St Asaph (Denbighshire) weather

Forecast days

Cloudy changing to light rain by late morning.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

    7 day forecast for St Asaph

    Today (18 September 2025)
    Time
    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 Cloudy Cloudy Overcast Light rain Light rain Light rain Light rain Light shower day Sunny intervals Cloudy Sunny intervals Cloudy Cloudy Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    40%
    30%
    50%
    70%
    70%
    80%
    70%
    50%
    30%
    40%
    50%
    40%
    40%
    40%
    40%
    40%
    30%
    30%
    Temperature
    13°
    13°
    14°
    14°
    15°
    16°
    17°
    18°
    19°
    19°
    20°
    20°
    19°
    19°
    18°
    18°
    18°
    18°
    18°
    Feels like temperature (°C)
    12°
    13°
    13°
    14°
    15°
    15°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    Wind direction and speed
    SSW
    6
    SSW
    6
    S
    5
    SSE
    4
    S
    5
    S
    7
    S
    10
    SSW
    12
    SSW
    14
    SSW
    15
    SSW
    16
    SW
    15
    SSW
    14
    SSW
    13
    SSW
    12
    SSW
    11
    SSW
    10
    S
    10
    S
    10
    Wind gust (mph)
    14
    12
    10
    12
    15
    19
    21
    29
    34
    36
    36
    36
    35
    34
    33
    29
    26
    25
    24
    Visibility
    VG
    VG
    VG
    G
    G
    G
    G
    G
    VG
    VG
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    Humidity
    85%
    85%
    86%
    86%
    87%
    91%
    90%
    90%
    88%
    84%
    79%
    79%
    83%
    83%
    85%
    87%
    86%
    86%
    86%
    UV - 1 1 1 1 2 2 3 3 3 2 1 1 1 1 - - - -
    Friday (19 September 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 Cloudy Cloudy Cloudy Partly cloudy night Partly cloudy night Cloudy Cloudy Overcast Light shower day 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
    Chance of precipitation
    30%
    30%
    30%
    30%
    30%
    30%
    40%
    50%
    50%
    50%
    60%
    60%
    60%
    70%
    70%
    60%
    60%
    70%
    60%
    70%
    60%
    50%
    50%
    60%
    Temperature (°C)
    18°
    18°
    18°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    16°
    16°
    15°
    15°
    15°
    15°
    Feels like temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    15°
    15°
    15°
    15°
    Wind direction and speed (mph)
    S
    10
    S
    10
    S
    9
    S
    9
    S
    10
    S
    10
    S
    9
    S
    9
    S
    8
    S
    8
    S
    9
    S
    9
    SSW
    9
    SW
    9
    SW
    8
    SW
    8
    SW
    7
    SW
    7
    SW
    7
    SW
    6
    SSW
    4
    SE
    4
    S
    4
    S
    3
    Wind gust (mph)
    26
    26
    27
    27
    27
    26
    25
    22
    20
    19
    20
    20
    20
    20
    19
    15
    15
    12
    13
    11
    8
    6
    6
    6
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    86%
    85%
    86%
    86%
    85%
    85%
    85%
    85%
    86%
    86%
    85%
    85%
    86%
    85%
    84%
    84%
    85%
    86%
    87%
    89%
    91%
    92%
    94%
    95%
    UV - - - - - - 1 1 1 1 2 2 3 2 2 2 1 1 1 1 - - - -
    Saturday (20 September 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 rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain
    Chance of precipitation
    70%
    80%
    70%
    60%
    60%
    60%
    60%
    60%
    60%
    70%
    80%
    80%
    80%
    80%
    80%
    80%
    70%
    70%
    70%
    70%
    70%
    70%
    70%
    70%
    Temperature (°C)
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    14°
    13°
    13°
    13°
    12°
    12°
    Feels like temperature (°C)
    15°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    14°
    13°
    13°
    13°
    13°
    14°
    14°
    13°
    13°
    12°
    12°
    11°
    11°
    10°
    Wind direction and speed (mph)
    SE
    3
    SSE
    3
    SE
    3
    SE
    4
    ESE
    4
    SSE
    4
    ESE
    4
    E
    4
    E
    4
    NE
    5
    NNE
    5
    NE
    7
    NNE
    7
    NE
    8
    NNE
    8
    NE
    8
    NE
    8
    N
    9
    NW
    9
    SE
    8
    NNW
    8
    NNW
    8
    N
    9
    NE
    10
    Wind gust (mph)
    5
    6
    7
    7
    7
    6
    6
    6
    8
    11
    14
    16
    16
    16
    14
    13
    13
    13
    13
    17
    18
    21
    19
    21
    Visibility (description)
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    G
    M
    M
    G
    G
    VG
    G
    G
    G
    VG
    VG
    VG
    Humidity
    95%
    95%
    96%
    96%
    96%
    96%
    96%
    95%
    95%
    94%
    94%
    93%
    92%
    92%
    92%
    91%
    89%
    88%
    91%
    92%
    92%
    92%
    91%
    90%
    UV - - - - - - 1 1 1 1 1 1 1 2 2 2 1 1 1 1 - - - -
    Sunday (21 September 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 Heavy rain Heavy rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light shower day Overcast Cloudy Light shower day Light shower day Light shower day Light shower day Cloudy Cloudy Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    70%
    80%
    80%
    80%
    80%
    70%
    70%
    70%
    70%
    60%
    50%
    50%
    50%
    50%
    50%
    50%
    60%
    50%
    50%
    50%
    40%
    30%
    20%
    20%
    Temperature (°C)
    12°
    12°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    12°
    12°
    13°
    13°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Wind direction and speed (mph)
    N
    11
    NW
    11
    NW
    11
    N
    11
    NNE
    11
    N
    12
    N
    12
    NNE
    12
    N
    12
    N
    12
    N
    13
    NNE
    13
    N
    13
    N
    13
    N
    12
    N
    12
    N
    12
    N
    12
    N
    11
    NNE
    11
    NNE
    9
    NNE
    9
    NE
    9
    NE
    9
    Wind gust (mph)
    21
    21
    21
    24
    21
    24
    24
    26
    25
    28
    26
    26
    24
    28
    28
    26
    26
    25
    23
    21
    21
    20
    19
    19
    Visibility (description)
    VG
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    89%
    89%
    90%
    89%
    91%
    88%
    87%
    85%
    85%
    82%
    80%
    75%
    72%
    67%
    66%
    67%
    67%
    71%
    72%
    73%
    75%
    74%
    73%
    75%
    UV - - - - - - 1 1 1 1 2 2 3 2 3 2 1 1 1 1 - - - -
    Monday (22 September 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 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 Partly cloudy night No weather symbol data No weather symbol data No weather symbol data
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    <5%
    <5%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    11°
    10°
    10°
    10°
    Feels like temperature (°C)
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    10°
    Wind direction and speed (mph)
    NE
    8
    NE
    8
    NNE
    7
    NNE
    7
    NNE
    7
    NNE
    7
    NE
    7
    NE
    7
    NE
    8
    NE
    9
    NNE
    10
    NNE
    10
    NNE
    11
    NNE
    11
    N
    11
    N
    11
    N
    11
    N
    10
    N
    9
    N
    8
    N
    7
    NE
    6
    NNE
    6
    Wind gust (mph)
    18
    18
    17
    16
    16
    16
    16
    15
    18
    21
    21
    21
    21
    22
    23
    22
    21
    21
    20
    16
    15
    Visibility (description)
    VG
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    74%
    74%
    75%
    76%
    76%
    77%
    77%
    78%
    77%
    72%
    66%
    62%
    59%
    58%
    56%
    56%
    55%
    56%
    58%
    66%
    68%
    71%
    75%
    77%
    UV - - - - - - - 1 1 1 2 3 3 3 3 2 1 1 1 1 - - - -
    Tuesday (23 September 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols No weather symbol data Cloudy Partly cloudy night Sunny intervals Cloudy Cloudy Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    Temperature (°C)
    12°
    14°
    14°
    12°
    10°
    Feels like temperature (°C)
    11°
    12°
    12°
    10°
    Wind direction and speed (mph)
    NNE
    5
    NNE
    5
    N
    6
    N
    8
    N
    9
    NNW
    9
    NNW
    8
    N
    6
    Wind gust (mph)
    6
    6
    8
    14
    15
    14
    8
    6
    Visibility (description)
    VG
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    79%
    80%
    85%
    86%
    70%
    60%
    61%
    75%
    83%
    UV - - - 1 2 4 1 1 -
    Wednesday (24 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Cloudy Cloudy Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    10%
    Temperature (°C)
    13°
    15°
    15°
    12°
    11°
    Feels like temperature (°C)
    11°
    13°
    13°
    11°
    10°
    Wind direction and speed (mph)
    NNE
    5
    ENE
    5
    E
    5
    ESE
    7
    NNE
    9
    N
    8
    NNE
    7
    E
    6
    Wind gust (mph)
    6
    6
    7
    12
    12
    10
    8
    6
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    87%
    91%
    93%
    76%
    65%
    62%
    80%
    85%
    UV - - 1 2 3 1 1 -

    UK video forecast

    St Asaph weather map

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    WARNING
    Flood alerts icon
    Flood alerts in force for Wales
    Flood alerts in force for Wales

    Wales weather forecast

    Headline:

    Often cloudy with patchy rain at times.

    Today:

    A cloudy, damp and mild start to Thursday. Cloud breaking in the east with some brighter spells, but drizzle persisting over the hills in the west. Staying windy and humid. Maximum temperature 20 °C.

    Tonight:

    Remaining cloudy in the west overnight with drizzle persisting over hills. Drier in the east with a few clear spells. Windy in the northwest, but winds easing elsewhere by dawn. Minimum temperature 12 °C.

    Friday:

    Cloudy in the west with rain and drizzle, turning heavy at times over hills and mountains. Some brighter and drier intervals in the east. Winds continue to ease. Feeling humid. Maximum temperature 20 °C.

    Outlook for Saturday to Monday:

    Remaining changeable with showers or longer spells of rain on Saturday. Turning colder through Sunday as showery rain clears southeast, leaving sunny spells and showers on Monday.

    Updated:

    UK long range weather forecast

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