Thorney Island (West Sussex) weather

Forecast days

Overcast changing to sunny intervals by late morning.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
Next high tide: for
West Wittering (Beach)

    7 day forecast for Thorney Island

    Today (7 September 2026)
    Time
    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 Sunny intervals Sunny intervals Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Sunny intervals Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    10%
    20%
    <5%
    <5%
    <5%
    <5%
    20%
    20%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    10%
    20%
    Temperature
    18°
    19°
    19°
    21°
    22°
    22°
    22°
    22°
    22°
    22°
    22°
    21°
    20°
    19°
    19°
    18°
    18°
    Feels like temperature (°C)
    18°
    19°
    19°
    20°
    20°
    20°
    20°
    20°
    20°
    19°
    19°
    18°
    16°
    16°
    16°
    16°
    16°
    Wind direction and speed
    WSW
    6
    SW
    7
    WSW
    9
    WSW
    9
    WSW
    11
    WSW
    13
    SW
    15
    SW
    15
    SW
    16
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    14
    WSW
    13
    WSW
    10
    Wind gust (mph)
    19
    20
    21
    22
    23
    26
    28
    28
    27
    26
    26
    25
    24
    23
    23
    22
    22
    Visibility
    M
    M
    G
    VG
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    95%
    93%
    92%
    81%
    75%
    76%
    75%
    70%
    72%
    67%
    63%
    62%
    65%
    67%
    69%
    72%
    72%
    UV 1 1 2 3 3 3 3 4 3 2 1 1 1 - - - -
    Tuesday (8 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 Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light shower day Light shower day Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night
    Chance of precipitation
    50%
    90%
    90%
    90%
    ≥95%
    ≥95%
    90%
    90%
    90%
    80%
    80%
    80%
    70%
    60%
    40%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    18°
    17°
    17°
    16°
    16°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    17°
    18°
    19°
    20°
    21°
    20°
    19°
    18°
    16°
    15°
    14°
    14°
    Feels like temperature (°C)
    16°
    16°
    15°
    15°
    14°
    14°
    14°
    13°
    14°
    14°
    15°
    15°
    16°
    17°
    17°
    16°
    17°
    16°
    15°
    14°
    13°
    12°
    12°
    12°
    Wind direction and speed (mph)
    W
    9
    W
    9
    WSW
    9
    WSW
    9
    WSW
    9
    WSW
    10
    WSW
    10
    WSW
    9
    WSW
    8
    WSW
    9
    W
    9
    W
    9
    W
    9
    WNW
    9
    WNW
    10
    WNW
    14
    WNW
    15
    WNW
    15
    WNW
    15
    WNW
    14
    WNW
    13
    WNW
    11
    WNW
    11
    WNW
    10
    Wind gust (mph)
    21
    23
    22
    23
    23
    23
    22
    23
    22
    21
    20
    19
    19
    21
    22
    25
    26
    26
    25
    24
    24
    24
    23
    22
    Visibility (description)
    VG
    VG
    G
    G
    M
    M
    M
    M
    M
    M
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    73%
    75%
    81%
    86%
    89%
    91%
    91%
    93%
    93%
    92%
    91%
    89%
    85%
    80%
    72%
    55%
    48%
    43%
    43%
    47%
    54%
    60%
    64%
    71%
    UV - - - - - - 1 1 1 1 1 2 4 5 4 3 2 1 1 1 - - - -
    Wednesday (9 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 Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy 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%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    13°
    13°
    12°
    12°
    12°
    12°
    12°
    11°
    12°
    14°
    16°
    17°
    18°
    19°
    19°
    19°
    20°
    19°
    19°
    18°
    16°
    16°
    15°
    14°
    Feels like temperature (°C)
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    11°
    12°
    14°
    15°
    16°
    16°
    17°
    17°
    18°
    18°
    17°
    17°
    16°
    15°
    14°
    13°
    Wind direction and speed (mph)
    WNW
    10
    WNW
    10
    WNW
    9
    WNW
    9
    WNW
    9
    WNW
    9
    WNW
    9
    WNW
    9
    WNW
    9
    NW
    10
    NW
    10
    NW
    10
    NW
    9
    NW
    9
    NW
    8
    NW
    8
    NW
    6
    NW
    6
    NW
    6
    WNW
    5
    WNW
    5
    NW
    5
    WNW
    5
    NW
    5
    Wind gust (mph)
    23
    22
    22
    22
    22
    21
    20
    20
    21
    21
    20
    19
    17
    17
    16
    16
    14
    14
    13
    12
    12
    11
    12
    12
    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
    73%
    76%
    79%
    81%
    83%
    84%
    84%
    84%
    77%
    71%
    63%
    55%
    52%
    44%
    41%
    41%
    40%
    40%
    43%
    57%
    63%
    64%
    66%
    68%
    UV - - - - - - 1 1 1 2 3 4 5 5 4 3 2 1 1 1 - - - -
    Thursday (10 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 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 Cloudy Cloudy Cloudy
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    13°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    12°
    14°
    17°
    18°
    19°
    19°
    20°
    19°
    19°
    19°
    18°
    18°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    13°
    12°
    11°
    11°
    11°
    11°
    11°
    10°
    12°
    14°
    16°
    17°
    18°
    18°
    17°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    15°
    15°
    Wind direction and speed (mph)
    NNW
    5
    NNW
    5
    NNW
    5
    NW
    3
    NW
    3
    NNW
    3
    NNW
    3
    NNW
    4
    N
    4
    NE
    4
    SW
    5
    SW
    6
    SSW
    8
    SSW
    9
    SW
    11
    SW
    14
    SW
    14
    SW
    13
    SW
    13
    SW
    11
    SW
    11
    SW
    11
    SW
    11
    SW
    13
    Wind gust (mph)
    11
    10
    10
    10
    10
    9
    9
    9
    10
    12
    14
    16
    19
    20
    21
    22
    22
    21
    19
    17
    18
    18
    20
    21
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    72%
    75%
    76%
    77%
    79%
    82%
    84%
    83%
    75%
    71%
    64%
    58%
    56%
    57%
    58%
    59%
    59%
    59%
    60%
    66%
    68%
    72%
    74%
    75%
    UV - - - - - - 1 1 1 1 3 3 4 4 3 3 2 1 1 1 - - - -
    Friday (11 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 Cloudy Overcast Overcast Overcast Overcast Cloudy Cloudy 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 Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    20%
    40%
    50%
    40%
    30%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    17°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    18°
    19°
    19°
    20°
    21°
    21°
    21°
    21°
    21°
    20°
    19°
    18°
    17°
    17°
    16°
    Feels like temperature (°C)
    14°
    14°
    14°
    15°
    16°
    16°
    16°
    16°
    16°
    17°
    18°
    18°
    19°
    19°
    19°
    20°
    20°
    19°
    19°
    19°
    17°
    17°
    16°
    16°
    Wind direction and speed (mph)
    SW
    14
    SW
    14
    SW
    13
    WSW
    13
    WSW
    10
    WSW
    10
    WSW
    9
    WSW
    8
    W
    9
    W
    9
    WNW
    8
    WNW
    9
    W
    9
    W
    9
    W
    9
    W
    9
    W
    9
    W
    9
    W
    8
    W
    7
    WNW
    7
    WNW
    7
    WNW
    6
    NW
    6
    Wind gust (mph)
    21
    21
    21
    21
    20
    19
    18
    17
    16
    17
    17
    17
    17
    17
    17
    18
    18
    18
    17
    17
    16
    15
    14
    13
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    Humidity
    75%
    76%
    78%
    82%
    87%
    90%
    90%
    92%
    89%
    85%
    78%
    71%
    65%
    59%
    57%
    57%
    56%
    57%
    59%
    67%
    73%
    76%
    78%
    81%
    UV - - - - - - 1 1 1 2 3 4 4 4 4 3 2 1 1 1 - - - -
    Saturday (12 September 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 Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Overcast Overcast
    Chance of precipitation
    <5%
    10%
    10%
    10%
    10%
    20%
    20%
    20%
    20%
    Temperature (°C)
    16°
    14°
    14°
    13°
    17°
    20°
    21°
    19°
    18°
    Feels like temperature (°C)
    15°
    14°
    13°
    12°
    17°
    18°
    19°
    18°
    17°
    Wind direction and speed (mph)
    NW
    5
    NW
    5
    NW
    5
    W
    5
    WSW
    6
    SW
    9
    SW
    9
    WSW
    8
    WSW
    8
    Wind gust (mph)
    13
    9
    8
    12
    17
    20
    20
    16
    15
    Visibility (description)
    G
    G
    G
    M
    G
    G
    VG
    G
    G
    Humidity
    84%
    85%
    91%
    94%
    77%
    67%
    68%
    79%
    88%
    UV - - - 1 3 4 2 1 -
    Sunday (13 September 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Mist Mist Overcast Overcast Cloudy Sunny intervals Partly cloudy night Cloudy
    Chance of precipitation
    20%
    20%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    17°
    16°
    16°
    18°
    21°
    21°
    19°
    17°
    Feels like temperature (°C)
    16°
    16°
    16°
    17°
    20°
    21°
    18°
    16°
    Wind direction and speed (mph)
    WSW
    7
    WSW
    8
    W
    8
    W
    8
    W
    9
    WSW
    8
    WSW
    9
    W
    9
    Wind gust (mph)
    15
    14
    16
    19
    19
    17
    13
    11
    Visibility (description)
    M
    M
    P
    G
    VG
    VG
    G
    G
    Humidity
    92%
    93%
    94%
    87%
    73%
    69%
    77%
    86%
    UV - - 1 2 4 2 1 -

    UK video forecast

    Thorney Island weather map

    View the weather with our interactive map

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    London & South East England weather forecast

    Headline:

    Becoming cloudy with patchy rain this morning. Sunny later.

    Today:

    Early sunny spells in the east giving way to cloud and rain or showers moving southeast, but this clearing during the afternoon. Becoming dry and bright with sunny spells later. Warm, perhaps very warm in Kent. Breezy on Kent coasts. Maximum temperature 25 °C.

    Tonight:

    Early evening sunny spells giving way to wet conditions later in the evening. Rain, occasionally heavy, moving southeastwards overnight. Occasionally breezy on coasts. Minimum temperature 12 °C.

    Tuesday:

    Early rain, occasionally heavy, clearing away late morning to early afternoon. Then mostly dry with sunny spells. Breezy. Maximum temperature 21 °C.

    Outlook for Wednesday to Friday:

    Sunny spells and isolated showers Wednesday, wind easing. Mostly dry Thursday, with hazy sunshine. Early rain and breeze Friday clearing later. Temperatures around average for early September.

    Updated:

    UK long range weather forecast