Dyffryn Cellwen (Neath Port Talbot) weather

Forecast days

Heavy rain.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution

    7 day forecast for Dyffryn Cellwen

    Today (16 May 2026)
    Time
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Heavy rain Light rain Light rain Heavy rain Heavy rain Light shower night Cloudy Partly cloudy night
    Chance of precipitation
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    90%
    70%
    30%
    30%
    Temperature
    11°
    11°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed
    WSW
    9
    WSW
    9
    WSW
    9
    WSW
    8
    WSW
    7
    WSW
    6
    WSW
    6
    WSW
    5
    Wind gust (mph)
    22
    22
    21
    19
    18
    15
    14
    16
    Visibility
    M
    G
    G
    M
    P
    M
    M
    M
    Humidity
    88%
    86%
    85%
    91%
    95%
    95%
    93%
    94%
    UV 2 1 1 1 1 1 - -
    Sunday (17 May 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 Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Light rain Light rain Light shower day Cloudy Cloudy Cloudy Light shower day Light shower day Light shower day Light shower day Light rain Light rain Heavy rain Heavy rain
    Chance of precipitation
    40%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    60%
    60%
    50%
    50%
    30%
    50%
    70%
    70%
    80%
    90%
    90%
    80%
    90%
    90%
    Temperature (°C)
    10°
    10°
    11°
    11°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    6
    W
    6
    W
    6
    W
    6
    WSW
    5
    WSW
    5
    WSW
    5
    WSW
    5
    W
    6
    W
    8
    W
    9
    W
    9
    WSW
    9
    WSW
    10
    WSW
    11
    WSW
    11
    WSW
    12
    WSW
    12
    WSW
    11
    WSW
    10
    WSW
    9
    WSW
    8
    WSW
    7
    WSW
    7
    Wind gust (mph)
    16
    16
    16
    15
    14
    13
    13
    15
    18
    20
    21
    23
    24
    25
    27
    28
    28
    27
    26
    23
    21
    20
    20
    20
    Visibility (description)
    M
    G
    G
    G
    G
    G
    M
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    Humidity
    93%
    92%
    91%
    91%
    93%
    94%
    94%
    90%
    84%
    73%
    65%
    65%
    63%
    57%
    57%
    57%
    61%
    66%
    72%
    80%
    83%
    88%
    91%
    92%
    UV - - - - - 1 1 1 1 2 3 3 2 4 3 2 2 1 1 1 1 1 - -
    Monday (18 May 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 rain Heavy rain Light shower day Light shower day Light shower day Light shower day Light shower day Light rain Light rain Light rain Light shower day Overcast Overcast Overcast Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain
    Chance of precipitation
    ≥95%
    90%
    90%
    90%
    90%
    80%
    70%
    50%
    50%
    60%
    60%
    60%
    60%
    60%
    50%
    50%
    50%
    50%
    60%
    70%
    80%
    80%
    90%
    ≥95%
    Temperature (°C)
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WSW
    7
    WSW
    7
    WSW
    6
    WSW
    6
    WSW
    6
    WSW
    6
    WSW
    5
    WSW
    4
    WSW
    5
    WSW
    5
    WSW
    6
    SW
    7
    SW
    7
    SW
    8
    SW
    9
    SW
    9
    SSW
    8
    SSW
    8
    S
    8
    S
    7
    SSE
    7
    SSE
    8
    SSE
    9
    SSE
    9
    Wind gust (mph)
    19
    20
    19
    17
    16
    14
    12
    12
    13
    15
    16
    18
    20
    21
    22
    21
    20
    19
    19
    19
    21
    22
    25
    26
    Visibility (description)
    G
    M
    M
    M
    M
    M
    M
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    Humidity
    92%
    92%
    94%
    95%
    94%
    95%
    95%
    92%
    87%
    81%
    80%
    82%
    78%
    76%
    76%
    75%
    74%
    75%
    81%
    87%
    90%
    91%
    93%
    94%
    UV - - - - - 1 1 1 2 2 3 4 3 3 4 3 2 1 1 1 1 1 - -
    Tuesday (19 May 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 rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light rain Light rain Light rain Light shower day Overcast Overcast Cloudy Cloudy Cloudy Overcast Overcast Overcast Overcast
    Chance of precipitation
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    90%
    90%
    80%
    90%
    80%
    80%
    70%
    80%
    70%
    60%
    50%
    40%
    30%
    20%
    20%
    20%
    30%
    20%
    30%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    11°
    10°
    10°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    13°
    13°
    13°
    12°
    12°
    12°
    11°
    11°
    11°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    11°
    10°
    10°
    10°
    10°
    10°
    Wind direction and speed (mph)
    SSE
    10
    SSE
    10
    SSE
    10
    SSE
    10
    SSE
    10
    S
    11
    S
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    12
    SW
    12
    SW
    12
    SW
    12
    SW
    12
    SW
    12
    SW
    12
    SW
    12
    SW
    12
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    Wind gust (mph)
    26
    27
    26
    27
    27
    26
    26
    26
    25
    25
    26
    26
    28
    28
    28
    28
    29
    28
    27
    26
    24
    24
    23
    22
    Visibility (description)
    P
    M
    M
    P
    P
    VP
    VP
    VP
    VP
    P
    P
    P
    M
    M
    M
    M
    M
    M
    G
    G
    G
    M
    M
    M
    Humidity
    94%
    95%
    95%
    96%
    96%
    97%
    97%
    96%
    96%
    96%
    96%
    93%
    92%
    89%
    89%
    86%
    86%
    86%
    86%
    87%
    89%
    92%
    93%
    93%
    UV - - - - - 1 1 1 1 1 2 3 3 3 3 3 2 1 1 1 1 1 - -
    Wednesday (20 May 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 Overcast Overcast Light rain Light rain Light rain Light rain Light rain Light rain Light rain Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    40%
    50%
    60%
    50%
    60%
    50%
    50%
    60%
    50%
    40%
    30%
    30%
    30%
    20%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    11°
    11°
    12°
    12°
    12°
    13°
    13°
    14°
    14°
    14°
    14°
    13°
    13°
    12°
    12°
    11°
    Feels like temperature (°C)
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    Wind direction and speed (mph)
    SW
    10
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    12
    SW
    12
    SW
    11
    SW
    11
    SW
    10
    SW
    9
    SW
    9
    SW
    8
    SW
    7
    SSW
    6
    S
    5
    S
    5
    Wind gust (mph)
    22
    23
    24
    25
    25
    25
    25
    25
    24
    25
    25
    27
    27
    26
    25
    25
    23
    21
    20
    17
    13
    12
    12
    12
    Visibility (description)
    P
    P
    P
    P
    VP
    VP
    P
    P
    P
    P
    M
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    M
    M
    Humidity
    94%
    95%
    96%
    97%
    97%
    98%
    97%
    97%
    97%
    95%
    93%
    91%
    87%
    85%
    83%
    77%
    79%
    78%
    79%
    83%
    86%
    91%
    93%
    94%
    UV - - - - - 1 1 1 1 2 3 3 5 4 4 3 2 2 1 1 1 1 - -
    Thursday (21 May 2026)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Clear night
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    Temperature (°C)
    11°
    11°
    11°
    11°
    15°
    18°
    19°
    18°
    14°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    13°
    16°
    17°
    17°
    14°
    Wind direction and speed (mph)
    SSE
    5
    SSE
    5
    SE
    6
    SE
    6
    S
    9
    S
    10
    S
    11
    S
    9
    SSE
    6
    Wind gust (mph)
    13
    15
    16
    20
    24
    24
    23
    18
    14
    Visibility (description)
    M
    M
    P
    M
    G
    VG
    VG
    VG
    G
    Humidity
    94%
    94%
    95%
    92%
    78%
    65%
    59%
    64%
    79%
    UV - - - 1 4 5 3 1 -
    Friday (22 May 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Sunny intervals Sunny day Sunny day Sunny intervals Sunny day Sunny day Partly cloudy night
    Chance of precipitation
    <5%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    Temperature (°C)
    13°
    12°
    13°
    17°
    20°
    20°
    19°
    14°
    Feels like temperature (°C)
    12°
    11°
    12°
    16°
    18°
    18°
    17°
    14°
    Wind direction and speed (mph)
    SSE
    6
    SSE
    5
    SSE
    5
    S
    9
    S
    11
    S
    11
    S
    9
    S
    6
    Wind gust (mph)
    13
    14
    20
    24
    25
    24
    19
    15
    Visibility (description)
    G
    G
    M
    G
    VG
    VG
    VG
    VG
    Humidity
    85%
    91%
    87%
    75%
    64%
    60%
    70%
    87%
    UV - - 1 4 6 3 1 -

    UK video forecast

    Dyffryn Cellwen weather map

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    Wales weather forecast

    Headline:

    Rain clearing. Sunshine and showers on Sunday.

    This Evening and Tonight:

    A damp end to the day with outbreaks of rain soon clearing eastwards this evening. Turning drier overnight with a mixture of clear spells and isolated showers. Milder than last night and staying frost-free. Minimum temperature 5 °C.

    Sunday:

    Bright or sunny spells and isolated showers until mid to late afternoon, then the showers become more widespread, frequent and often heavy, with a chance of thunder. Maximum temperature 15 °C.

    Outlook for Monday to Wednesday:

    A chilly start to Monday with sunshine and showers. Becoming wet and windy overnight with rain followed by showers on Tuesday and Wednesday. Temperatures gradually on the rise.

    Updated:

    UK long range weather forecast

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