Rhymney (Caerphilly) weather

Forecast days

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

    7 day forecast for Rhymney

    Today (16 September 2026)
    Time
    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 day Light shower day Light shower day Light shower day Light shower day Sunny intervals Cloudy Cloudy Light rain Light rain Overcast Light shower night
    Chance of precipitation
    90%
    90%
    80%
    60%
    50%
    30%
    10%
    20%
    60%
    70%
    40%
    70%
    Temperature
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    12°
    12°
    Feels like temperature (°C)
    12°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    11°
    11°
    10°
    10°
    Wind direction and speed
    W
    9
    W
    9
    W
    10
    W
    10
    W
    9
    W
    9
    W
    9
    WSW
    9
    WSW
    9
    WSW
    10
    WSW
    11
    WSW
    11
    Wind gust (mph)
    19
    21
    21
    20
    20
    19
    18
    17
    17
    19
    21
    21
    Visibility
    G
    G
    VG
    VG
    VG
    G
    VG
    VG
    VG
    G
    G
    G
    Humidity
    88%
    84%
    83%
    84%
    81%
    81%
    80%
    82%
    85%
    88%
    88%
    87%
    UV 4 4 4 3 2 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 shower night Light shower night Light rain Heavy rain Heavy rain Heavy shower night Light shower 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 Partly cloudy night Clear night Clear night Clear night Clear night
    Chance of precipitation
    90%
    80%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    70%
    30%
    <5%
    <5%
    10%
    10%
    <5%
    10%
    10%
    10%
    30%
    40%
    40%
    40%
    30%
    10%
    10%
    <5%
    Temperature (°C)
    12°
    12°
    13°
    13°
    13°
    14°
    14°
    13°
    12°
    12°
    13°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    14°
    13°
    12°
    12°
    11°
    11°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    11°
    12°
    12°
    11°
    10°
    10°
    11°
    11°
    12°
    12°
    13°
    12°
    12°
    12°
    12°
    11°
    10°
    10°
    Wind direction and speed (mph)
    WSW
    11
    WSW
    11
    WSW
    11
    WSW
    13
    WSW
    11
    WSW
    11
    W
    11
    W
    11
    WNW
    11
    W
    11
    W
    13
    W
    14
    W
    14
    W
    14
    W
    14
    W
    15
    W
    15
    W
    14
    W
    11
    W
    11
    W
    10
    W
    8
    W
    8
    W
    7
    Wind gust (mph)
    22
    24
    25
    26
    27
    26
    24
    20
    21
    23
    25
    26
    27
    27
    28
    27
    26
    25
    23
    20
    18
    17
    16
    15
    Visibility (description)
    G
    G
    M
    M
    P
    P
    M
    M
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    Humidity
    90%
    92%
    93%
    94%
    97%
    98%
    96%
    94%
    91%
    86%
    80%
    74%
    66%
    64%
    63%
    64%
    65%
    66%
    74%
    79%
    85%
    88%
    89%
    90%
    UV - - - - - - 1 1 1 2 3 3 4 3 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 Clear night Clear night Clear night Clear night Clear night Clear night Partly cloudy night Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    30%
    50%
    60%
    60%
    70%
    80%
    80%
    80%
    80%
    90%
    90%
    80%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    12°
    13°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    15°
    15°
    15°
    15°
    Feels like temperature (°C)
    10°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    13°
    13°
    Wind direction and speed (mph)
    W
    7
    W
    8
    W
    7
    W
    7
    W
    7
    W
    7
    W
    7
    W
    6
    W
    6
    WSW
    7
    WSW
    10
    WSW
    11
    WSW
    14
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    15
    WSW
    14
    WSW
    15
    WSW
    15
    WSW
    16
    Wind gust (mph)
    15
    15
    15
    15
    14
    13
    13
    12
    14
    17
    22
    25
    28
    30
    31
    31
    31
    31
    30
    29
    29
    29
    29
    30
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    G
    VG
    VG
    G
    G
    P
    P
    P
    P
    P
    P
    P
    P
    Humidity
    91%
    91%
    91%
    91%
    91%
    92%
    92%
    92%
    89%
    85%
    81%
    78%
    75%
    76%
    79%
    81%
    85%
    90%
    95%
    97%
    98%
    98%
    98%
    98%
    UV - - - - - - 1 1 1 1 2 2 2 2 2 2 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 Light shower night Light shower night Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light shower day Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Mist Mist
    Chance of precipitation
    70%
    60%
    70%
    70%
    70%
    80%
    70%
    70%
    70%
    80%
    70%
    70%
    60%
    50%
    50%
    60%
    60%
    50%
    60%
    50%
    50%
    50%
    50%
    40%
    Temperature (°C)
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    16°
    Feels like temperature (°C)
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    15°
    14°
    14°
    14°
    Wind direction and speed (mph)
    WSW
    16
    WSW
    15
    WSW
    16
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    14
    WSW
    14
    WSW
    15
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    15
    WSW
    15
    WSW
    14
    WSW
    14
    WSW
    13
    WSW
    13
    WSW
    11
    WSW
    13
    Wind gust (mph)
    29
    28
    28
    28
    28
    28
    27
    26
    27
    28
    30
    30
    31
    31
    30
    29
    28
    26
    25
    25
    24
    24
    25
    23
    Visibility (description)
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    M
    M
    P
    M
    P
    P
    P
    P
    P
    P
    Humidity
    97%
    96%
    96%
    96%
    96%
    97%
    98%
    98%
    98%
    98%
    97%
    97%
    97%
    96%
    95%
    96%
    97%
    95%
    96%
    97%
    98%
    98%
    98%
    97%
    UV - - - - - - 1 1 1 1 1 2 2 3 2 2 1 1 1 1 - - - -
    Sunday (20 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 Mist Mist Mist Mist Mist Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Mist Mist Mist Mist Mist
    Chance of precipitation
    40%
    40%
    40%
    40%
    40%
    30%
    30%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    16°
    16°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    15°
    15°
    17°
    17°
    18°
    17°
    17°
    18°
    18°
    17°
    16°
    15°
    15°
    15°
    15°
    Feels like temperature (°C)
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    14°
    14°
    14°
    15°
    16°
    16°
    16°
    16°
    17°
    16°
    16°
    16°
    14°
    14°
    14°
    15°
    Wind direction and speed (mph)
    WSW
    11
    WSW
    11
    WSW
    11
    WSW
    10
    WSW
    10
    WSW
    9
    W
    9
    W
    8
    WSW
    7
    W
    8
    W
    8
    W
    9
    W
    9
    W
    10
    W
    10
    W
    10
    W
    9
    W
    9
    WSW
    8
    WSW
    7
    WSW
    7
    WSW
    6
    WSW
    6
    WSW
    5
    Wind gust (mph)
    23
    23
    21
    21
    19
    17
    15
    14
    16
    17
    17
    18
    19
    20
    20
    19
    18
    17
    15
    13
    13
    14
    13
    13
    Visibility (description)
    P
    P
    P
    P
    P
    P
    P
    P
    P
    M
    M
    M
    G
    G
    G
    G
    G
    M
    M
    M
    M
    P
    M
    P
    Humidity
    96%
    96%
    97%
    97%
    97%
    96%
    96%
    96%
    95%
    91%
    86%
    79%
    75%
    71%
    71%
    73%
    75%
    77%
    82%
    88%
    92%
    93%
    94%
    95%
    UV - - - - - - 1 1 1 1 2 3 3 3 3 2 1 1 1 1 - - - -
    Monday (21 September 2026)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Mist Mist Mist Overcast Overcast Cloudy Cloudy Cloudy Mist
    Chance of precipitation
    10%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    10%
    Temperature (°C)
    15°
    14°
    15°
    14°
    15°
    18°
    18°
    16°
    14°
    Feels like temperature (°C)
    14°
    14°
    14°
    14°
    15°
    17°
    18°
    16°
    14°
    Wind direction and speed (mph)
    WSW
    6
    WSW
    6
    WSW
    5
    WSW
    3
    W
    6
    WSW
    8
    WSW
    8
    W
    5
    WSW
    3
    Wind gust (mph)
    13
    13
    12
    12
    17
    17
    17
    10
    8
    Visibility (description)
    P
    P
    P
    P
    G
    G
    G
    G
    G
    Humidity
    95%
    96%
    96%
    97%
    92%
    84%
    82%
    90%
    95%
    UV - - - 1 2 3 1 1 -
    Tuesday (22 September 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Mist Mist Overcast Cloudy Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    10%
    20%
    20%
    20%
    10%
    10%
    <5%
    Temperature (°C)
    13°
    13°
    13°
    16°
    18°
    19°
    16°
    13°
    Feels like temperature (°C)
    13°
    13°
    13°
    16°
    18°
    19°
    16°
    13°
    Wind direction and speed (mph)
    WSW
    3
    WSW
    2
    WSW
    3
    SW
    4
    WSW
    5
    WSW
    5
    WNW
    3
    NW
    3
    Wind gust (mph)
    8
    7
    11
    14
    14
    13
    9
    7
    Visibility (description)
    P
    P
    P
    G
    G
    G
    G
    G
    Humidity
    98%
    98%
    98%
    92%
    84%
    77%
    86%
    92%
    UV - - 1 2 3 1 1 -

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    Wales weather forecast

    Headline:

    Feeling fresher with sunshine and showers.

    Today:

    A day of sunny spells and scattered showers. Sunshine turning hazier later in the afternoon with outbreaks of rain arriving from the west by the evening. Temperatures around average and winds falling lighter. Maximum temperature 17 °C.

    Tonight:

    Cloud thickens and lowers from the west with outbreaks of rain following, locally heavy through the early hours. Turning breezy and remaining mild. Minimum temperature 13 °C.

    Thursday:

    Early cloud and rain clear to the southeast with a mostly dry day with plenty of sunny spells then following. The odd shower possible towards northern and western coasts. Maximum temperature 18 °C.

    Outlook for Friday to Sunday:

    Further wet weather arriving by the afternoon on Friday. Mostly cloudy on Saturday and Sunday with patchy rain and stronger winds. Brighter to the east of high ground

    Updated:

    UK long range weather forecast