Herstmonceux Castle (East Sussex) weather

Forecast days

Overcast.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

    7 day forecast for Herstmonceux Castle

    Today (17 September 2025)
    Time
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Overcast Overcast Cloudy Sunny intervals Cloudy Overcast Overcast Overcast Overcast
    Chance of precipitation
    10%
    10%
    10%
    10%
    <5%
    <5%
    10%
    10%
    <5%
    Temperature
    19°
    19°
    19°
    18°
    18°
    18°
    18°
    18°
    18°
    Feels like temperature (°C)
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    Wind direction and speed
    SW
    19
    SW
    18
    WSW
    16
    WSW
    15
    WSW
    14
    WSW
    14
    WSW
    13
    WSW
    13
    WSW
    13
    Wind gust (mph)
    37
    35
    33
    32
    31
    29
    28
    28
    27
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    76%
    77%
    82%
    85%
    85%
    85%
    86%
    87%
    88%
    UV 2 1 1 1 1 - - - -
    Thursday (18 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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    30%
    30%
    20%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    18°
    18°
    18°
    19°
    19°
    20°
    20°
    20°
    20°
    19°
    19°
    18°
    18°
    17°
    17°
    16°
    Feels like temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    Wind direction and speed (mph)
    WSW
    12
    WSW
    12
    WSW
    12
    WSW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    12
    SW
    13
    WSW
    14
    WSW
    15
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    15
    WSW
    14
    WSW
    12
    SW
    10
    SW
    7
    SW
    6
    SW
    5
    SSW
    4
    Wind gust (mph)
    26
    27
    27
    27
    27
    26
    27
    27
    28
    28
    29
    30
    30
    31
    31
    30
    28
    25
    19
    17
    14
    12
    9
    8
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    90%
    91%
    91%
    90%
    91%
    90%
    91%
    92%
    91%
    89%
    88%
    86%
    85%
    81%
    77%
    77%
    77%
    81%
    83%
    84%
    86%
    87%
    89%
    92%
    UV - - - - - - 1 1 1 1 2 2 3 3 2 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 Partly cloudy night Partly cloudy night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    17°
    18°
    20°
    20°
    21°
    21°
    21°
    21°
    20°
    20°
    19°
    17°
    16°
    16°
    16°
    15°
    Feels like temperature (°C)
    16°
    17°
    16°
    16°
    16°
    16°
    16°
    15°
    17°
    18°
    19°
    19°
    20°
    20°
    20°
    19°
    19°
    19°
    18°
    17°
    16°
    16°
    16°
    16°
    Wind direction and speed (mph)
    SSW
    4
    S
    4
    S
    4
    SSE
    4
    SSE
    5
    SSE
    5
    SSE
    5
    SSE
    5
    S
    5
    S
    7
    SSW
    9
    SSW
    9
    SSW
    9
    SSW
    10
    SW
    10
    SW
    10
    SW
    9
    SW
    8
    SW
    7
    WSW
    5
    WSW
    4
    WSW
    3
    WSW
    3
    SW
    3
    Wind gust (mph)
    8
    9
    10
    10
    10
    10
    10
    12
    17
    18
    19
    18
    18
    17
    16
    15
    14
    12
    10
    10
    8
    6
    5
    4
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    Humidity
    93%
    94%
    95%
    96%
    96%
    97%
    97%
    97%
    93%
    85%
    76%
    72%
    70%
    69%
    69%
    69%
    72%
    74%
    80%
    87%
    92%
    93%
    95%
    96%
    UV - - - - - - 1 1 1 2 3 4 4 4 4 3 2 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals 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
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    20%
    20%
    20%
    30%
    40%
    30%
    30%
    20%
    30%
    20%
    10%
    10%
    10%
    10%
    20%
    Temperature (°C)
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    16°
    17°
    18°
    18°
    19°
    19°
    19°
    19°
    19°
    18°
    18°
    18°
    17°
    16°
    16°
    15°
    15°
    Feels like temperature (°C)
    15°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    16°
    16°
    15°
    14°
    14°
    13°
    13°
    Wind direction and speed (mph)
    WSW
    2
    E
    2
    ESE
    2
    ESE
    3
    ESE
    3
    ESE
    3
    SE
    3
    SSE
    4
    SSW
    5
    SW
    6
    SSW
    7
    SSW
    9
    SSW
    10
    SSW
    11
    SW
    11
    SW
    12
    SW
    12
    WSW
    12
    WSW
    12
    WSW
    12
    WSW
    11
    WSW
    11
    WSW
    11
    WSW
    11
    Wind gust (mph)
    4
    4
    4
    5
    6
    6
    7
    9
    13
    15
    15
    19
    18
    18
    21
    21
    24
    25
    23
    20
    23
    24
    23
    24
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    Humidity
    97%
    98%
    98%
    98%
    98%
    98%
    98%
    98%
    94%
    89%
    87%
    82%
    79%
    78%
    80%
    83%
    82%
    80%
    80%
    84%
    84%
    81%
    79%
    78%
    UV - - - - - - 1 1 1 1 2 3 3 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 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 Cloudy Cloudy Cloudy Sunny intervals 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%
    20%
    20%
    20%
    30%
    20%
    30%
    30%
    40%
    40%
    40%
    40%
    30%
    30%
    30%
    30%
    30%
    20%
    20%
    20%
    20%
    20%
    30%
    Temperature (°C)
    14°
    14°
    14°
    13°
    13°
    13°
    12°
    12°
    13°
    13°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    13°
    12°
    12°
    11°
    11°
    Feels like temperature (°C)
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    13°
    13°
    13°
    13°
    12°
    11°
    10°
    10°
    10°
    Wind direction and speed (mph)
    WSW
    11
    WSW
    10
    WSW
    10
    WSW
    9
    WSW
    9
    W
    9
    W
    8
    W
    8
    W
    9
    WNW
    10
    WNW
    11
    NW
    11
    NW
    12
    NW
    12
    NW
    12
    NW
    11
    NW
    11
    NW
    10
    NW
    9
    N
    8
    N
    8
    N
    8
    N
    8
    N
    9
    Wind gust (mph)
    22
    22
    21
    19
    18
    17
    16
    18
    19
    23
    24
    21
    21
    19
    19
    20
    19
    18
    15
    15
    15
    15
    16
    16
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    Humidity
    77%
    78%
    80%
    83%
    82%
    81%
    83%
    82%
    79%
    75%
    69%
    68%
    68%
    64%
    64%
    59%
    60%
    64%
    67%
    76%
    79%
    79%
    79%
    80%
    UV - - - - - - 1 1 1 2 2 3 3 3 3 2 1 1 1 - - - - -
    Monday (22 September 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Cloudy Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    30%
    30%
    30%
    30%
    30%
    20%
    10%
    10%
    Temperature (°C)
    11°
    11°
    10°
    13°
    15°
    15°
    13°
    11°
    Feels like temperature (°C)
    10°
    12°
    12°
    10°
    Wind direction and speed (mph)
    N
    9
    N
    9
    N
    10
    N
    10
    NNE
    13
    NNE
    15
    NE
    15
    NNE
    13
    NNE
    11
    Wind gust (mph)
    18
    21
    23
    27
    30
    30
    28
    23
    22
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    81%
    82%
    84%
    85%
    73%
    59%
    54%
    62%
    73%
    UV - - - 1 3 4 1 - -
    Tuesday (23 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 Cloudy Partly cloudy night
    Chance of precipitation
    10%
    20%
    20%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    10°
    10°
    13°
    15°
    15°
    13°
    12°
    Feels like temperature (°C)
    11°
    12°
    12°
    11°
    10°
    Wind direction and speed (mph)
    NNE
    10
    NNE
    10
    N
    10
    NNE
    14
    NE
    16
    NNE
    15
    NNE
    12
    NNE
    11
    Wind gust (mph)
    20
    20
    24
    26
    26
    23
    17
    14
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    78%
    82%
    82%
    70%
    60%
    59%
    72%
    81%
    UV - - 1 3 4 1 - -

    UK video forecast

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    WARNING
    Flood warnings icon
    Flood warnings in force for England
    Flood warnings in force for England

    London & South East England weather forecast

    Headline:

    Unsettled with outbreaks of rain.

    Today:

    A band of rain and low cloud moving through the area early morning, turning heavy at times. The rain easing through the morning, but lingering on and off until the evening. Blustery winds expected. Maximum temperature 19 °C.

    Tonight:

    Generally dry with plenty of low cloud, and a continued risk of some light rain at times. Mist and hill fog possible in places. Minimum temperature 16 °C.

    Thursday:

    Mainly dry with plenty of low cloud at first. The cloud slowly lifting through the morning to leave some brighter spells later on. Gusty winds developing, particularly along the coast. Maximum temperature 22 °C.

    Outlook for Friday to Sunday:

    Unsettled and cloudy with blustery showers and longer spells of rain possible through the period, becoming heavy at times. Turning colder on Sunday.

    Updated:

    UK long range weather forecast

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