Cwmystwyth (Ceredigion) weather

Forecast days

Cloudy changing to heavy rain by early evening.
Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution
No pollen data.

    7 day forecast for Cwmystwyth

    Today (18 October 2025)
    Time
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Cloudy Cloudy Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain
    Chance of precipitation
    <5%
    20%
    60%
    90%
    90%
    ≥95%
    90%
    90%
    Temperature
    12°
    11°
    11°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed
    SE
    13
    SE
    14
    SE
    15
    SE
    16
    SE
    16
    SE
    15
    SE
    15
    SE
    15
    Wind gust (mph)
    30
    32
    34
    34
    32
    32
    31
    32
    Visibility
    E
    E
    VG
    M
    M
    M
    M
    M
    Humidity
    75%
    75%
    76%
    83%
    90%
    92%
    92%
    93%
    UV 1 1 1 - - - - -
    Sunday (19 October 2025)
    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 Light rain Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light shower day Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Light shower night Light shower night
    Chance of precipitation
    90%
    90%
    80%
    60%
    60%
    70%
    80%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    90%
    70%
    30%
    20%
    20%
    20%
    40%
    40%
    70%
    70%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    12°
    12°
    13°
    13°
    14°
    14°
    13°
    13°
    13°
    12°
    11°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    11°
    11°
    10°
    10°
    10°
    Wind direction and speed (mph)
    SE
    15
    SE
    15
    SE
    15
    SE
    15
    SE
    15
    SE
    15
    SE
    14
    SE
    15
    SE
    14
    SE
    14
    SE
    15
    SE
    15
    SSE
    14
    SSE
    13
    S
    12
    SSW
    11
    SW
    9
    SW
    8
    SW
    7
    SSW
    6
    SSW
    6
    S
    7
    S
    7
    S
    8
    Wind gust (mph)
    32
    34
    32
    32
    32
    32
    33
    33
    33
    33
    33
    32
    31
    29
    27
    23
    22
    19
    18
    18
    18
    19
    21
    22
    Visibility (description)
    M
    M
    M
    G
    VG
    VG
    G
    M
    M
    M
    M
    M
    M
    M
    M
    M
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    92%
    92%
    92%
    91%
    90%
    91%
    92%
    93%
    93%
    93%
    93%
    93%
    93%
    94%
    96%
    96%
    95%
    93%
    93%
    94%
    94%
    94%
    94%
    93%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 1 - - - - -
    Monday (20 October 2025)
    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 shower night Heavy shower night Heavy shower night Heavy rain Heavy rain Heavy rain Heavy rain Heavy shower night Heavy rain Heavy rain Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Light shower day Light shower day Light shower night Light shower night Heavy shower night Heavy shower night Heavy shower night Light shower night
    Chance of precipitation
    80%
    90%
    80%
    90%
    90%
    ≥95%
    90%
    ≥95%
    ≥95%
    90%
    90%
    90%
    90%
    90%
    90%
    80%
    80%
    70%
    70%
    70%
    80%
    80%
    80%
    80%
    Temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    10°
    10°
    11°
    11°
    10°
    10°
    10°
    Wind direction and speed (mph)
    S
    8
    S
    9
    S
    9
    S
    9
    SSE
    10
    SSE
    10
    SSE
    10
    SSE
    10
    SSE
    9
    SSE
    9
    SSE
    8
    SSE
    8
    SSE
    8
    S
    7
    SW
    7
    W
    8
    W
    8
    WNW
    9
    WNW
    9
    WNW
    10
    WNW
    10
    WNW
    11
    W
    11
    W
    10
    Wind gust (mph)
    23
    24
    24
    25
    27
    28
    27
    26
    25
    23
    22
    19
    15
    14
    14
    17
    19
    21
    21
    22
    23
    23
    24
    24
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    G
    M
    G
    G
    G
    G
    G
    VG
    VG
    VG
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    94%
    93%
    93%
    93%
    93%
    93%
    93%
    93%
    93%
    93%
    92%
    92%
    91%
    92%
    92%
    94%
    95%
    96%
    97%
    97%
    98%
    98%
    98%
    97%
    UV - - - - - - - 1 1 1 1 1 2 1 1 1 1 1 1 - - - - -
    Tuesday (21 October 2025)
    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 Heavy shower night Heavy shower night Heavy shower night Light shower night Light shower night Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    70%
    70%
    80%
    80%
    80%
    70%
    70%
    70%
    80%
    70%
    70%
    80%
    80%
    80%
    90%
    90%
    80%
    70%
    60%
    70%
    60%
    60%
    50%
    50%
    Temperature (°C)
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    10
    W
    9
    W
    9
    W
    9
    W
    10
    W
    10
    W
    10
    W
    9
    WSW
    9
    W
    9
    W
    10
    W
    10
    W
    11
    W
    11
    W
    11
    W
    11
    W
    10
    W
    9
    W
    9
    W
    7
    W
    7
    W
    6
    W
    6
    WSW
    6
    Wind gust (mph)
    24
    23
    23
    24
    26
    24
    22
    23
    26
    27
    26
    27
    28
    28
    27
    28
    26
    23
    21
    21
    20
    18
    16
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    97%
    97%
    97%
    98%
    98%
    98%
    98%
    97%
    97%
    97%
    96%
    96%
    96%
    94%
    93%
    93%
    94%
    93%
    92%
    93%
    92%
    91%
    92%
    93%
    UV - - - - - - - 1 1 1 1 1 2 2 1 1 1 1 1 - - - - -
    Wednesday (22 October 2025)
    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 Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Heavy rain Light shower night Light shower night
    Chance of precipitation
    50%
    40%
    30%
    30%
    30%
    30%
    30%
    30%
    20%
    20%
    20%
    30%
    40%
    50%
    60%
    60%
    70%
    60%
    60%
    70%
    70%
    70%
    70%
    70%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WSW
    6
    WSW
    6
    SW
    5
    SW
    5
    SW
    5
    SW
    5
    SSW
    5
    SSW
    4
    S
    5
    S
    5
    S
    6
    S
    6
    SSE
    7
    SSE
    8
    S
    8
    SSE
    8
    S
    8
    SE
    8
    SE
    8
    ESE
    8
    SSE
    7
    SSE
    8
    S
    8
    ESE
    8
    Wind gust (mph)
    16
    16
    15
    14
    14
    13
    12
    11
    11
    12
    14
    16
    17
    17
    15
    16
    17
    15
    14
    16
    15
    15
    15
    15
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    Humidity
    93%
    93%
    93%
    93%
    94%
    94%
    95%
    94%
    94%
    91%
    87%
    85%
    83%
    81%
    82%
    83%
    85%
    86%
    90%
    92%
    93%
    94%
    93%
    93%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 1 - - - - -
    Thursday (23 October 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Light shower night Light rain Light rain Light rain Light shower day Light shower day Light rain Cloudy Cloudy
    Chance of precipitation
    70%
    70%
    70%
    60%
    70%
    70%
    60%
    50%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSE
    7
    SSE
    7
    SW
    8
    W
    10
    W
    12
    WNW
    13
    WNW
    14
    WNW
    13
    WNW
    12
    Wind gust (mph)
    14
    17
    23
    26
    28
    32
    30
    23
    23
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    93%
    93%
    94%
    92%
    91%
    89%
    89%
    90%
    90%
    UV - - - 1 1 1 1 - -
    Friday (24 October 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Light shower day Light shower day Light shower day Overcast Overcast Overcast
    Chance of precipitation
    40%
    50%
    50%
    60%
    50%
    40%
    40%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    12
    W
    12
    W
    11
    WNW
    11
    WNW
    13
    WNW
    11
    WNW
    10
    WNW
    9
    Wind gust (mph)
    23
    21
    22
    26
    27
    23
    19
    18
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    89%
    91%
    92%
    89%
    83%
    83%
    84%
    88%
    UV - - 1 1 2 1 - -

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    Wales weather forecast

    Headline:

    Wet and windy, but turning drier later.

    This Evening and Tonight:

    South-easterly winds freshening this evening with showery outbreaks of rain moving eastwards. Turning increasingly wet and windy overnight with some heavy and persistent rain by dawn. Coastal gales possible at times. Mild. Minimum temperature 10 °C.

    Sunday:

    A wet and windy morning with the heaviest rain easing by early afternoon. Turning brighter from the west, though quickly followed by showers, which may turn heavy. Winds easing. Maximum temperature 16 °C.

    Outlook for Monday to Wednesday:

    Windy on Monday with heavy and blustery showers and sunny spells. Fewer showers on Tuesday but staying changeable on Wednesday with further wet and windy weather possible. Temperatures around average.

    Updated:

    UK long range weather forecast

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