Llanberis (Gwynedd) weather

Forecast days

Heavy showers changing to sunny intervals by early evening.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution

    7 day forecast for Llanberis

    Today (15 April 2026)
    Time
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Sunny intervals Heavy shower day Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Cloudy Light rain Light shower night
    Chance of precipitation
    40%
    70%
    40%
    10%
    <5%
    10%
    20%
    70%
    80%
    Temperature
    12°
    12°
    12°
    11°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed
    SSW
    15
    SSW
    16
    SSW
    16
    SSW
    16
    SSW
    15
    SSW
    15
    SSW
    15
    SSW
    15
    SSW
    16
    Wind gust (mph)
    37
    39
    40
    39
    37
    37
    39
    42
    43
    Visibility
    M
    G
    G
    M
    G
    G
    M
    M
    M
    Humidity
    88%
    85%
    82%
    82%
    84%
    86%
    86%
    86%
    88%
    UV 3 2 1 1 1 1 - - -
    Thursday (16 April 2026)
    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 Cloudy 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 Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain
    Chance of precipitation
    70%
    50%
    30%
    20%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    20%
    40%
    50%
    60%
    70%
    80%
    80%
    Temperature (°C)
    10°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    10°
    10°
    10°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    10°
    Wind direction and speed (mph)
    SSW
    16
    SSW
    16
    SW
    16
    SW
    15
    SW
    15
    SW
    14
    SW
    13
    SW
    12
    SW
    11
    SW
    12
    SW
    12
    SW
    12
    SW
    12
    SW
    12
    SSW
    12
    SSW
    12
    SSW
    12
    SSW
    12
    SSW
    11
    SSW
    10
    SSW
    10
    S
    10
    S
    10
    S
    11
    Wind gust (mph)
    42
    41
    39
    38
    36
    34
    31
    30
    29
    29
    29
    28
    29
    29
    29
    29
    28
    27
    25
    23
    21
    23
    23
    25
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    Humidity
    88%
    89%
    90%
    90%
    91%
    90%
    91%
    91%
    88%
    85%
    79%
    76%
    75%
    73%
    72%
    72%
    72%
    78%
    83%
    87%
    92%
    92%
    92%
    93%
    UV - - - - - - 1 1 1 2 2 3 3 3 3 2 1 1 1 1 1 - - -
    Friday (17 April 2026)
    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 Overcast Overcast Overcast Overcast Light rain Light rain Heavy rain Heavy rain Heavy rain Light rain Cloudy 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 Partly cloudy night
    Chance of precipitation
    70%
    50%
    30%
    40%
    50%
    60%
    70%
    80%
    90%
    90%
    70%
    50%
    30%
    30%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    11
    S
    12
    S
    13
    S
    14
    S
    15
    S
    15
    S
    16
    S
    16
    S
    16
    S
    16
    S
    16
    SSW
    16
    SSW
    16
    SSW
    16
    SSW
    17
    SSW
    16
    SSW
    16
    SSW
    16
    SSW
    15
    SSW
    14
    SSW
    14
    SSW
    13
    SSW
    13
    SSW
    12
    Wind gust (mph)
    26
    27
    28
    29
    31
    32
    33
    33
    34
    34
    34
    34
    35
    36
    36
    37
    37
    37
    36
    34
    34
    33
    31
    30
    Visibility (description)
    M
    M
    M
    M
    P
    P
    P
    P
    P
    P
    P
    P
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    93%
    93%
    92%
    92%
    93%
    94%
    94%
    94%
    94%
    93%
    94%
    93%
    88%
    85%
    83%
    79%
    80%
    81%
    82%
    85%
    86%
    87%
    88%
    88%
    UV - - - - - - 1 1 1 1 1 2 3 4 3 3 2 1 1 1 1 - - -
    Saturday (18 April 2026)
    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 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 Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    10%
    <5%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    20%
    20%
    30%
    40%
    30%
    30%
    20%
    20%
    Temperature (°C)
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SW
    11
    SW
    10
    SW
    10
    SW
    9
    SW
    9
    SW
    9
    SW
    8
    WSW
    8
    WSW
    8
    WSW
    9
    W
    9
    W
    9
    W
    9
    W
    9
    W
    9
    W
    8
    W
    8
    W
    7
    W
    7
    WSW
    6
    WSW
    5
    SW
    4
    SW
    4
    WSW
    4
    Wind gust (mph)
    29
    27
    25
    23
    22
    22
    21
    22
    23
    23
    23
    23
    23
    23
    23
    21
    21
    20
    20
    17
    15
    14
    13
    13
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    Humidity
    89%
    91%
    91%
    91%
    91%
    91%
    91%
    91%
    86%
    82%
    76%
    75%
    72%
    66%
    60%
    58%
    59%
    63%
    65%
    71%
    80%
    85%
    84%
    85%
    UV - - - - - - 1 1 1 2 2 3 3 3 4 3 1 1 1 1 1 - - -
    Sunday (19 April 2026)
    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 Clear night Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night
    Chance of precipitation
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    Wind direction and speed (mph)
    W
    3
    SW
    3
    WSW
    3
    WSW
    3
    WSW
    3
    WSW
    3
    WSW
    3
    WSW
    3
    NW
    3
    NNW
    3
    NW
    4
    WNW
    5
    WNW
    5
    WNW
    6
    NW
    6
    NW
    6
    NW
    6
    NNW
    6
    NNW
    5
    NNW
    5
    NNE
    4
    ESE
    3
    SE
    4
    SE
    4
    Wind gust (mph)
    13
    12
    12
    12
    12
    11
    10
    10
    11
    13
    14
    16
    16
    17
    17
    17
    16
    15
    13
    13
    11
    11
    12
    12
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    86%
    87%
    87%
    88%
    89%
    90%
    91%
    89%
    84%
    76%
    67%
    64%
    61%
    56%
    56%
    56%
    56%
    57%
    60%
    64%
    76%
    81%
    81%
    82%
    UV - - - - - - 1 1 1 2 2 3 3 3 3 2 2 1 1 1 1 - - -
    Monday (20 April 2026)
    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 intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    <5%
    10%
    10%
    Temperature (°C)
    12°
    12°
    11°
    Feels like temperature (°C)
    10°
    10°
    Wind direction and speed (mph)
    SE
    3
    SE
    3
    SE
    3
    SE
    3
    SE
    5
    SE
    7
    NNE
    7
    NE
    6
    NE
    3
    Wind gust (mph)
    12
    9
    8
    12
    20
    21
    20
    16
    13
    Visibility (description)
    G
    G
    M
    M
    G
    G
    G
    G
    G
    Humidity
    84%
    85%
    86%
    86%
    61%
    55%
    57%
    64%
    84%
    UV - - - 1 3 4 2 1 -
    Tuesday (21 April 2026)
    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
    10%
    10%
    20%
    20%
    20%
    10%
    20%
    20%
    Temperature (°C)
    11°
    12°
    11°
    Feels like temperature (°C)
    10°
    10°
    Wind direction and speed (mph)
    E
    4
    ESE
    4
    ESE
    4
    E
    7
    ENE
    9
    ENE
    8
    E
    8
    E
    5
    Wind gust (mph)
    12
    12
    17
    24
    25
    25
    22
    18
    Visibility (description)
    G
    M
    M
    G
    M
    G
    G
    M
    Humidity
    87%
    91%
    88%
    71%
    62%
    58%
    66%
    78%
    UV - - 1 2 3 2 1 -

    UK video forecast

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    Wales weather forecast

    Headline:

    Changeable this week. Turning drier through the weekend.

    Today:

    A grey start across Wales with outbreaks of drizzle. A spells of heavy rain with blustery winds will move through in the afternoon, with brighter skies following and a few heavy showers. Maximum temperature 15 °C.

    Tonight:

    Breezy tonight with clear spells and occasional showers moving through, which could be heavy at times. Staying mild with the brisk winds. Minimum temperature 7 °C.

    Thursday:

    Sunny spells and scattered showers on Thursday. Turning increasingly cloudy through the afternoon. Feeling pleasant in any brighter spells. Maximum temperature 17 °C.

    Outlook for Friday to Sunday:

    A spell of rain will move through on Friday. Scattered showers on Saturday. Most likely turning dry, warm and sunny on Sunday.

    Updated:

    UK long range weather forecast

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