Llanishen (Cardiff) weather

Forecast days

Light rain changing to sunny in the afternoon.
Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution
No pollen data.

    7 day forecast for Llanishen

    Today (9 October 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 Light rain Heavy rain Heavy rain Heavy rain Heavy shower day Light shower day Sunny day Sunny intervals Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    90%
    30%
    <5%
    <5%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    Temperature
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    16°
    15°
    15°
    14°
    13°
    12°
    12°
    12°
    Feels like temperature (°C)
    13°
    13°
    13°
    14°
    14°
    14°
    15°
    14°
    13°
    13°
    12°
    11°
    10°
    10°
    9°
    9°
    Wind direction and speed
    WSW
    16
    WSW
    16
    WSW
    17
    WSW
    17
    WSW
    18
    W
    18
    W
    16
    WNW
    15
    WNW
    14
    W
    13
    W
    13
    W
    13
    W
    13
    W
    13
    W
    11
    W
    11
    Wind gust (mph)
    38
    38
    37
    38
    38
    39
    40
    38
    35
    32
    32
    33
    33
    34
    33
    33
    Visibility
    P
    P
    P
    P
    P
    M
    G
    G
    VG
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    94%
    93%
    96%
    96%
    96%
    95%
    85%
    68%
    58%
    64%
    66%
    70%
    71%
    68%
    66%
    68%
    UV 1 1 1 1 2 2 2 2 1 1 1 - - - - -
    Saturday (10 October 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Clear night Clear night 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 Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    10%
    20%
    10%
    20%
    10%
    20%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    10%
    20%
    30%
    30%
    30%
    30%
    30%
    30%
    10%
    Temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    11°
    12°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    12°
    12°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    9°
    8°
    9°
    9°
    9°
    9°
    9°
    8°
    8°
    9°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    11°
    10°
    10°
    9°
    9°
    9°
    8°
    Wind direction and speed (mph)
    W
    11
    W
    11
    W
    11
    W
    11
    W
    11
    W
    10
    W
    9
    W
    9
    W
    10
    W
    10
    W
    11
    W
    13
    W
    13
    WNW
    13
    WNW
    13
    W
    13
    W
    11
    W
    11
    W
    10
    W
    9
    W
    8
    W
    8
    W
    7
    W
    6
    Wind gust (mph)
    32
    32
    32
    31
    31
    30
    30
    30
    29
    30
    31
    31
    31
    31
    31
    30
    29
    28
    26
    25
    24
    23
    22
    21
    Visibility (description)
    G
    VG
    VG
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    Humidity
    72%
    74%
    75%
    75%
    75%
    76%
    76%
    77%
    77%
    75%
    66%
    61%
    57%
    56%
    55%
    55%
    56%
    59%
    65%
    70%
    75%
    76%
    79%
    81%
    UV - - - - - - - 1 1 1 2 2 3 3 2 2 1 1 1 - - - - -
    Sunday (11 October 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast Light rain Light rain Light rain
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    30%
    30%
    40%
    40%
    50%
    60%
    70%
    70%
    Temperature (°C)
    9°
    8°
    8°
    8°
    7°
    7°
    7°
    7°
    7°
    9°
    10°
    12°
    13°
    14°
    15°
    14°
    15°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    Feels like temperature (°C)
    7°
    7°
    7°
    7°
    7°
    7°
    6°
    7°
    7°
    8°
    10°
    12°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    13°
    Wind direction and speed (mph)
    W
    5
    W
    5
    WNW
    4
    WNW
    3
    WNW
    3
    WNW
    3
    WNW
    3
    NW
    2
    NNW
    2
    N
    2
    SSW
    2
    S
    2
    S
    2
    S
    3
    S
    3
    S
    4
    SSE
    4
    SSE
    4
    SE
    5
    SSE
    5
    SSE
    6
    SSE
    7
    SSE
    7
    SSE
    7
    Wind gust (mph)
    19
    19
    17
    13
    13
    12
    10
    9
    9
    9
    9
    9
    9
    13
    13
    15
    15
    16
    17
    17
    18
    20
    21
    21
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    G
    G
    G
    G
    M
    P
    P
    Humidity
    82%
    83%
    83%
    84%
    84%
    84%
    85%
    86%
    85%
    78%
    73%
    68%
    66%
    65%
    66%
    67%
    68%
    74%
    77%
    83%
    87%
    87%
    91%
    94%
    UV - - - - - - - 1 1 1 1 2 2 2 2 1 1 1 1 - - - - -
    Monday (12 October 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 Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Mist Mist Mist Mist Mist Mist Mist Mist
    Chance of precipitation
    70%
    70%
    70%
    60%
    70%
    70%
    70%
    70%
    70%
    70%
    70%
    60%
    60%
    60%
    60%
    50%
    50%
    40%
    40%
    30%
    40%
    40%
    40%
    40%
    Temperature (°C)
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    16°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    13°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    16°
    16°
    16°
    17°
    18°
    18°
    18°
    18°
    19°
    19°
    17°
    17°
    17°
    17°
    17°
    Wind direction and speed (mph)
    SSE
    7
    SSE
    7
    SSE
    7
    SSE
    7
    SSE
    7
    SSE
    7
    SSE
    7
    S
    7
    S
    7
    S
    7
    S
    6
    S
    7
    S
    7
    S
    7
    SSW
    7
    SSW
    6
    SSW
    6
    SSW
    6
    SSW
    5
    SSW
    6
    SSW
    6
    SSW
    6
    SSW
    7
    SSW
    7
    Wind gust (mph)
    20
    21
    20
    21
    20
    21
    20
    19
    19
    20
    20
    19
    18
    18
    18
    19
    17
    16
    17
    17
    19
    19
    20
    20
    Visibility (description)
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    Humidity
    93%
    96%
    96%
    97%
    98%
    98%
    98%
    98%
    98%
    98%
    98%
    98%
    98%
    97%
    97%
    96%
    96%
    97%
    97%
    97%
    98%
    98%
    98%
    97%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 1 - - - - -
    Tuesday (13 October 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 Light rain Light rain Mist Overcast Light rain Light rain Light rain Light rain Light rain Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    50%
    50%
    50%
    50%
    40%
    60%
    70%
    60%
    50%
    50%
    50%
    30%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    17°
    17°
    18°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    17°
    17°
    18°
    18°
    18°
    17°
    16°
    15°
    14°
    14°
    13°
    13°
    Feels like temperature (°C)
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    15°
    15°
    14°
    15°
    16°
    15°
    16°
    16°
    16°
    15°
    15°
    14°
    13°
    12°
    12°
    12°
    Wind direction and speed (mph)
    SSW
    7
    SSW
    7
    SSW
    8
    SW
    8
    SW
    8
    SW
    9
    SW
    10
    SW
    11
    WSW
    10
    WSW
    10
    W
    10
    W
    10
    W
    11
    W
    11
    W
    11
    W
    11
    W
    10
    W
    9
    W
    8
    WSW
    7
    WSW
    7
    WSW
    7
    WSW
    7
    WSW
    7
    Wind gust (mph)
    22
    23
    23
    24
    25
    26
    29
    29
    29
    29
    29
    28
    28
    28
    27
    26
    25
    22
    21
    19
    19
    19
    20
    19
    Visibility (description)
    P
    P
    P
    P
    P
    M
    M
    M
    M
    M
    M
    G
    G
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    –
    Humidity
    97%
    97%
    96%
    96%
    96%
    94%
    93%
    92%
    90%
    90%
    90%
    85%
    78%
    71%
    67%
    65%
    65%
    67%
    72%
    77%
    81%
    83%
    85%
    86%
    UV - - - - - - - 1 1 1 1 2 2 2 2 1 1 1 1 - - - - -
    Wednesday (14 October 2026)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Mist Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation –
    <5%
    10%
    20%
    20%
    20%
    20%
    10%
    20%
    Temperature (°C)
    13°
    14°
    13°
    14°
    16°
    17°
    17°
    15°
    15°
    Feels like temperature (°C)
    12°
    12°
    12°
    13°
    14°
    15°
    15°
    14°
    14°
    Wind direction and speed (mph)
    WSW
    7
    SW
    7
    SW
    8
    SW
    8
    SW
    10
    SW
    11
    SW
    11
    SW
    9
    SW
    9
    Wind gust (mph) –
    17
    21
    24
    29
    29
    26
    22
    21
    Visibility (description) –
    G
    P
    M
    G
    G
    G
    G
    G
    Humidity
    87%
    88%
    89%
    88%
    85%
    75%
    72%
    81%
    85%
    UV No UV data - - 1 1 2 1 - -
    Thursday (15 October 2026)
    Time
    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 Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    20%
    30%
    30%
    40%
    40%
    40%
    50%
    40%
    Temperature (°C)
    15°
    15°
    15°
    16°
    17°
    17°
    15°
    14°
    Feels like temperature (°C)
    14°
    14°
    14°
    15°
    15°
    15°
    14°
    13°
    Wind direction and speed (mph)
    SW
    9
    SW
    9
    SSW
    9
    SW
    10
    SW
    11
    SW
    11
    WSW
    9
    WSW
    9
    Wind gust (mph)
    22
    24
    26
    28
    29
    27
    25
    22
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    87%
    88%
    91%
    87%
    78%
    77%
    83%
    89%
    UV - - 1 1 2 1 - -

    UK video forecast

    Llanishen weather map

    View the weather with our interactive map

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    Wales weather forecast

    Headline:

    A wet, blustery start, turning brighter later.

    Today:

    A milder start, with rain, sometimes heavy and with blustery winds. Rain clearing southeastwards into the afternoon allowing for some sunshine, but remaining breezy, and the potential for the odd shower later in the north and west. Cooling down too. Maximum temperature 17 °C.

    Tonight:

    Clear spells with light showers around to start this evening. Showers becoming more frequent into the early hours of Saturday yet, with winds easing. A chillier night than the last. Minimum temperature 8 °C.

    Saturday:

    A mixed day with scattered showers, but with plenty of sunshine in-between the showers too. Showers and winds easing during the evening. Feeling cooler than on Friday. Maximum temperature 15 °C.

    Outlook for Sunday to Tuesday:

    Early brightness, but rain arriving from the southwest on Sunday. Patchy light, drizzly rain continuing into Monday, then rain clearing to sunnier skies on Tuesday. Feeling milder with southerly winds.

    Updated:

    UK long range weather forecast