Moelwyn Mawr (Gwynedd) weather

Forecast days

Light snow showers changing to heavy rain by nighttime.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
M Pollution

    7 day forecast for Moelwyn Mawr

    Today (11 April 2026)
    Time
    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 snow shower night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Light snow shower day Light snow Light snow shower day Light snow shower day Light snow shower day Light snow shower day Light snow shower day Light snow shower day Light snow Sleet shower Heavy rain Heavy rain Light rain
    Chance of precipitation
    80%
    40%
    40%
    30%
    50%
    80%
    90%
    90%
    90%
    80%
    90%
    90%
    80%
    80%
    ≥95%
    ≥95%
    90%
    90%
    Temperature
    Feels like temperature (°C)
    -7°
    -7°
    -7°
    -7°
    -6°
    -6°
    -6°
    -7°
    -6°
    -6°
    -5°
    -6°
    -6°
    -7°
    -7°
    -7°
    -6°
    -5°
    Wind direction and speed
    SW
    25
    SW
    25
    SW
    26
    SW
    28
    SW
    30
    SW
    31
    SSW
    31
    SSW
    32
    SSW
    32
    SSW
    32
    SSW
    32
    SSW
    33
    SSW
    38
    SSW
    40
    SSW
    41
    SSW
    42
    SSW
    43
    SSW
    43
    Wind gust (mph)
    30
    31
    33
    36
    39
    42
    43
    44
    45
    45
    47
    47
    48
    48
    49
    50
    50
    49
    Visibility
    VP
    M
    G
    VG
    G
    G
    M
    P
    P
    P
    M
    M
    M
    M
    P
    VP
    P
    P
    Humidity
    92%
    83%
    77%
    72%
    71%
    68%
    76%
    84%
    84%
    84%
    81%
    80%
    83%
    82%
    85%
    89%
    91%
    89%
    UV 1 1 1 1 2 3 3 1 2 2 1 1 1 1 1 - - -
    Sunday (12 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 Heavy rain Heavy shower night Light shower night Light shower night Overcast Light shower night Overcast 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
    90%
    80%
    80%
    60%
    50%
    50%
    40%
    30%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    20%
    10%
    10%
    10%
    30%
    30%
    20%
    20%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    -5°
    -5°
    -5°
    -5°
    -4°
    -4°
    -3°
    -3°
    -3°
    -3°
    -3°
    -2°
    -2°
    -2°
    -1°
    -2°
    -2°
    -2°
    -2°
    -3°
    -3°
    -3°
    -3°
    -3°
    Wind direction and speed (mph)
    SSW
    42
    SSW
    41
    SSW
    40
    SW
    39
    SW
    36
    SW
    34
    SW
    30
    SW
    29
    SW
    29
    SW
    29
    SW
    30
    SW
    30
    SW
    30
    SW
    29
    SW
    29
    SW
    28
    SW
    26
    SW
    24
    SW
    25
    SW
    22
    SW
    18
    SW
    15
    SSW
    14
    SSW
    13
    Wind gust (mph)
    48
    47
    44
    41
    39
    37
    36
    36
    36
    37
    36
    36
    36
    36
    35
    34
    34
    31
    29
    26
    22
    20
    19
    17
    Visibility (description)
    P
    P
    P
    P
    VP
    P
    P
    P
    P
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    Humidity
    90%
    91%
    91%
    91%
    92%
    90%
    89%
    88%
    86%
    84%
    79%
    75%
    73%
    70%
    68%
    71%
    73%
    74%
    76%
    79%
    83%
    86%
    85%
    87%
    UV - - - - - - 1 1 1 1 2 3 3 4 4 3 2 1 1 1 1 - - -
    Monday (13 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 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 Clear night Clear night Clear night Clear night
    Chance of precipitation
    30%
    30%
    30%
    30%
    40%
    50%
    50%
    50%
    40%
    40%
    30%
    30%
    40%
    50%
    50%
    40%
    40%
    30%
    20%
    20%
    10%
    10%
    <5%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    -3°
    -3°
    -3°
    -3°
    -3°
    -4°
    -3°
    -3°
    -2°
    -1°
    -1°
    -1°
    -2°
    -2°
    -3°
    Wind direction and speed (mph)
    SSW
    13
    SW
    12
    SSW
    10
    S
    10
    SSE
    10
    SSE
    10
    SSE
    9
    SSE
    8
    SSE
    8
    S
    9
    SSW
    10
    SSW
    12
    SW
    13
    SW
    13
    SW
    14
    SW
    14
    SW
    14
    SW
    12
    SW
    12
    SW
    9
    SSW
    8
    SSE
    9
    SE
    10
    SSE
    10
    Wind gust (mph)
    17
    15
    14
    13
    13
    13
    14
    14
    15
    17
    17
    18
    18
    19
    18
    18
    17
    16
    13
    10
    9
    10
    10
    12
    Visibility (description)
    M
    M
    P
    P
    VP
    VP
    VP
    VP
    P
    M
    G
    VG
    M
    G
    G
    VG
    VG
    G
    G
    G
    M
    VG
    G
    M
    Humidity
    87%
    90%
    91%
    92%
    92%
    93%
    93%
    92%
    88%
    85%
    78%
    74%
    69%
    67%
    62%
    59%
    60%
    62%
    70%
    75%
    85%
    86%
    87%
    86%
    UV - - - - - - 1 1 1 1 2 2 3 4 3 3 2 1 1 1 1 - - -
    Tuesday (14 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 Clear night Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Mist Fog Fog Fog
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    10%
    20%
    20%
    20%
    30%
    40%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    -3°
    -3°
    -3°
    -4°
    -4°
    -4°
    -3°
    -3°
    -1°
    Wind direction and speed (mph)
    SE
    11
    SE
    11
    SE
    11
    SE
    12
    SE
    12
    SE
    13
    SE
    12
    SE
    12
    SE
    12
    SE
    14
    SSE
    16
    SSE
    18
    SSE
    19
    SSE
    19
    S
    20
    S
    20
    S
    20
    S
    19
    S
    18
    S
    17
    SSE
    18
    SSE
    19
    SSE
    21
    SSE
    22
    Wind gust (mph)
    13
    14
    14
    13
    15
    15
    15
    16
    18
    21
    23
    24
    25
    26
    25
    25
    25
    24
    23
    22
    23
    25
    27
    28
    Visibility (description)
    M
    G
    G
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    M
    M
    M
    P
    P
    P
    Humidity
    85%
    85%
    86%
    85%
    85%
    85%
    85%
    84%
    79%
    76%
    70%
    64%
    60%
    56%
    55%
    55%
    58%
    59%
    65%
    70%
    72%
    75%
    79%
    80%
    UV - - - - - - 1 1 1 1 2 3 3 3 3 2 1 1 1 1 1 - - -
    Wednesday (15 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 Fog Fog Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light shower day Light shower day Light shower day Mist Mist Mist Mist Sunny day Mist Fog Fog Fog
    Chance of precipitation
    40%
    50%
    60%
    60%
    60%
    70%
    70%
    70%
    70%
    70%
    70%
    70%
    60%
    60%
    50%
    40%
    40%
    30%
    30%
    20%
    20%
    20%
    20%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    -1°
    -1°
    Wind direction and speed (mph)
    SSE
    23
    SSE
    23
    SSE
    23
    SSE
    24
    SSE
    24
    SSE
    24
    SSE
    24
    SSE
    22
    SSE
    22
    SSE
    23
    S
    23
    S
    24
    S
    25
    SSW
    27
    SSW
    27
    SSW
    27
    SSW
    27
    SSW
    26
    SSW
    25
    SSW
    27
    SSW
    26
    SSW
    26
    SSW
    26
    SSW
    27
    Wind gust (mph)
    28
    29
    29
    30
    30
    29
    28
    28
    28
    29
    29
    30
    30
    31
    30
    29
    29
    30
    29
    27
    29
    27
    27
    27
    Visibility (description)
    P
    P
    P
    P
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    P
    P
    P
    P
    P
    P
    P
    P
    P
    VP
    VP
    Humidity
    83%
    86%
    89%
    91%
    91%
    93%
    95%
    95%
    95%
    95%
    95%
    94%
    93%
    92%
    91%
    87%
    87%
    84%
    85%
    87%
    90%
    92%
    93%
    94%
    UV - - - - - - 1 1 1 1 1 2 2 3 3 2 2 1 1 1 1 - - -
    Thursday (16 April 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 Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    30%
    20%
    30%
    20%
    10%
    10%
    10%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    -2°
    -2°
    -2°
    -2°
    Wind direction and speed (mph)
    SSW
    27
    SSW
    30
    SSW
    27
    SSW
    20
    SSW
    23
    SSW
    23
    SSW
    27
    SSW
    20
    S
    15
    Wind gust (mph)
    30
    33
    30
    26
    28
    29
    30
    22
    17
    Visibility (description)
    VP
    VP
    VP
    VP
    P
    M
    G
    G
    P
    Humidity
    94%
    94%
    95%
    95%
    88%
    75%
    67%
    78%
    91%
    UV - - - 1 2 4 2 1 -
    Friday (17 April 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Fog Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    Temperature (°C)
    Feels like temperature (°C)
    -1°
    -1°
    -1°
    Wind direction and speed (mph)
    S
    15
    S
    12
    S
    13
    S
    18
    S
    20
    SSW
    21
    SSW
    15
    SSE
    11
    Wind gust (mph)
    16
    17
    22
    25
    24
    24
    16
    12
    Visibility (description)
    P
    VP
    VP
    M
    M
    M
    M
    P
    Humidity
    93%
    93%
    94%
    81%
    71%
    70%
    80%
    92%
    UV - - 1 2 3 2 1 -

    UK video forecast

    Moelwyn Mawr weather map

    View the weather with our interactive map

    Loading map...

    Wales weather forecast

    Headline:

    A weekend of blustery April showers.

    Today:

    A wet start to the morning, but rain quickly clearing to the east. Then a day of sunshine and scattered blustery showers. Some of the showers will be heavy, with hail and thunder. Feeling chilly with a gusty southwesterly wind. Maximum temperature 11 °C.

    Tonight:

    Staying windy, with further showers through the evening and overnight. Again, some of these will be on the heavy side, with the risk of hail. Minimum temperature 3 °C.

    Sunday:

    Another day of sunny spells and scattered showers is expected. Showers may be a little less frequent then Saturday. Winds remaining brisk, though gradually easing later in the afternoon. Maximum temperature 12 °C.

    Outlook for Monday to Wednesday:

    Sunshine and showers through Monday. Drier and brighter on Tuesday, ahead of rain arriving later in the day. Wetter and windier again on Wednesday. Temperatures trending up a little.

    Updated:

    UK long range weather forecast

    More from the Met Office