Grib Nantlle (Nantlle Ridge) Y Garn (Gwynedd) weather

Forecast days

Heavy rain changing to sunny intervals in the afternoon.
Sunrise iconSunrise:
Sunset iconSunset:
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    7 day forecast for Grib Nantlle (Nantlle Ridge) Y Garn

    Today (19 October 2025)
    Time
    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 Heavy rain Heavy rain Heavy rain Light shower day Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    ≥95%
    90%
    90%
    70%
    40%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed
    SSE
    36
    SSE
    33
    SSE
    30
    S
    27
    S
    26
    SSW
    24
    SSW
    21
    S
    19
    S
    18
    S
    19
    S
    21
    S
    22
    Wind gust (mph)
    39
    37
    35
    32
    30
    28
    23
    21
    22
    23
    24
    25
    Visibility
    M
    P
    VP
    VP
    P
    M
    M
    M
    M
    M
    G
    G
    Humidity
    93%
    93%
    95%
    97%
    95%
    93%
    93%
    93%
    94%
    95%
    95%
    96%
    UV 1 1 1 1 1 1 1 - - - - -
    Monday (20 October 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 Cloudy Light shower night Heavy shower night Light shower night Light rain Heavy rain Heavy shower night Light shower day Light shower day Cloudy Cloudy Light shower day Light shower day Heavy shower day Light shower day Light shower day Light shower day Fog Fog Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    10%
    40%
    70%
    80%
    90%
    90%
    ≥95%
    ≥95%
    80%
    70%
    50%
    40%
    60%
    70%
    80%
    70%
    60%
    50%
    50%
    50%
    70%
    70%
    60%
    70%
    Temperature (°C)
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSE
    23
    SSE
    23
    SSE
    23
    SSE
    23
    SE
    22
    SE
    22
    SE
    22
    SE
    22
    SE
    21
    SE
    20
    SE
    19
    SE
    17
    SE
    14
    ESE
    11
    ENE
    9
    NNW
    10
    NW
    11
    NW
    11
    NW
    11
    NW
    11
    NW
    12
    NW
    13
    NW
    12
    WNW
    11
    Wind gust (mph)
    25
    25
    25
    25
    25
    25
    25
    25
    23
    22
    21
    18
    15
    13
    12
    14
    14
    14
    15
    15
    16
    17
    18
    18
    Visibility (description)
    G
    VG
    VG
    G
    VG
    G
    G
    G
    G
    VG
    E
    E
    E
    E
    E
    E
    E
    P
    VP
    VP
    VP
    VP
    VP
    VP
    Humidity
    95%
    94%
    94%
    94%
    93%
    93%
    93%
    93%
    94%
    93%
    91%
    88%
    86%
    85%
    86%
    87%
    89%
    92%
    96%
    98%
    99%
    99%
    98%
    98%
    UV - - - - - - - 1 1 1 1 1 2 2 1 1 1 1 1 - - - - -
    Tuesday (21 October 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 Heavy shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    80%
    80%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    70%
    70%
    70%
    60%
    60%
    60%
    60%
    60%
    50%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WNW
    12
    WNW
    13
    W
    14
    W
    13
    W
    13
    W
    14
    WSW
    14
    W
    15
    WSW
    15
    WSW
    15
    WSW
    17
    WSW
    19
    WSW
    21
    WSW
    21
    W
    22
    WSW
    22
    W
    22
    W
    23
    W
    22
    W
    21
    W
    22
    W
    22
    WNW
    21
    WNW
    20
    Wind gust (mph)
    20
    21
    22
    22
    22
    23
    23
    22
    22
    23
    25
    28
    28
    28
    30
    31
    29
    32
    32
    32
    32
    30
    30
    28
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    P
    E
    E
    E
    E
    E
    Humidity
    98%
    98%
    98%
    98%
    97%
    97%
    97%
    96%
    95%
    94%
    94%
    94%
    92%
    93%
    92%
    91%
    91%
    92%
    92%
    92%
    91%
    91%
    90%
    91%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 1 - - - - -
    Wednesday (22 October 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 Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night Light rain
    Chance of precipitation
    40%
    40%
    40%
    30%
    30%
    30%
    20%
    20%
    20%
    30%
    30%
    20%
    30%
    30%
    40%
    50%
    50%
    50%
    50%
    60%
    60%
    70%
    70%
    60%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    19
    W
    18
    W
    17
    W
    16
    W
    15
    W
    14
    WSW
    14
    WSW
    14
    WSW
    13
    WSW
    13
    WSW
    15
    WSW
    16
    WSW
    17
    WSW
    18
    WSW
    18
    SW
    18
    SW
    17
    SSW
    16
    SSW
    15
    S
    13
    S
    13
    S
    14
    S
    14
    SSE
    14
    Wind gust (mph)
    29
    27
    26
    25
    21
    20
    19
    19
    18
    18
    22
    23
    25
    27
    26
    25
    22
    20
    20
    20
    20
    20
    19
    20
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    Humidity
    90%
    90%
    90%
    88%
    88%
    88%
    88%
    87%
    86%
    85%
    84%
    82%
    77%
    76%
    74%
    75%
    77%
    79%
    88%
    89%
    90%
    88%
    91%
    90%
    UV - - - - - - - 1 1 1 1 2 2 2 1 1 1 1 1 - - - - -
    Thursday (23 October 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 shower night Light shower night Light shower night Light rain Light rain Light rain Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    70%
    70%
    70%
    60%
    60%
    60%
    70%
    70%
    70%
    70%
    70%
    70%
    70%
    70%
    70%
    70%
    80%
    80%
    80%
    80%
    70%
    70%
    70%
    70%
    Temperature (°C)
    Feels like temperature (°C)
    -1°
    -1°
    -1°
    -1°
    -1°
    -1°
    -1°
    Wind direction and speed (mph)
    S
    14
    WSW
    14
    SSE
    14
    ENE
    15
    SSW
    16
    NNW
    17
    WNW
    17
    NNW
    17
    NW
    17
    NNW
    18
    WNW
    19
    NW
    22
    WNW
    23
    WNW
    24
    WNW
    25
    WNW
    26
    WNW
    29
    WNW
    29
    WNW
    28
    WNW
    27
    WNW
    27
    WNW
    26
    NW
    28
    NW
    26
    Wind gust (mph)
    21
    20
    22
    22
    23
    25
    27
    29
    32
    34
    34
    36
    38
    38
    41
    41
    40
    40
    37
    39
    38
    36
    36
    36
    Visibility (description)
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    90%
    91%
    91%
    90%
    91%
    89%
    90%
    91%
    91%
    89%
    88%
    88%
    85%
    84%
    81%
    85%
    83%
    86%
    87%
    89%
    89%
    90%
    90%
    90%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 1 - - - - -
    Friday (24 October 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Light shower night Light shower night Light shower night Cloudy Cloudy Cloudy Cloudy Overcast Overcast
    Chance of precipitation
    70%
    50%
    50%
    50%
    40%
    30%
    40%
    40%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    -1°
    -1°
    -1°
    -1°
    -1°
    -2°
    Wind direction and speed (mph)
    NW
    26
    NW
    25
    NW
    23
    NW
    21
    NW
    22
    NNW
    24
    NNW
    24
    NNW
    21
    NNW
    23
    Wind gust (mph)
    36
    28
    26
    25
    30
    30
    27
    26
    26
    Visibility (description)
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    92%
    90%
    91%
    91%
    83%
    74%
    71%
    80%
    79%
    UV - - - - 1 2 1 - -
    Saturday (25 October 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
    50%
    50%
    50%
    40%
    50%
    40%
    50%
    50%
    Temperature (°C)
    Feels like temperature (°C)
    -2°
    -2°
    -2°
    -1°
    -1°
    -1°
    -2°
    Wind direction and speed (mph)
    NNW
    22
    NNW
    20
    NNW
    19
    NNW
    18
    NW
    22
    NW
    21
    NW
    16
    NW
    19
    Wind gust (mph)
    24
    22
    23
    27
    26
    24
    23
    23
    Visibility (description)
    VG
    VG
    G
    VG
    G
    VG
    G
    VG
    Humidity
    78%
    80%
    83%
    78%
    70%
    73%
    81%
    84%
    UV - - - 1 1 1 - -

    UK video forecast

    Grib Nantlle (Nantlle Ridge) Y Garn weather map

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    Wales weather forecast

    Headline:

    An unsettled week ahead.

    Today:

    A cloudy start with rain spreading east, turning heavy and persistent at times. Windy with gales at the coasts and over hills. Drier, brighter and less blustery weather arriving from the west during the afternoon, though still a few showers. Maximum temperature 16 °C.

    Tonight:

    Clear spells and showers overnight, the showers turning heavy at times, with hail and thunder possible. Increasingly windy in the south by dawn with gales returning. A mild night. Minimum temperature 10 °C.

    Monday:

    A windy start with coastal gales in the south. Sunny spells and showers, these heavy at times with a risk of hail and thunder. Winds easing slowly. Temperatures around average. Maximum temperature 15 °C.

    Outlook for Tuesday to Thursday:

    A little drier on Tuesday with sunny spells and fewer showers. Staying unsettled on Wednesday and Thursday with showers or longer spells of rain. Often windy, with temperatures around average.

    Updated:

    UK long range weather forecast

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