Plas-y-Brenin National Centre For The Mountains (Conwy) weather

Forecast days

Light showers changing to mist by early evening.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

    7 day forecast for Plas-y-Brenin National Centre For The Mountains

    Today (12 September 2026)
    Time
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Light shower day Light shower day Mist Mist Mist Mist Mist
    Chance of precipitation
    20%
    60%
    50%
    50%
    50%
    40%
    40%
    Temperature
    18°
    18°
    17°
    17°
    17°
    17°
    16°
    Feels like temperature (°C)
    16°
    16°
    17°
    17°
    17°
    17°
    16°
    Wind direction and speed
    SW
    13
    SW
    11
    WSW
    9
    SW
    8
    SW
    7
    SW
    6
    SW
    5
    Wind gust (mph)
    28
    24
    21
    19
    17
    15
    13
    Visibility
    P
    P
    P
    P
    P
    P
    P
    Humidity
    99%
    98%
    97%
    97%
    97%
    96%
    97%
    UV 1 1 1 - - - -
    Sunday (13 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 Light rain Mist Light rain Light rain Light shower night Overcast Mist Mist Mist Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Mist Mist Mist Mist Mist Mist
    Chance of precipitation
    50%
    40%
    50%
    60%
    50%
    30%
    30%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    30%
    30%
    40%
    Temperature (°C)
    16°
    16°
    15°
    15°
    15°
    15°
    15°
    14°
    15°
    15°
    17°
    18°
    18°
    19°
    19°
    19°
    19°
    18°
    18°
    17°
    16°
    16°
    16°
    16°
    Feels like temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    15°
    16°
    17°
    18°
    19°
    19°
    19°
    19°
    18°
    18°
    17°
    17°
    16°
    17°
    16°
    16°
    Wind direction and speed (mph)
    SW
    5
    WSW
    3
    WSW
    3
    WSW
    3
    W
    3
    WSW
    2
    W
    2
    WSW
    2
    WSW
    1
    WSW
    2
    SW
    2
    SW
    3
    SW
    4
    SW
    5
    SW
    7
    SW
    7
    SW
    8
    SW
    7
    SW
    7
    SW
    5
    SW
    5
    SW
    5
    SW
    7
    SW
    7
    Wind gust (mph)
    12
    11
    11
    10
    9
    9
    8
    8
    4
    9
    9
    11
    13
    14
    15
    14
    14
    13
    12
    12
    12
    14
    16
    17
    Visibility (description)
    M
    M
    M
    P
    M
    M
    M
    M
    M
    M
    M
    G
    G
    G
    G
    M
    M
    M
    M
    P
    P
    P
    M
    M
    Humidity
    97%
    97%
    97%
    97%
    97%
    97%
    97%
    97%
    96%
    93%
    90%
    86%
    82%
    80%
    79%
    82%
    83%
    86%
    87%
    93%
    96%
    97%
    99%
    98%
    UV - - - - - - 1 1 1 1 2 3 3 3 3 3 2 1 1 1 - - - -
    Monday (14 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 Light rain Mist Mist Mist Mist Mist Mist Mist Mist Light shower day Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain
    Chance of precipitation
    40%
    30%
    40%
    50%
    50%
    40%
    40%
    30%
    30%
    30%
    30%
    40%
    50%
    60%
    60%
    70%
    80%
    80%
    70%
    80%
    80%
    90%
    90%
    90%
    Temperature (°C)
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    15°
    15°
    Wind direction and speed (mph)
    SW
    8
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    10
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    13
    SW
    13
    SW
    14
    SW
    14
    SW
    13
    SW
    15
    SW
    15
    SW
    16
    SW
    16
    SW
    16
    SW
    15
    Wind gust (mph)
    18
    19
    19
    19
    19
    19
    18
    21
    22
    23
    25
    26
    28
    29
    30
    30
    31
    32
    33
    33
    32
    33
    34
    33
    Visibility (description)
    M
    P
    P
    P
    P
    P
    P
    M
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    Humidity
    99%
    99%
    99%
    100%
    100%
    100%
    99%
    98%
    98%
    97%
    96%
    94%
    95%
    96%
    98%
    99%
    99%
    100%
    100%
    99%
    99%
    99%
    99%
    99%
    UV - - - - - - 1 1 1 1 2 3 4 3 3 2 2 1 1 1 - - - -
    Tuesday (15 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 Heavy rain Heavy rain Heavy rain Heavy shower night Light shower night Cloudy Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Light shower day Light shower day Light shower day Partly cloudy night Light shower night Light shower night Light shower night Cloudy
    Chance of precipitation
    80%
    80%
    80%
    70%
    50%
    30%
    30%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    20%
    40%
    50%
    50%
    50%
    50%
    50%
    60%
    50%
    50%
    Temperature (°C)
    17°
    17°
    17°
    16°
    16°
    15°
    15°
    14°
    14°
    14°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    14°
    13°
    13°
    13°
    13°
    Feels like temperature (°C)
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    12°
    12°
    12°
    12°
    Wind direction and speed (mph)
    SW
    14
    SW
    13
    SW
    13
    WSW
    11
    WSW
    10
    WSW
    9
    W
    8
    WSW
    8
    WSW
    8
    W
    9
    W
    9
    W
    10
    W
    11
    W
    11
    W
    11
    W
    11
    W
    10
    W
    10
    W
    9
    W
    9
    W
    8
    W
    8
    W
    8
    W
    9
    Wind gust (mph)
    32
    31
    30
    29
    25
    23
    22
    21
    22
    23
    25
    26
    26
    26
    26
    25
    24
    23
    22
    22
    23
    23
    25
    25
    Visibility (description)
    P
    P
    P
    P
    P
    P
    M
    M
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    Humidity
    98%
    98%
    97%
    96%
    95%
    94%
    93%
    92%
    91%
    87%
    84%
    81%
    77%
    73%
    73%
    73%
    74%
    78%
    82%
    84%
    88%
    87%
    87%
    88%
    UV - - - - - - 1 1 1 1 2 3 4 4 4 3 2 1 1 1 - - - -
    Wednesday (16 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 Light shower night Light shower night Light shower night Light shower night Overcast Overcast Cloudy Cloudy Overcast Cloudy Light shower day Cloudy Cloudy Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Light rain Light rain Light rain
    Chance of precipitation
    50%
    60%
    60%
    60%
    40%
    40%
    50%
    50%
    50%
    50%
    50%
    40%
    30%
    20%
    20%
    20%
    20%
    30%
    30%
    30%
    40%
    50%
    50%
    50%
    Temperature (°C)
    13°
    13°
    12°
    12°
    12°
    12°
    12°
    11°
    12°
    13°
    13°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    13°
    13°
    13°
    14°
    Feels like temperature (°C)
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    12°
    11°
    12°
    Wind direction and speed (mph)
    W
    9
    W
    9
    WNW
    9
    WNW
    9
    WNW
    9
    WNW
    9
    W
    8
    W
    8
    W
    8
    W
    9
    WNW
    9
    WNW
    9
    WNW
    9
    W
    9
    W
    10
    W
    10
    W
    10
    WSW
    9
    WSW
    9
    SW
    9
    SW
    8
    SW
    9
    SW
    10
    SW
    11
    Wind gust (mph)
    24
    25
    25
    24
    24
    24
    23
    23
    22
    23
    23
    23
    23
    23
    24
    24
    23
    23
    21
    21
    22
    24
    25
    28
    Visibility (description)
    G
    G
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    M
    M
    Humidity
    87%
    88%
    88%
    88%
    90%
    88%
    88%
    89%
    88%
    87%
    85%
    83%
    81%
    78%
    76%
    74%
    74%
    76%
    79%
    85%
    87%
    90%
    92%
    92%
    UV - - - - - - 1 1 1 1 2 2 3 3 2 2 1 1 1 1 - - - -
    Thursday (17 September 2026)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Light rain Light shower night Light shower night Sunny intervals Cloudy Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    60%
    70%
    60%
    30%
    30%
    40%
    40%
    40%
    30%
    Temperature (°C)
    13°
    13°
    13°
    13°
    13°
    14°
    14°
    13°
    12°
    Feels like temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    Wind direction and speed (mph)
    SW
    13
    SW
    13
    WSW
    13
    WSW
    11
    W
    14
    WSW
    16
    WSW
    16
    WSW
    11
    WSW
    10
    Wind gust (mph)
    30
    31
    29
    29
    32
    33
    30
    25
    24
    Visibility (description)
    P
    P
    P
    G
    G
    G
    G
    G
    G
    Humidity
    93%
    93%
    94%
    92%
    83%
    77%
    79%
    86%
    89%
    UV - - - 1 2 3 2 1 -
    Friday (18 September 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 Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    30%
    30%
    30%
    20%
    20%
    40%
    50%
    40%
    Temperature (°C)
    12°
    12°
    12°
    13°
    15°
    15°
    14°
    14°
    Feels like temperature (°C)
    10°
    10°
    10°
    11°
    12°
    12°
    12°
    13°
    Wind direction and speed (mph)
    WSW
    10
    WSW
    10
    WSW
    9
    WSW
    13
    SW
    14
    SW
    14
    SW
    13
    SW
    11
    Wind gust (mph)
    23
    23
    28
    31
    33
    31
    29
    28
    Visibility (description)
    G
    G
    M
    G
    G
    M
    M
    M
    Humidity
    91%
    92%
    93%
    85%
    75%
    77%
    90%
    92%
    UV - - 1 2 3 1 1 -

    UK video forecast

    Plas-y-Brenin National Centre For The Mountains weather map

    View the weather with our interactive map

    Loading map...

    Wales weather forecast

    Headline:

    Rain overnight, becoming drier and brighter on Sunday.

    This Evening and Tonight:

    Further outbreaks of rain are likely this evening and tonight, with some heavier bursts at times. It will gradually turn drier from the north in the early hours with some clear spells. However most places will remain cloudy. Winds easing. Minimum temperature 17 °C.

    Sunday:

    A mostly cloudy start with outbreaks of rain. Drier and brighter by the afternoon across North and mid-Wales, but likely remaining cloudy in the south. Lighter winds. Maximum temperature 23 °C.

    Outlook for Monday to Wednesday:

    Remaining changeable over the next few days, with spells of rain or showers at times, and feeling increasingly fresh. Turning windy as spells of rain move through.

    Updated:

    UK long range weather forecast