Aran Fawddwy (Gwynedd) weather

Forecast days

Fog changing to light showers by late morning.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

    7 day forecast for Aran Fawddwy

    Today (15 September 2026)
    Time
    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 shower day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Overcast Overcast Light shower day Light shower day Mist Partly cloudy night Mist Fog Light shower night
    Chance of precipitation
    10%
    50%
    50%
    40%
    20%
    20%
    20%
    30%
    50%
    60%
    60%
    50%
    40%
    40%
    50%
    50%
    Temperature
    Feels like temperature (°C)
    Wind direction and speed
    W
    19
    W
    19
    W
    19
    W
    19
    W
    21
    W
    23
    W
    22
    W
    22
    W
    19
    W
    18
    W
    18
    W
    16
    W
    16
    W
    16
    WNW
    16
    WNW
    16
    Wind gust (mph)
    21
    23
    25
    26
    28
    29
    29
    27
    25
    23
    21
    20
    19
    19
    19
    19
    Visibility
    VP
    VP
    VP
    P
    M
    M
    M
    M
    M
    G
    G
    M
    M
    M
    P
    VP
    Humidity
    96%
    96%
    94%
    91%
    86%
    77%
    74%
    75%
    79%
    84%
    84%
    87%
    91%
    90%
    91%
    93%
    UV 1 1 2 3 3 4 3 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 Heavy shower night Light shower night Light shower night Light shower night Light shower night Light shower day Light shower day Light shower day Light shower day Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Mist Mist Mist Mist Fog
    Chance of precipitation
    60%
    60%
    90%
    90%
    70%
    80%
    80%
    80%
    70%
    80%
    70%
    50%
    30%
    30%
    40%
    50%
    40%
    20%
    20%
    40%
    50%
    20%
    20%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WNW
    16
    WNW
    16
    WNW
    16
    WNW
    16
    WNW
    16
    WNW
    16
    WNW
    16
    WNW
    16
    WNW
    15
    WNW
    16
    WNW
    15
    WNW
    16
    W
    16
    W
    17
    W
    17
    W
    17
    W
    17
    WSW
    17
    WSW
    17
    WSW
    19
    SW
    20
    SW
    21
    SW
    23
    SW
    24
    Wind gust (mph)
    19
    20
    21
    21
    21
    20
    19
    20
    20
    21
    21
    22
    22
    23
    23
    23
    23
    22
    22
    23
    24
    25
    26
    28
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    P
    M
    M
    M
    M
    M
    M
    M
    M
    P
    P
    P
    P
    Humidity
    94%
    95%
    96%
    96%
    96%
    96%
    96%
    96%
    95%
    93%
    92%
    91%
    87%
    84%
    81%
    83%
    83%
    83%
    84%
    87%
    91%
    91%
    91%
    91%
    UV - - - - - - 1 1 1 1 2 3 3 3 3 2 1 1 1 1 - - - -
    Thursday (17 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 Heavy rain Heavy rain Heavy rain Heavy shower night Light shower night Mist Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Light shower day Light shower day Light shower day Light shower day Light shower day Light shower night Light shower night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    70%
    90%
    ≥95%
    ≥95%
    90%
    60%
    30%
    10%
    10%
    10%
    10%
    20%
    20%
    30%
    50%
    70%
    70%
    70%
    70%
    60%
    50%
    50%
    20%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SW
    24
    WSW
    28
    WSW
    28
    WSW
    26
    WSW
    25
    W
    22
    W
    19
    W
    17
    W
    17
    W
    18
    W
    19
    W
    18
    W
    19
    W
    21
    W
    21
    W
    21
    W
    21
    W
    19
    W
    18
    W
    18
    W
    17
    W
    17
    W
    17
    W
    16
    Wind gust (mph)
    29
    30
    30
    30
    30
    27
    22
    21
    22
    26
    28
    28
    30
    30
    30
    30
    29
    28
    26
    23
    23
    22
    22
    20
    Visibility (description)
    P
    P
    VP
    VP
    VP
    VP
    VP
    P
    M
    G
    G
    M
    G
    G
    G
    G
    M
    G
    M
    M
    M
    M
    M
    G
    Humidity
    93%
    94%
    97%
    98%
    99%
    97%
    95%
    92%
    90%
    86%
    84%
    82%
    81%
    79%
    77%
    77%
    82%
    83%
    84%
    86%
    87%
    86%
    87%
    86%
    UV - - - - - - 1 1 1 1 2 3 3 4 3 2 1 1 1 1 - - - -
    Friday (18 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 Partly cloudy night Partly cloudy night Mist Mist Mist Fog Mist Mist Mist Sunny intervals Cloudy Cloudy Mist Mist Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light shower night Light shower night
    Chance of precipitation
    <5%
    <5%
    10%
    10%
    20%
    10%
    10%
    10%
    10%
    20%
    20%
    20%
    20%
    40%
    50%
    60%
    80%
    80%
    80%
    80%
    70%
    70%
    70%
    60%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    16
    W
    16
    W
    16
    W
    16
    W
    17
    WSW
    17
    WSW
    17
    WSW
    18
    WSW
    19
    WSW
    19
    WSW
    21
    WSW
    24
    SW
    26
    SW
    26
    SW
    26
    SW
    26
    SW
    29
    SW
    29
    SW
    28
    SW
    28
    SW
    28
    SW
    28
    WSW
    29
    WSW
    29
    Wind gust (mph)
    20
    20
    21
    21
    21
    21
    20
    20
    23
    25
    26
    30
    31
    32
    34
    35
    34
    34
    33
    33
    32
    32
    31
    30
    Visibility (description)
    M
    M
    M
    P
    P
    P
    VP
    P
    P
    M
    M
    M
    M
    M
    P
    P
    P
    P
    VP
    VP
    VP
    VP
    VP
    VP
    Humidity
    86%
    86%
    87%
    90%
    91%
    91%
    92%
    91%
    90%
    88%
    85%
    83%
    82%
    83%
    83%
    89%
    90%
    96%
    98%
    99%
    99%
    99%
    99%
    99%
    UV - - - - - - 1 1 1 1 2 2 2 2 1 1 1 1 1 1 - - - -
    Saturday (19 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 Mist Mist Mist Mist Mist Mist Mist Fog Fog Fog Fog Fog Fog Fog
    Chance of precipitation
    50%
    50%
    40%
    40%
    40%
    30%
    30%
    30%
    20%
    20%
    10%
    20%
    10%
    20%
    20%
    20%
    20%
    30%
    40%
    40%
    40%
    40%
    30%
    30%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WSW
    28
    WSW
    26
    WSW
    25
    WSW
    25
    WSW
    25
    WSW
    24
    WSW
    24
    WSW
    23
    WSW
    25
    WSW
    25
    WSW
    26
    WSW
    28
    WSW
    26
    WSW
    26
    WSW
    26
    WSW
    26
    WSW
    25
    WSW
    25
    WSW
    24
    WSW
    22
    WSW
    21
    WSW
    21
    WSW
    22
    WSW
    22
    Wind gust (mph)
    29
    28
    26
    26
    26
    26
    25
    24
    25
    28
    29
    30
    31
    32
    32
    31
    31
    29
    28
    27
    26
    27
    26
    25
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    P
    P
    VP
    P
    P
    P
    P
    P
    P
    P
    P
    P
    VP
    VP
    VP
    VP
    VP
    Humidity
    98%
    98%
    97%
    97%
    97%
    96%
    96%
    95%
    95%
    93%
    90%
    89%
    87%
    86%
    86%
    86%
    86%
    88%
    91%
    93%
    94%
    95%
    95%
    94%
    UV - - - - - - 1 1 1 1 2 2 3 3 3 2 1 1 1 1 - - - -
    Sunday (20 September 2026)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Fog Mist Mist Mist Mist Mist Fog Fog Fog
    Chance of precipitation
    20%
    30%
    20%
    20%
    20%
    30%
    30%
    30%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WSW
    21
    WSW
    22
    W
    18
    W
    17
    W
    19
    WSW
    19
    WSW
    19
    WSW
    17
    SW
    16
    Wind gust (mph)
    25
    25
    24
    26
    29
    29
    26
    19
    18
    Visibility (description)
    VP
    VP
    P
    P
    P
    M
    P
    VP
    VP
    Humidity
    94%
    93%
    93%
    94%
    84%
    77%
    82%
    92%
    97%
    UV - - - 1 2 3 1 1 -
    Monday (21 September 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Fog Fog Fog Fog Fog Fog Fog Fog
    Chance of precipitation
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SW
    16
    SW
    15
    SW
    15
    SW
    17
    SW
    18
    SW
    16
    SW
    15
    SW
    14
    Wind gust (mph)
    18
    16
    20
    22
    23
    21
    17
    16
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    Humidity
    97%
    97%
    97%
    95%
    92%
    92%
    96%
    98%
    UV - - 1 2 2 1 1 -

    UK video forecast

    Aran Fawddwy weather map

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    Wales weather forecast

    Headline:

    Turning much fresher with bright spells and showers.

    Today:

    Cloudy start, with outbreaks of rain sinking south across Wales. Turning drier and brighter by mid-morning with sunny spells and isolated showers, mostly in the west. Staying warm but much less humid than in recent days. Maximum temperature 19 °C.

    Tonight:

    Showers continuing in places within the northwesterly breeze, gusty around coastal areas. Turning cloudier overnight, feeling cooler than previous nights. Minimum temperature 9 °C.

    Wednesday:

    Winds ease through the day as they shift from a northwesterly to a wester. Showers continuing across the region, however, these will be lighter. Temperatures around average for September. Maximum temperature 17 °C.

    Outlook for Thursday to Saturday:

    A wet and windy day for Thursday but things starting to turn more settled again by Friday. Westerly winds develop with the odd light shower. Temperature near normal.

    Updated:

    UK long range weather forecast