Yr Wyddfa / Snowdon Summit (Gwynedd) weather

Forecast days

Sunny intervals changing to cloudy in the afternoon.
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Sunset iconSunset:
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    7 day forecast for Yr Wyddfa / Snowdon Summit

    Today (15 June 2026)
    Time
    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 Cloudy Cloudy Cloudy Fog Fog Fog Light rain Light rain Light rain
    Chance of precipitation
    20%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    20%
    50%
    60%
    70%
    70%
    Temperature
    10°
    11°
    12°
    12°
    13°
    13°
    13°
    14°
    13°
    12°
    11°
    10°
    Feels like temperature (°C)
    10°
    Wind direction and speed
    ESE
    27
    ESE
    26
    SE
    25
    SE
    24
    SE
    23
    SSE
    22
    SSE
    22
    SSE
    22
    SSE
    21
    SSW
    19
    SSW
    17
    S
    18
    S
    19
    S
    20
    S
    20
    Wind gust (mph)
    29
    29
    28
    26
    25
    25
    25
    24
    23
    21
    18
    20
    21
    22
    22
    Visibility
    G
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    P
    VP
    VP
    VP
    VP
    VP
    Humidity
    83%
    78%
    73%
    67%
    67%
    67%
    67%
    68%
    70%
    77%
    87%
    93%
    98%
    100%
    100%
    UV 3 5 5 5 5 5 3 3 1 1 1 1 1 - -
    Tuesday (16 June 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 Light rain Light rain Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain
    Chance of precipitation
    60%
    60%
    60%
    50%
    20%
    20%
    20%
    10%
    20%
    10%
    20%
    30%
    30%
    30%
    50%
    80%
    90%
    ≥95%
    90%
    80%
    90%
    90%
    80%
    80%
    Temperature (°C)
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSW
    19
    SSW
    19
    SW
    18
    SW
    18
    SW
    18
    SW
    18
    SW
    18
    SSW
    19
    SSW
    19
    SSW
    22
    S
    25
    S
    27
    S
    29
    SSW
    30
    SSW
    32
    SSW
    33
    SSW
    34
    S
    33
    S
    32
    S
    30
    S
    32
    SSW
    30
    SSW
    29
    SSW
    28
    Wind gust (mph)
    21
    21
    20
    20
    20
    20
    20
    21
    21
    24
    28
    30
    32
    34
    35
    37
    37
    37
    35
    34
    35
    33
    32
    31
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    Humidity
    100%
    100%
    100%
    100%
    100%
    99%
    99%
    98%
    96%
    98%
    96%
    93%
    95%
    94%
    93%
    94%
    98%
    99%
    99%
    99%
    99%
    100%
    100%
    100%
    UV - - - - 1 1 1 1 2 2 4 4 4 4 3 2 1 1 1 1 1 1 - -
    Wednesday (17 June 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 Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog
    Chance of precipitation
    80%
    70%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    50%
    50%
    40%
    30%
    30%
    20%
    20%
    10%
    10%
    10%
    20%
    20%
    10%
    20%
    20%
    Temperature (°C)
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSW
    29
    SSW
    29
    SSW
    29
    SSW
    29
    SSW
    29
    SSW
    28
    SSW
    28
    SW
    26
    SW
    23
    SW
    24
    SW
    24
    SW
    24
    SW
    25
    SSW
    26
    SSW
    28
    SSW
    28
    SSW
    27
    SSW
    27
    SSW
    27
    SSW
    27
    SSW
    30
    SSW
    30
    SSW
    30
    SSW
    30
    Wind gust (mph)
    32
    32
    32
    32
    32
    31
    30
    29
    26
    26
    27
    27
    27
    29
    30
    30
    30
    30
    30
    30
    33
    33
    33
    33
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    Humidity
    100%
    100%
    100%
    100%
    100%
    100%
    100%
    100%
    100%
    99%
    99%
    99%
    98%
    94%
    90%
    88%
    86%
    88%
    89%
    91%
    94%
    96%
    98%
    98%
    UV - - - - 1 1 1 1 1 2 2 3 3 5 4 4 3 2 1 1 1 1 - -
    Thursday (18 June 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 Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Light rain Light rain Fog Light rain Light rain Fog Fog Fog Fog Fog Fog Fog
    Chance of precipitation
    20%
    20%
    30%
    30%
    30%
    30%
    50%
    50%
    50%
    50%
    50%
    50%
    50%
    50%
    50%
    50%
    50%
    50%
    40%
    40%
    40%
    40%
    50%
    50%
    Temperature (°C)
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSW
    30
    SSW
    30
    SSW
    30
    SSW
    29
    SSW
    29
    S
    29
    S
    31
    S
    32
    S
    30
    S
    33
    S
    34
    S
    35
    SSW
    36
    S
    36
    S
    36
    SSW
    36
    SSW
    36
    S
    35
    S
    34
    S
    34
    S
    37
    S
    36
    S
    35
    S
    35
    Wind gust (mph)
    33
    33
    33
    32
    32
    32
    34
    35
    33
    36
    37
    39
    40
    40
    40
    40
    40
    38
    38
    37
    40
    39
    39
    38
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    Humidity
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    98%
    99%
    99%
    100%
    100%
    99%
    99%
    100%
    100%
    100%
    UV - - - - 1 1 1 1 1 2 2 2 3 4 3 3 2 2 1 1 1 1 - -
    Friday (19 June 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 Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog
    Chance of precipitation
    40%
    50%
    50%
    50%
    50%
    50%
    50%
    50%
    40%
    50%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    30%
    30%
    20%
    20%
    20%
    20%
    20%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    35
    S
    34
    S
    35
    S
    35
    S
    35
    S
    35
    S
    35
    SSW
    36
    SSW
    31
    SSW
    32
    SSW
    33
    SSW
    34
    SSW
    34
    SSW
    33
    SSW
    36
    SSW
    35
    SSW
    34
    SSW
    32
    SSW
    30
    SSW
    28
    S
    34
    S
    31
    S
    29
    S
    26
    Wind gust (mph)
    38
    38
    38
    39
    39
    39
    39
    39
    34
    36
    37
    37
    37
    36
    40
    39
    38
    36
    33
    31
    37
    35
    32
    29
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    Humidity
    100%
    100%
    100%
    100%
    100%
    100%
    100%
    100%
    100%
    100%
    99%
    99%
    99%
    98%
    97%
    96%
    95%
    95%
    94%
    94%
    94%
    95%
    96%
    96%
    UV - - - - 1 1 1 1 1 2 3 3 4 5 3 4 3 2 1 1 1 1 - -
    Saturday (20 June 2026)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Fog Fog Fog Fog Cloudy Sunny intervals Cloudy Mist Cloudy
    Chance of precipitation
    10%
    30%
    20%
    20%
    10%
    10%
    20%
    20%
    20%
    Temperature (°C)
    10°
    12°
    13°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    26
    S
    24
    SSW
    19
    SSW
    16
    SSW
    15
    SW
    19
    WSW
    25
    SW
    18
    S
    13
    Wind gust (mph)
    28
    27
    21
    18
    17
    19
    28
    20
    14
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    P
    VP
    Humidity
    96%
    96%
    97%
    94%
    83%
    70%
    69%
    77%
    92%
    UV - - 1 1 3 5 4 1 -
    Sunday (21 June 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Mist Cloudy Fog Sunny intervals Sunny intervals Sunny intervals Mist Fog
    Chance of precipitation
    20%
    10%
    10%
    20%
    10%
    10%
    20%
    20%
    Temperature (°C)
    12°
    14°
    14°
    13°
    Feels like temperature (°C)
    10°
    Wind direction and speed (mph)
    SE
    13
    SSE
    9
    SSE
    8
    S
    13
    SW
    20
    WSW
    30
    SW
    24
    S
    13
    Wind gust (mph)
    14
    10
    12
    18
    21
    33
    26
    15
    Visibility (description)
    VP
    VP
    VP
    VP
    P
    P
    P
    VP
    Humidity
    95%
    96%
    92%
    78%
    72%
    69%
    76%
    92%
    UV - 1 1 4 6 3 1 -

    UK video forecast

    Yr Wyddfa / Snowdon Summit weather map

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    Wales weather forecast

    Headline:

    Rather cloudy today.

    Today:

    A bright start for much of Wales with some good sunny spells. Cloud will thicken as the day goes on, with many places holding onto cloudy skies through the rest of the day. Feeling warm. Maximum temperature 23 °C.

    Tonight:

    Low cloud will spread across Wales during the evening and overnight with a few spots of drizzle possible at times. Staying mild under the blanket of cloud. Minimum temperature 15 °C.

    Tuesday:

    A grey and murky start but largely dry. Outbreaks of rain will gradually move in from the south through the day, turning heavy over the hills. Maximum temperature 20 °C.

    Outlook for Wednesday to Friday:

    Further spells of rain are likely over the next few days, but there will also be some drier and brighter interludes at times. Feeling warm and increasingly humid.

    Updated:

    UK long range weather forecast