Carnedd Gwenllian (Conwy) weather

Forecast days

Fog.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

    7 day forecast for Carnedd Gwenllian

    Today (21 September 2026)
    Time
    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
    Chance of precipitation
    <5%
    10%
    10%
    10%
    20%
    30%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature
    12°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    11°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    10°
    10°
    10°
    11°
    11°
    11°
    Wind direction and speed
    SW
    18
    SW
    17
    SW
    17
    SW
    16
    SW
    15
    SW
    14
    SW
    13
    SW
    10
    SSW
    10
    SSW
    10
    SSW
    11
    SW
    11
    SSW
    11
    SSW
    11
    Wind gust (mph)
    19
    18
    17
    16
    16
    15
    13
    12
    10
    11
    12
    13
    14
    14
    Visibility
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    Humidity
    94%
    92%
    95%
    93%
    93%
    94%
    93%
    93%
    95%
    97%
    96%
    97%
    96%
    95%
    UV 2 3 3 3 3 2 1 1 1 1 - - - -
    Tuesday (22 September 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 Mist Mist Fog Fog Fog Mist Mist Mist Mist Mist Mist Mist Sunny intervals Sunny intervals Sunny intervals Mist Mist Mist Mist Mist Mist Mist Mist Mist
    Chance of precipitation
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    13°
    12°
    13°
    12°
    12°
    12°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    10°
    10°
    Wind direction and speed (mph)
    SSW
    11
    SSW
    11
    S
    11
    S
    11
    S
    11
    S
    11
    S
    11
    SSW
    11
    SSW
    13
    SW
    11
    SW
    11
    SW
    11
    SW
    10
    SW
    10
    WSW
    10
    WSW
    10
    WSW
    10
    SW
    9
    SSW
    8
    S
    10
    S
    10
    S
    11
    SSW
    11
    SSW
    13
    Wind gust (mph)
    14
    15
    15
    15
    15
    15
    15
    15
    14
    13
    13
    12
    12
    13
    12
    12
    11
    10
    8
    11
    11
    13
    13
    14
    Visibility (description)
    VP
    P
    P
    VP
    VP
    VP
    P
    P
    P
    P
    P
    P
    M
    M
    M
    M
    P
    P
    P
    P
    P
    P
    P
    P
    Humidity
    95%
    93%
    93%
    93%
    93%
    93%
    92%
    92%
    91%
    90%
    91%
    88%
    87%
    86%
    86%
    87%
    87%
    87%
    91%
    94%
    91%
    91%
    90%
    90%
    UV - - - - - - - 1 1 1 2 2 3 3 3 2 1 1 1 1 - - - -
    Wednesday (23 September 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 Mist Mist Fog Fog Fog Fog Light rain Light rain Heavy rain Heavy rain Light rain Light shower day Fog Mist Mist Mist Mist Mist Mist Partly cloudy night Mist Mist Mist Mist
    Chance of precipitation
    10%
    10%
    20%
    30%
    30%
    30%
    50%
    70%
    80%
    90%
    80%
    60%
    50%
    40%
    20%
    10%
    10%
    10%
    10%
    <5%
    10%
    10%
    <5%
    <5%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSW
    13
    SSW
    15
    SSW
    17
    SSW
    16
    SSW
    17
    SW
    19
    SW
    21
    SW
    21
    WSW
    21
    W
    21
    W
    21
    WNW
    23
    NW
    24
    NW
    24
    NW
    25
    NW
    24
    NW
    24
    NNW
    24
    NNW
    21
    NNW
    21
    NNW
    21
    N
    18
    N
    16
    N
    16
    Wind gust (mph)
    15
    16
    19
    18
    19
    21
    23
    24
    23
    23
    25
    26
    27
    27
    28
    27
    27
    25
    21
    23
    23
    20
    18
    17
    Visibility (description)
    P
    P
    P
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    P
    P
    VP
    VP
    P
    P
    P
    P
    P
    P
    M
    M
    P
    P
    Humidity
    92%
    92%
    93%
    95%
    96%
    97%
    97%
    97%
    98%
    98%
    98%
    99%
    97%
    97%
    93%
    89%
    87%
    85%
    85%
    86%
    87%
    87%
    88%
    88%
    UV - - - - - - - 1 1 1 1 2 2 2 2 2 1 1 1 1 - - - -
    Thursday (24 September 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 Mist Mist Mist Mist Clear night Mist Clear night Sunny day Sunny intervals Sunny day Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day Mist Mist Mist Mist Fog Fog Fog Fog
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    N
    15
    NNE
    16
    E
    15
    ESE
    15
    SE
    15
    SE
    16
    SSE
    16
    SSE
    18
    SSE
    18
    SSE
    19
    S
    23
    S
    23
    S
    23
    SSW
    24
    SSW
    25
    SSW
    25
    SSW
    25
    SSW
    25
    SSW
    25
    SSW
    26
    SSW
    26
    SSW
    26
    SSW
    26
    SSW
    26
    Wind gust (mph)
    16
    18
    16
    16
    16
    18
    18
    20
    20
    21
    25
    25
    25
    26
    28
    28
    28
    28
    28
    29
    28
    29
    29
    29
    Visibility (description)
    P
    P
    P
    M
    M
    M
    M
    M
    M
    M
    M
    G
    M
    M
    M
    M
    M
    M
    P
    P
    P
    VP
    VP
    VP
    Humidity
    88%
    88%
    87%
    86%
    85%
    85%
    84%
    83%
    81%
    77%
    75%
    70%
    70%
    69%
    68%
    72%
    75%
    79%
    84%
    88%
    92%
    93%
    93%
    95%
    UV - - - - - - - 1 1 1 2 3 3 4 3 2 1 1 1 1 - - - -
    Friday (25 September 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 Mist Mist Mist Mist Mist Mist Fog Fog Fog Fog Fog Fog Fog
    Chance of precipitation
    <5%
    10%
    10%
    20%
    20%
    20%
    20%
    20%
    20%
    30%
    30%
    30%
    30%
    40%
    40%
    40%
    40%
    40%
    40%
    30%
    30%
    30%
    30%
    40%
    Temperature (°C)
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSW
    26
    SSW
    27
    SSW
    28
    SSW
    25
    SSW
    24
    SSW
    23
    SSW
    24
    SSW
    23
    SSW
    23
    SSW
    23
    SSW
    23
    SSW
    24
    SW
    24
    SW
    23
    WSW
    24
    WSW
    21
    WSW
    21
    SW
    19
    SW
    17
    SSW
    17
    SSW
    17
    SSW
    17
    SSW
    16
    S
    16
    Wind gust (mph)
    29
    30
    30
    28
    27
    25
    27
    25
    25
    25
    25
    27
    27
    25
    27
    23
    23
    21
    19
    19
    19
    19
    18
    18
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    P
    P
    P
    P
    P
    P
    VP
    VP
    VP
    VP
    VP
    VP
    Humidity
    96%
    96%
    97%
    98%
    98%
    98%
    98%
    99%
    98%
    97%
    95%
    92%
    90%
    89%
    88%
    86%
    87%
    88%
    91%
    93%
    95%
    95%
    95%
    95%
    UV - - - - - - - 1 1 1 2 2 3 3 2 2 1 1 1 1 - - - -
    Saturday (26 September 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 Mist Sunny intervals Sunny intervals Mist Mist Fog
    Chance of precipitation
    40%
    20%
    20%
    20%
    10%
    10%
    20%
    10%
    10%
    Temperature (°C)
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    16
    SSW
    15
    SSW
    15
    S
    10
    SSW
    11
    SSW
    15
    SW
    16
    SSW
    15
    S
    14
    Wind gust (mph)
    18
    17
    16
    11
    15
    18
    17
    16
    16
    Visibility (description)
    VP
    VP
    VP
    VP
    P
    M
    M
    P
    P
    Humidity
    95%
    96%
    96%
    97%
    88%
    71%
    72%
    87%
    94%
    UV - - - 1 2 3 1 1 -
    Sunday (27 September 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Fog Fog Sunny intervals Sunny intervals Sunny intervals Sunny intervals Mist Mist
    Chance of precipitation
    20%
    20%
    20%
    20%
    30%
    30%
    20%
    20%
    Temperature (°C)
    10°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    15
    S
    15
    S
    15
    S
    17
    SSW
    19
    SSW
    18
    S
    16
    S
    16
    Wind gust (mph)
    16
    16
    18
    24
    24
    22
    17
    18
    Visibility (description)
    VP
    VP
    VP
    M
    G
    G
    M
    M
    Humidity
    94%
    96%
    96%
    85%
    73%
    76%
    86%
    91%
    UV - - 1 2 3 1 1 -

    UK video forecast

    Carnedd Gwenllian weather map

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    Wales weather forecast

    Headline:

    Cloud in the north, dry and bright in the south.

    Today:

    Eastern areas of Wales will be sunniest on Monday with western areas often much cloudier. Here the cloud could give the odd drizzly outbreak, mainly in the northwest. Light winds however and feeling warm in the east. Maximum temperature 21 °C.

    Tonight:

    Remaining cloud in the northwest but clearer in the south. Mist developing under clear skies in the south. A chilly night with grass frost possible. Minimum temperature 7 °C.

    Tuesday:

    Cloud remains in the north but lifts and breaks through the day. Brighter in the south with more sunny spells. Another warm with temperatures above average. Maximum temperature 23 °C.

    Outlook for Wednesday to Friday:

    Turning much wetter in the north on Wednesday with some heavy rain but staying mostly dry further south for the next few days. Temperatures return to average.

    Updated:

    UK long range weather forecast