WSW
    15
    WSW
    16
    SW
    17
    SW
    17
    SW
    17
    SW
    16
    SW
    15
    SW
    14
    SW
    14
    Wind gust (mph)
    23
    23
    24
    24
    26
    28
    29
    29
    30
    29
    28
    27
    26
    25
    26
    28
    30
    31
    32
    32
    31
    29
    29
    30
    Visibility (description)
    VG
    VG
    VG
    VG
    G
    M
    M
    M
    G
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    96%
    94%
    94%
    96%
    96%
    96%
    96%
    95%
    95%
    89%
    84%
    76%
    61%
    56%
    50%
    52%
    55%
    59%
    64%
    67%
    70%
    76%
    79%
    81%
    UV - - - - 1 1 1 1 1 2 4 6 6 6 6 5 3 2 2 1 1 1 - -
    Friday (27 June 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 Overcast Overcast Overcast Overcast Fog Fog
    Chance of precipitation
    <5%
    20%
    30%
    20%
    20%
    20%
    30%
    40%
    30%
    Temperature (°C)
    14°
    14°
    14°
    15°
    16°
    17°
    17°
    17°
    16°
    Feels like temperature (°C)
    11°
    11°
    11°
    12°
    13°
    13°
    13°
    13°
    13°
    Wind direction and speed (mph)
    SSW
    14
    SSW
    15
    SSW
    17
    SSW
    18
    SSW
    20
    SSW
    23
    SSW
    23
    SSW
    21
    SSW
    18
    Wind gust (mph)
    30
    33
    35
    37
    40
    41
    41
    39
    34
    Visibility (description)
    E
    E
    E
    VG
    VG
    VG
    VG
    G
    VP
    Humidity
    81%
    82%
    86%
    87%
    88%
    84%
    86%
    95%
    99%
    UV - - 1 1 2 4 2 1 -
    Saturday (28 June 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Fog Mist Overcast Cloudy Sunny intervals Overcast Overcast Overcast
    Chance of precipitation
    30%
    30%
    40%
    20%
    20%
    10%
    20%
    20%
    Temperature (°C)
    16°
    15°
    15°
    17°
    19°
    19°
    17°
    16°
    Feels like temperature (°C)
    13°
    13°
    14°
    15°
    16°
    16°
    15°
    14°
    Wind direction and speed (mph)
    SSW
    16
    SW
    14
    SW
    13
    SW
    13
    SW
    14
    SSW
    14
    SSW
    14
    SSW
    11
    Wind gust (mph)
    30
    28
    24
    23
    24
    24
    23
    23
    Visibility (description)
    VP
    VP
    P
    VG
    VG
    VG
    VG
    VG
    Humidity
    99%
    99%
    98%
    90%
    78%
    77%
    85%
    96%
    UV - 1 1 3 5 3 1 -
    Sunday (29 June 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Overcast Overcast Cloudy Cloudy Overcast Overcast
    Chance of precipitation
    20%
    30%
    20%
    20%
    10%
    10%
    20%
    20%
    Temperature (°C)
    15°
    15°
    15°
    17°
    18°
    19°
    18°
    16°
    Feels like temperature (°C)
    14°
    13°
    14°
    15°
    16°
    16°
    16°
    15°
    Wind direction and speed (mph)
    SSW
    11
    SSW
    11
    SSW
    12
    SSW
    13
    SW
    15
    SSW
    15
    SSW
    14
    S
    10
    Wind gust (mph)
    17
    17
    15
    18
    20
    21
    17
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    95%
    96%
    94%
    89%
    79%
    81%
    86%
    95%
    UV - 1 1 3 6 4 1 -
    Monday (30 June 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Overcast Cloudy Sunny intervals Sunny intervals Cloudy Cloudy
    Chance of precipitation
    20%
    20%
    20%
    20%
    20%
    20%
    30%
    30%
    Temperature (°C)
    15°
    15°
    15°
    18°
    19°
    19°
    17°
    15°
    Feels like temperature (°C)
    14°
    14°
    15°
    16°
    17°
    17°
    16°
    14°
    Wind direction and speed (mph)
    S
    10
    S
    8
    SSW
    7
    SSW
    11
    SSW
    12
    SSW
    13
    SSW
    11
    SW
    8
    Wind gust (mph)
    11
    9
    14
    17
    19
    17
    12
    9
    Visibility (description)
    M
    M
    M
    G
    VG
    VG
    VG
    G
    Humidity
    96%
    97%
    94%
    86%
    78%
    77%
    83%
    92%
    UV - 1 1 3 6 4 1 -
    Tuesday (1 July 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
    30%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    Temperature (°C)
    14°
    12°
    13°
    16°
    17°
    17°
    16°
    12°
    Feels like temperature (°C)
    12°
    11°
    12°
    13°
    14°
    14°
    14°
    11°
    Wind direction and speed (mph)
    W
    7
    NW
    7
    NW
    9
    WNW
    12
    WNW
    12
    W
    13
    WSW
    11
    W
    9
    Wind gust (mph)
    8
    8
    14
    18
    19
    17
    14
    9
    Visibility (description)
    G
    G
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    95%
    94%
    85%
    72%
    64%
    63%
    66%
    89%
    UV - 1 1 4 7 4 1 -

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    Wales weather forecast

    Headline:

    Mainly cloudy but dry for many.

    Today:

    Rather gloomy at first with widespread cloud bringing spells of rain and drizzle across the hills. Becoming drier though remaining rather cloudy through the afternoon, with the best of the brightness in the south. Feeling warm and rather humid. Maximum temperature 23 °C.

    Tonight:

    Scattered showers arrive from the south through this evening, some heavy spells at times bringing the occasional rumble of thunder overnight. A mild night, and rather humid with light winds. Minimum temperature 16 °C.

    Thursday:

    Cloudy at first with a few showers, namely along the south coast. Drier by the afternoon with plenty of sunny spells. Feeling warm in the sunshine. Breezy around the coasts. Maximum temperature 20 °C.

    Outlook for Friday to Sunday:

    Mainly cloudy with occasional spells of rain, but some drier interludes too, especially by Sunday. Breezy on Friday with winds easing over the weekend. Increasingly warm and feeling rather humid.

    Updated:

    UK long range weather forecast

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