Dowlais (Merthyr Tydfil) weather

Forecast days

Overcast changing to heavy rain by late morning.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution

    7 day forecast for Dowlais

    Today (15 April 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 Overcast Overcast Light rain Heavy rain Heavy rain Heavy rain Heavy shower day Light shower day Light shower day Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Cloudy Overcast
    Chance of precipitation
    20%
    20%
    60%
    ≥95%
    ≥95%
    ≥95%
    90%
    70%
    70%
    40%
    10%
    <5%
    <5%
    <5%
    10%
    20%
    Temperature
    10°
    11°
    11°
    12°
    12°
    11°
    11°
    12°
    12°
    11°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed
    S
    11
    S
    11
    S
    12
    S
    13
    S
    13
    SSW
    13
    SW
    12
    SW
    13
    SW
    15
    SW
    15
    SW
    15
    SW
    13
    SW
    13
    SW
    12
    SW
    13
    SW
    13
    Wind gust (mph)
    26
    28
    32
    34
    33
    31
    32
    36
    36
    35
    32
    30
    27
    26
    27
    27
    Visibility
    P
    P
    M
    M
    P
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    97%
    96%
    92%
    91%
    95%
    92%
    87%
    83%
    76%
    77%
    80%
    83%
    85%
    86%
    87%
    87%
    UV 1 1 2 2 1 1 2 3 2 1 1 1 1 - - -
    Thursday (16 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 Overcast Light shower night Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain
    Chance of precipitation
    40%
    60%
    40%
    40%
    40%
    30%
    20%
    30%
    30%
    20%
    20%
    20%
    20%
    10%
    10%
    <5%
    10%
    20%
    40%
    60%
    70%
    80%
    80%
    70%
    Temperature (°C)
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    10°
    Wind direction and speed (mph)
    SW
    13
    SW
    13
    SW
    13
    SW
    12
    SW
    12
    SW
    11
    SW
    10
    SW
    10
    SW
    10
    WSW
    10
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    10
    WSW
    10
    WSW
    9
    SW
    7
    SW
    6
    SSW
    5
    SSW
    5
    S
    5
    Wind gust (mph)
    28
    29
    29
    28
    26
    25
    23
    23
    23
    24
    25
    26
    26
    26
    25
    24
    22
    20
    18
    15
    13
    12
    12
    13
    Visibility (description)
    G
    G
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    M
    M
    Humidity
    88%
    90%
    91%
    91%
    91%
    90%
    91%
    91%
    88%
    85%
    82%
    75%
    72%
    68%
    66%
    65%
    65%
    68%
    72%
    79%
    86%
    91%
    95%
    96%
    UV - - - - - - 1 1 1 1 2 3 4 4 3 2 2 1 1 1 1 - - -
    Friday (17 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 Light rain Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Light shower day Light shower day Light rain Light rain Light rain Light rain Light rain Overcast Overcast Cloudy Cloudy Cloudy
    Chance of precipitation
    50%
    40%
    30%
    30%
    30%
    40%
    30%
    30%
    30%
    30%
    30%
    40%
    50%
    60%
    60%
    70%
    70%
    70%
    60%
    50%
    40%
    40%
    40%
    30%
    Temperature (°C)
    10°
    11°
    11°
    12°
    13°
    13°
    13°
    12°
    12°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    10°
    10°
    11°
    11°
    10°
    10°
    Wind direction and speed (mph)
    S
    6
    S
    7
    S
    7
    S
    7
    S
    7
    S
    8
    S
    8
    S
    8
    S
    9
    S
    9
    S
    9
    S
    10
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    10
    SSW
    10
    SW
    10
    SW
    9
    SW
    9
    SW
    8
    SW
    8
    SW
    7
    WSW
    7
    Wind gust (mph)
    15
    15
    15
    15
    17
    17
    18
    20
    21
    22
    23
    24
    25
    26
    26
    25
    24
    23
    21
    19
    19
    17
    16
    16
    Visibility (description)
    M
    M
    M
    M
    M
    P
    P
    P
    M
    M
    G
    G
    G
    M
    M
    G
    M
    M
    M
    G
    G
    M
    G
    G
    Humidity
    96%
    97%
    97%
    97%
    98%
    98%
    98%
    98%
    96%
    94%
    92%
    88%
    85%
    83%
    82%
    83%
    90%
    91%
    91%
    91%
    92%
    94%
    95%
    94%
    UV - - - - - - 1 1 1 1 1 2 2 2 2 2 1 1 1 1 1 - - -
    Saturday (18 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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night
    Chance of precipitation
    30%
    30%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    10°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    Feels like temperature (°C)
    10°
    10°
    11°
    11°
    11°
    11°
    10°
    10°
    Wind direction and speed (mph)
    WSW
    7
    WSW
    6
    WSW
    6
    W
    6
    W
    5
    W
    5
    W
    4
    WNW
    5
    WNW
    5
    WNW
    6
    WNW
    7
    WNW
    7
    WNW
    7
    NW
    7
    NW
    7
    NW
    7
    NW
    7
    NW
    7
    NW
    7
    NNW
    6
    NNW
    6
    NNW
    5
    N
    5
    N
    5
    Wind gust (mph)
    15
    15
    13
    13
    11
    11
    11
    12
    15
    16
    17
    18
    18
    19
    19
    19
    19
    20
    19
    16
    13
    13
    12
    12
    Visibility (description)
    G
    G
    G
    G
    G
    G
    M
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    VG
    VG
    VG
    VG
    Humidity
    94%
    94%
    94%
    93%
    95%
    95%
    96%
    94%
    89%
    80%
    71%
    63%
    57%
    54%
    50%
    47%
    45%
    45%
    46%
    54%
    63%
    69%
    73%
    76%
    UV - - - - - - 1 1 1 2 3 3 4 3 4 3 2 1 1 1 1 - - -
    Sunday (19 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 Sunny day Sunny day Sunny day Sunny day Sunny day 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
    <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)
    11°
    11°
    12°
    13°
    13°
    13°
    13°
    12°
    12°
    10°
    Feels like temperature (°C)
    10°
    11°
    11°
    12°
    12°
    11°
    11°
    10°
    Wind direction and speed (mph)
    N
    5
    N
    6
    NNE
    6
    NNE
    6
    NNE
    6
    NNE
    6
    NNE
    6
    NNE
    6
    NE
    6
    NE
    7
    ENE
    7
    ENE
    6
    ENE
    6
    ENE
    6
    E
    6
    E
    6
    E
    6
    E
    6
    ESE
    6
    E
    6
    E
    4
    ENE
    4
    ENE
    4
    ENE
    4
    Wind gust (mph)
    11
    11
    10
    10
    11
    11
    11
    11
    16
    17
    19
    18
    17
    17
    17
    16
    16
    16
    15
    13
    12
    13
    13
    13
    Visibility (description)
    G
    G
    VG
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    78%
    79%
    79%
    80%
    80%
    80%
    81%
    80%
    73%
    65%
    60%
    56%
    53%
    47%
    43%
    42%
    42%
    43%
    47%
    55%
    64%
    68%
    69%
    72%
    UV - - - - - - 1 1 1 2 3 4 4 4 4 3 2 1 1 1 1 - - -
    Monday (20 April 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 Partly cloudy night Partly cloudy night Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    10%
    20%
    20%
    20%
    20%
    Temperature (°C)
    11°
    11°
    10°
    Feels like temperature (°C)
    10°
    Wind direction and speed (mph)
    E
    4
    ENE
    4
    E
    3
    E
    3
    ESE
    7
    ESE
    9
    SE
    8
    SE
    7
    SE
    6
    Wind gust (mph)
    12
    10
    9
    12
    24
    24
    23
    20
    19
    Visibility (description)
    G
    G
    G
    M
    G
    G
    G
    VG
    G
    Humidity
    73%
    77%
    83%
    85%
    69%
    58%
    58%
    64%
    76%
    UV - - - 1 3 4 2 1 -
    Tuesday (21 April 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    10°
    11°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    ESE
    6
    ESE
    6
    ESE
    5
    ESE
    9
    ESE
    9
    E
    7
    ESE
    6
    E
    5
    Wind gust (mph)
    18
    18
    21
    25
    24
    21
    19
    18
    Visibility (description)
    M
    M
    G
    G
    VG
    VG
    G
    G
    Humidity
    83%
    88%
    89%
    79%
    67%
    61%
    66%
    82%
    UV - - 1 2 3 2 1 -

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    Wales weather forecast

    Headline:

    Changeable this week. Turning drier through the weekend.

    Today:

    A grey start across Wales with outbreaks of drizzle. A spells of heavy rain with blustery winds will move through in the afternoon, with brighter skies following and a few heavy showers. Maximum temperature 15 °C.

    Tonight:

    Breezy tonight with clear spells and occasional showers moving through, which could be heavy at times. Staying mild with the brisk winds. Minimum temperature 7 °C.

    Thursday:

    Sunny spells and scattered showers on Thursday. Turning increasingly cloudy through the afternoon. Feeling pleasant in any brighter spells. Maximum temperature 17 °C.

    Outlook for Friday to Sunday:

    A spell of rain will move through on Friday. Scattered showers on Saturday. Most likely turning dry, warm and sunny on Sunday.

    Updated:

    UK long range weather forecast

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