Cwmystwyth (Ceredigion) weather

Forecast days

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

    7 day forecast for Cwmystwyth

    Today (27 September 2026)
    Time
    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 Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy shower day Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    20%
    60%
    80%
    90%
    80%
    90%
    90%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    70%
    40%
    30%
    30%
    20%
    <5%
    10%
    10%
    10%
    <5%
    10%
    Temperature
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    13°
    14°
    15°
    15°
    15°
    16°
    16°
    15°
    15°
    14°
    14°
    12°
    11°
    10°
    9°
    9°
    Feels like temperature (°C)
    12°
    12°
    11°
    11°
    11°
    10°
    10°
    11°
    12°
    12°
    12°
    13°
    14°
    14°
    13°
    13°
    13°
    12°
    11°
    10°
    10°
    9°
    8°
    Wind direction and speed
    SE
    3
    ESE
    5
    ESE
    6
    ESE
    7
    SE
    7
    SE
    9
    SE
    10
    SE
    11
    SSE
    13
    SSE
    14
    SSE
    15
    S
    14
    SW
    14
    WSW
    13
    W
    11
    W
    11
    W
    10
    W
    7
    W
    6
    SW
    3
    SSW
    3
    SSW
    3
    S
    3
    Wind gust (mph)
    13
    15
    15
    17
    20
    23
    26
    30
    34
    35
    35
    35
    32
    31
    30
    28
    24
    19
    16
    13
    13
    13
    13
    Visibility
    G
    M
    G
    G
    G
    G
    G
    M
    M
    M
    M
    P
    P
    M
    M
    M
    G
    G
    VG
    VG
    G
    G
    G
    Humidity
    91%
    91%
    91%
    89%
    89%
    87%
    87%
    88%
    90%
    90%
    92%
    94%
    96%
    93%
    88%
    87%
    83%
    78%
    82%
    84%
    85%
    86%
    88%
    UV - - - - - - 1 1 1 1 1 2 2 1 1 1 1 1 1 - - - -
    Monday (28 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 Partly cloudy night Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day 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
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    Temperature (°C)
    8°
    8°
    8°
    8°
    7°
    7°
    7°
    8°
    8°
    10°
    13°
    14°
    15°
    15°
    16°
    16°
    16°
    16°
    14°
    12°
    11°
    11°
    12°
    12°
    Feels like temperature (°C)
    8°
    8°
    8°
    7°
    7°
    6°
    6°
    7°
    8°
    10°
    12°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    13°
    11°
    10°
    10°
    10°
    10°
    Wind direction and speed (mph)
    S
    3
    SSE
    3
    SSE
    3
    SSE
    3
    SE
    3
    SE
    3
    SE
    3
    SE
    3
    ESE
    3
    SE
    2
    SSE
    2
    S
    2
    S
    2
    S
    2
    SSE
    3
    SE
    3
    SE
    4
    ESE
    6
    ESE
    6
    E
    6
    E
    7
    E
    7
    E
    9
    E
    10
    Wind gust (mph)
    12
    11
    10
    9
    9
    9
    9
    10
    10
    9
    9
    9
    9
    9
    11
    13
    13
    13
    12
    14
    14
    16
    18
    19
    Visibility (description)
    M
    M
    M
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    89%
    88%
    87%
    86%
    86%
    86%
    85%
    84%
    82%
    77%
    67%
    62%
    56%
    54%
    51%
    52%
    53%
    55%
    63%
    70%
    70%
    67%
    66%
    66%
    UV - - - - - - - 1 1 1 2 3 4 4 3 2 1 1 1 - - - - -
    Tuesday (29 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 Partly cloudy night Partly cloudy night 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 Light rain Light rain Heavy rain
    Chance of precipitation
    10%
    10%
    20%
    20%
    30%
    30%
    30%
    30%
    30%
    20%
    30%
    10%
    <5%
    <5%
    <5%
    <5%
    10%
    20%
    30%
    30%
    40%
    60%
    70%
    80%
    Temperature (°C)
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    13°
    13°
    14°
    15°
    16°
    18°
    18°
    20°
    20°
    20°
    20°
    19°
    19°
    18°
    19°
    19°
    18°
    Feels like temperature (°C)
    9°
    9°
    10°
    9°
    10°
    10°
    10°
    11°
    11°
    12°
    14°
    15°
    16°
    16°
    17°
    18°
    18°
    18°
    17°
    17°
    16°
    16°
    16°
    16°
    Wind direction and speed (mph)
    E
    11
    E
    11
    E
    13
    E
    13
    E
    13
    E
    13
    E
    13
    E
    11
    ESE
    11
    ESE
    11
    ESE
    11
    ESE
    11
    SE
    13
    SE
    14
    SE
    14
    SE
    14
    SE
    13
    SE
    13
    SE
    14
    SE
    14
    SE
    15
    SE
    15
    SSE
    15
    SSE
    13
    Wind gust (mph)
    19
    20
    21
    22
    22
    23
    24
    23
    24
    25
    26
    26
    28
    28
    30
    30
    30
    31
    31
    32
    33
    35
    35
    34
    Visibility (description)
    VG
    G
    G
    M
    M
    M
    P
    P
    P
    P
    P
    P
    M
    M
    G
    VG
    VG
    VG
    G
    M
    M
    M
    M
    M
    Humidity
    68%
    74%
    81%
    86%
    90%
    93%
    95%
    96%
    97%
    96%
    95%
    92%
    86%
    81%
    77%
    76%
    75%
    76%
    79%
    85%
    86%
    86%
    87%
    88%
    UV - - - - - - - 1 1 1 2 2 2 2 3 2 1 1 1 - - - - -
    Wednesday (30 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 Heavy rain Heavy rain Heavy rain Heavy shower night Light shower night Light shower night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Light shower day Light shower day Light shower day Light shower day Light shower day Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    80%
    80%
    70%
    60%
    60%
    50%
    40%
    30%
    30%
    20%
    20%
    20%
    40%
    50%
    50%
    60%
    60%
    60%
    50%
    40%
    40%
    30%
    30%
    30%
    Temperature (°C)
    18°
    18°
    17°
    16°
    15°
    15°
    14°
    14°
    14°
    14°
    15°
    16°
    17°
    17°
    17°
    17°
    16°
    16°
    15°
    14°
    13°
    13°
    13°
    12°
    Feels like temperature (°C)
    16°
    16°
    15°
    15°
    14°
    14°
    13°
    13°
    13°
    13°
    14°
    15°
    15°
    16°
    15°
    15°
    14°
    14°
    14°
    13°
    12°
    11°
    11°
    11°
    Wind direction and speed (mph)
    SSE
    13
    SSE
    11
    S
    10
    S
    9
    S
    8
    S
    8
    S
    8
    S
    8
    S
    8
    S
    9
    S
    10
    SSW
    10
    SSW
    10
    SSW
    10
    SSW
    10
    SSW
    10
    SSW
    10
    SSW
    9
    SSW
    8
    SSW
    7
    SSW
    7
    SSW
    7
    SSW
    7
    SSW
    7
    Wind gust (mph)
    34
    33
    31
    28
    23
    22
    21
    22
    22
    23
    26
    28
    29
    30
    30
    28
    25
    24
    20
    20
    20
    20
    21
    19
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    G
    G
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    M
    G
    M
    Humidity
    90%
    93%
    93%
    93%
    94%
    94%
    94%
    94%
    93%
    91%
    85%
    78%
    74%
    72%
    68%
    71%
    74%
    77%
    81%
    87%
    88%
    91%
    91%
    92%
    UV - - - - - - - 1 1 1 2 3 3 3 3 2 1 1 1 - - - - -
    Thursday (1 October 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 Light shower night Light shower night Light shower day Light shower day Sunny intervals Sunny intervals Partly cloudy night Mist
    Chance of precipitation
    40%
    60%
    60%
    50%
    50%
    30%
    20%
    20%
    20%
    Temperature (°C)
    12°
    12°
    11°
    11°
    13°
    15°
    14°
    11°
    10°
    Feels like temperature (°C)
    10°
    11°
    10°
    9°
    11°
    13°
    13°
    10°
    9°
    Wind direction and speed (mph)
    SSW
    7
    SSW
    7
    SSW
    6
    SSW
    6
    SW
    7
    WSW
    9
    WSW
    9
    SW
    7
    SSW
    6
    Wind gust (mph)
    19
    19
    18
    19
    23
    23
    21
    15
    15
    Visibility (description)
    M
    M
    M
    M
    G
    VG
    VG
    VG
    G
    Humidity
    92%
    92%
    93%
    93%
    86%
    69%
    69%
    86%
    92%
    UV - - - 1 2 3 1 - -
    Friday (2 October 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Mist Mist Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    20%
    20%
    30%
    30%
    20%
    10%
    20%
    Temperature (°C)
    10°
    10°
    10°
    13°
    15°
    15°
    13°
    12°
    Feels like temperature (°C)
    9°
    8°
    8°
    12°
    14°
    14°
    12°
    11°
    Wind direction and speed (mph)
    S
    6
    S
    6
    SSE
    6
    S
    7
    SSW
    9
    SSW
    9
    S
    6
    S
    6
    Wind gust (mph)
    15
    16
    17
    21
    22
    19
    12
    12
    Visibility (description)
    P
    P
    P
    G
    VG
    VG
    G
    M
    Humidity
    94%
    96%
    96%
    88%
    75%
    76%
    89%
    95%
    UV - - 1 2 3 1 - -
    Saturday (3 October 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Mist Mist Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Mist
    Chance of precipitation
    20%
    20%
    10%
    20%
    20%
    10%
    10%
    10%
    Temperature (°C)
    11°
    11°
    10°
    13°
    16°
    16°
    13°
    11°
    Feels like temperature (°C)
    9°
    10°
    9°
    13°
    15°
    15°
    12°
    10°
    Wind direction and speed (mph)
    SSE
    6
    S
    6
    SSE
    6
    SSE
    6
    SSW
    8
    SW
    7
    WSW
    5
    S
    5
    Wind gust (mph)
    14
    12
    14
    19
    19
    16
    9
    10
    Visibility (description)
    M
    P
    P
    G
    G
    G
    G
    M
    Humidity
    96%
    96%
    96%
    88%
    72%
    73%
    88%
    93%
    UV - - 1 2 3 1 - -

    UK video forecast

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    Wales weather forecast

    Headline:

    A fine end to Saturday but turning more unsettled Sunday.

    This Evening and Tonight:

    Plenty of evening sunshine to end Saturday, with skies remaining clear at first tonight, and turning chilly. A few mist and fog patches possible. Cloud increasing a little towards the end of the night. Minimum temperature 4 °C.

    Sunday:

    A dry but largely cloudy start on Sunday. Heavy and persistent rain will arrive from the southwest through the morning, with strengthening winds. Mild but feeling cooler in the rain. Maximum temperature 21 °C.

    Outlook for Monday to Wednesday:

    Some pleasant spells of warm sunshine on Monday with light winds. Strengthening winds on Tuesday and unseasonably warm, some rain later. Fresher and breezy on Wednesday with sunshine and showers.

    Updated:

    UK long range weather forecast