Syon House (Greater London) weather

Forecast days

Overcast changing to sunny intervals by lunchtime.
Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution
No pollen data.

    7 day forecast for Syon House

    Today (15 October 2026)
    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 Overcast Overcast Overcast Cloudy Cloudy Cloudy 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 Partly cloudy night
    Chance of precipitation
    <5%
    10%
    10%
    <5%
    <5%
    <5%
    10%
    <5%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    16°
    16°
    16°
    17°
    17°
    18°
    19°
    20°
    20°
    21°
    21°
    20°
    20°
    19°
    18°
    17°
    17°
    17°
    16°
    Feels like temperature (°C)
    16°
    16°
    16°
    16°
    17°
    18°
    19°
    19°
    19°
    20°
    19°
    19°
    19°
    19°
    18°
    17°
    17°
    17°
    16°
    Wind direction and speed
    SSW
    5
    SSW
    6
    SSW
    6
    SSW
    6
    SSW
    6
    SSW
    6
    SSW
    7
    SSW
    9
    SSW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    7
    SSW
    6
    SSW
    6
    SSW
    6
    SSW
    5
    SSW
    5
    Wind gust (mph)
    17
    17
    18
    20
    22
    23
    26
    27
    28
    28
    27
    26
    23
    20
    19
    19
    17
    17
    17
    Visibility
    G
    M
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    Humidity
    92%
    91%
    91%
    92%
    90%
    85%
    83%
    76%
    70%
    67%
    68%
    69%
    73%
    76%
    80%
    85%
    86%
    88%
    90%
    UV - - 1 1 1 1 2 2 2 2 1 1 1 1 - - - - -
    Friday (16 October 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 Overcast Light rain Heavy rain Heavy rain Light rain Light rain Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    10%
    20%
    50%
    80%
    90%
    80%
    80%
    60%
    30%
    20%
    20%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    Temperature (°C)
    16°
    16°
    16°
    16°
    15°
    14°
    13°
    12°
    11°
    12°
    12°
    13°
    15°
    15°
    16°
    16°
    16°
    15°
    14°
    13°
    11°
    11°
    11°
    10°
    Feels like temperature (°C)
    16°
    16°
    16°
    16°
    14°
    13°
    12°
    11°
    10°
    11°
    11°
    12°
    13°
    14°
    14°
    14°
    14°
    14°
    13°
    12°
    10°
    10°
    10°
    9°
    Wind direction and speed (mph)
    SSW
    5
    SSW
    5
    SW
    5
    SW
    6
    W
    6
    NW
    6
    NNW
    6
    NNW
    6
    NNW
    5
    NW
    5
    NNW
    6
    NNW
    6
    NNW
    6
    NNW
    6
    NNW
    7
    NNW
    6
    NNW
    7
    NNW
    6
    NNW
    6
    NNW
    6
    NNW
    6
    NNW
    5
    NNW
    5
    NNW
    5
    Wind gust (mph)
    17
    17
    17
    20
    22
    21
    19
    17
    17
    19
    21
    22
    23
    23
    23
    23
    22
    21
    18
    18
    17
    16
    15
    15
    Visibility (description)
    G
    G
    VG
    VG
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    VG
    VG
    VG
    Humidity
    91%
    91%
    90%
    89%
    90%
    92%
    90%
    88%
    86%
    85%
    78%
    67%
    56%
    44%
    41%
    40%
    40%
    40%
    44%
    54%
    57%
    62%
    65%
    69%
    UV - - - - - - - 1 1 1 2 2 2 2 2 1 1 1 1 - - - - -
    Saturday (17 October 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 Clear night Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Clear night Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    20%
    30%
    30%
    40%
    30%
    20%
    10%
    <5%
    10%
    10%
    10%
    Temperature (°C)
    9°
    9°
    8°
    8°
    8°
    7°
    7°
    7°
    7°
    8°
    9°
    11°
    13°
    14°
    14°
    14°
    14°
    13°
    12°
    12°
    11°
    10°
    10°
    9°
    Feels like temperature (°C)
    8°
    8°
    7°
    7°
    6°
    6°
    6°
    6°
    5°
    6°
    8°
    10°
    11°
    12°
    12°
    12°
    12°
    11°
    11°
    10°
    10°
    9°
    8°
    8°
    Wind direction and speed (mph)
    NNW
    5
    NNW
    5
    NNW
    5
    NNW
    5
    NNW
    5
    NNW
    5
    NNW
    5
    N
    5
    N
    5
    N
    6
    N
    6
    N
    7
    NNE
    8
    NNE
    9
    NNE
    9
    NNE
    9
    NNE
    9
    NNE
    9
    NNE
    8
    NNE
    7
    NNE
    6
    N
    6
    N
    6
    N
    6
    Wind gust (mph)
    14
    14
    13
    14
    14
    14
    15
    15
    17
    19
    22
    25
    26
    26
    27
    27
    26
    25
    22
    21
    19
    19
    18
    18
    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
    72%
    74%
    75%
    76%
    78%
    79%
    79%
    81%
    81%
    75%
    73%
    65%
    56%
    51%
    50%
    48%
    50%
    53%
    56%
    58%
    61%
    65%
    67%
    69%
    UV - - - - - - - 1 1 1 2 2 2 2 2 1 1 1 1 - - - - -
    Sunday (18 October 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 Partly cloudy night 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 Cloudy Cloudy
    Chance of precipitation
    10%
    20%
    20%
    20%
    20%
    30%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    50%
    50%
    40%
    40%
    40%
    30%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    9°
    9°
    9°
    9°
    8°
    8°
    8°
    8°
    8°
    9°
    10°
    12°
    13°
    14°
    14°
    14°
    14°
    13°
    13°
    12°
    11°
    11°
    11°
    10°
    Feels like temperature (°C)
    7°
    7°
    7°
    7°
    7°
    7°
    7°
    7°
    6°
    7°
    9°
    10°
    11°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    10°
    9°
    9°
    9°
    Wind direction and speed (mph)
    N
    6
    N
    6
    N
    6
    N
    6
    N
    6
    N
    6
    NNE
    6
    NNE
    6
    NNE
    7
    NNE
    7
    NNE
    7
    NNE
    7
    NE
    8
    NE
    8
    NE
    9
    NE
    9
    NE
    9
    NE
    9
    NE
    9
    NE
    7
    NE
    7
    NE
    7
    NNE
    7
    NE
    7
    Wind gust (mph)
    19
    19
    19
    19
    20
    20
    20
    19
    19
    21
    23
    26
    27
    27
    28
    26
    25
    23
    22
    21
    21
    20
    20
    19
    Visibility (description)
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    70%
    72%
    73%
    75%
    75%
    77%
    77%
    78%
    78%
    76%
    72%
    65%
    57%
    53%
    55%
    56%
    56%
    57%
    60%
    66%
    69%
    68%
    72%
    73%
    UV - - - - - - - 1 1 1 1 2 2 2 2 1 1 1 1 - - - - -
    Monday (19 October 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 Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy 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 Partly cloudy night
    Chance of precipitation
    30%
    30%
    30%
    30%
    30%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    10%
    20%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    10%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    12°
    13°
    14°
    14°
    14°
    15°
    15°
    14°
    14°
    13°
    12°
    12°
    11°
    11°
    Feels like temperature (°C)
    9°
    9°
    8°
    9°
    8°
    8°
    9°
    9°
    8°
    10°
    11°
    11°
    13°
    13°
    13°
    14°
    13°
    13°
    12°
    12°
    11°
    11°
    10°
    10°
    Wind direction and speed (mph)
    NNE
    6
    NNE
    6
    NE
    6
    NE
    6
    NE
    6
    NNE
    6
    NNE
    6
    NNE
    6
    NE
    6
    NE
    6
    NE
    6
    NE
    7
    NE
    7
    ENE
    7
    ENE
    7
    ENE
    8
    ENE
    7
    ENE
    7
    ENE
    7
    ENE
    7
    ENE
    6
    ENE
    6
    ENE
    5
    ENE
    4
    Wind gust (mph)
    19
    19
    19
    18
    19
    19
    19
    19
    20
    22
    23
    25
    26
    26
    26
    26
    25
    22
    22
    22
    20
    18
    17
    15
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    –
    Humidity
    75%
    75%
    76%
    77%
    78%
    78%
    80%
    80%
    81%
    81%
    78%
    75%
    71%
    68%
    66%
    64%
    64%
    66%
    71%
    75%
    77%
    79%
    80%
    81%
    UV - - - - - - - 1 1 1 1 2 2 2 2 1 1 1 - - - - - -
    Tuesday (20 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 Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation –
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    20%
    Temperature (°C)
    10°
    10°
    10°
    10°
    12°
    14°
    15°
    14°
    12°
    Feels like temperature (°C)
    10°
    10°
    10°
    9°
    11°
    13°
    14°
    13°
    11°
    Wind direction and speed (mph)
    ENE
    3
    ENE
    3
    ENE
    3
    ENE
    3
    ENE
    4
    E
    6
    E
    6
    E
    5
    E
    3
    Wind gust (mph) –
    13
    13
    13
    18
    19
    19
    17
    12
    Visibility (description) –
    G
    M
    M
    M
    G
    G
    G
    G
    Humidity
    82%
    83%
    85%
    89%
    85%
    73%
    65%
    73%
    81%
    UV No UV data - - 1 1 2 1 - -
    Wednesday (21 October 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    20%
    20%
    20%
    20%
    20%
    30%
    20%
    Temperature (°C)
    11°
    10°
    10°
    12°
    14°
    15°
    14°
    12°
    Feels like temperature (°C)
    11°
    10°
    10°
    12°
    14°
    15°
    14°
    11°
    Wind direction and speed (mph)
    ENE
    3
    ENE
    2
    ENE
    3
    E
    3
    ESE
    4
    ESE
    4
    ESE
    5
    SE
    5
    Wind gust (mph)
    10
    9
    12
    13
    16
    17
    15
    14
    Visibility (description)
    G
    G
    M
    M
    G
    G
    G
    M
    Humidity
    87%
    91%
    93%
    91%
    77%
    68%
    77%
    85%
    UV - - 1 1 2 1 - -

    UK video forecast

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    Flood warnings and alerts

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    London & South East England weather forecast

    Headline:

    Cloudy and breezy with rain this evening.

    Today:

    Mostly cloudy and rather warm Thursday, with the chance of a few sunny spells developing later in the afternoon. Remaining dry throughout, with winds generally light. Maximum temperature 21 °C.

    Tonight:

    Overnight cloudy with a band of rain, heavy at times moving in, sinking slowly southeastwards through the region by dawn. Winds gradually easing overnight. Minimum temperature 10 °C.

    Friday:

    A mild and wet start, skies slowly clearing from the north from late morning. Chance of some showers developing during the afternoon along the Kent coast. Maximum temperature 15 °C.

    Outlook for Saturday to Monday:

    Cooler through this period, with sunny spells and isolated showers. Showers become more frequent and heavier on Monday. Winds mostly light, but breezy at times near coasts.

    Updated:

    UK long range weather forecast