Thornhill (Southampton) weather

Forecast days

Sunny changing to cloudy by lunchtime.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution

    7 day forecast for Thornhill

    Today (28 March 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 Partly cloudy night Partly cloudy night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny day Clear night Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    20%
    40%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    20%
    10%
    10%
    20%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed
    NW
    8
    NW
    8
    NW
    8
    NW
    8
    WNW
    7
    WNW
    8
    WNW
    8
    WNW
    10
    NW
    12
    NW
    13
    NW
    14
    NW
    13
    NW
    14
    NW
    14
    NW
    14
    NW
    14
    NW
    14
    NW
    13
    NW
    11
    NW
    10
    NW
    9
    NW
    8
    WNW
    8
    Wind gust (mph)
    19
    19
    17
    18
    17
    17
    19
    25
    28
    29
    30
    29
    29
    31
    31
    30
    28
    25
    22
    20
    19
    18
    18
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    75%
    77%
    80%
    82%
    75%
    65%
    55%
    43%
    40%
    40%
    40%
    41%
    41%
    41%
    41%
    43%
    54%
    58%
    62%
    66%
    71%
    UV - - - - 1 1 1 1 2 3 3 3 2 2 1 1 1 1 - - - - -
    Sunday (29 March 2026)
    Time
    00:00
    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 Sunny day Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Light rain Cloudy Light rain Overcast Overcast Overcast Overcast Overcast Partly cloudy night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    20%
    10%
    40%
    60%
    50%
    50%
    40%
    30%
    20%
    20%
    30%
    30%
    10%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WNW
    7
    WNW
    6
    W
    6
    W
    6
    W
    6
    W
    5
    WSW
    5
    WSW
    4
    WSW
    5
    WSW
    7
    WSW
    10
    WSW
    11
    WSW
    13
    WSW
    14
    WSW
    15
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    15
    WSW
    14
    W
    14
    W
    14
    Wind gust (mph)
    17
    15
    15
    14
    14
    13
    12
    13
    17
    21
    25
    28
    31
    33
    35
    35
    34
    34
    33
    32
    31
    30
    28
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    Humidity
    74%
    76%
    78%
    81%
    84%
    86%
    87%
    82%
    74%
    65%
    59%
    56%
    56%
    59%
    65%
    67%
    73%
    78%
    83%
    85%
    87%
    90%
    85%
    UV - - - - - 1 1 1 1 2 1 2 2 1 1 1 1 1 1 - - - -
    Monday (30 March 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 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%
    <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)
    10°
    10°
    11°
    12°
    12°
    13°
    13°
    12°
    12°
    11°
    10°
    Feels like temperature (°C)
    10°
    10°
    Wind direction and speed (mph)
    W
    13
    WNW
    13
    WNW
    12
    WNW
    11
    WNW
    11
    WNW
    10
    WNW
    10
    W
    10
    W
    10
    WNW
    11
    WNW
    13
    NW
    13
    NW
    14
    NW
    14
    NW
    14
    NW
    14
    NW
    14
    NW
    14
    NW
    13
    NW
    12
    NW
    10
    NW
    9
    NW
    8
    WNW
    8
    Wind gust (mph)
    27
    26
    24
    23
    22
    22
    22
    22
    24
    28
    29
    29
    30
    30
    30
    30
    29
    28
    26
    23
    19
    17
    17
    16
    Visibility (description)
    VG
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    79%
    77%
    75%
    76%
    76%
    77%
    76%
    77%
    75%
    67%
    57%
    54%
    47%
    42%
    40%
    40%
    40%
    40%
    41%
    47%
    55%
    57%
    63%
    66%
    UV - - - - - - 1 1 1 1 1 2 2 2 2 1 1 1 1 1 - - - -
    Tuesday (31 March 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 Cloudy Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy Overcast Cloudy Cloudy Cloudy Cloudy Cloudy Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    20%
    20%
    20%
    20%
    20%
    10%
    20%
    20%
    20%
    20%
    20%
    30%
    20%
    20%
    10%
    10%
    10%
    Temperature (°C)
    10°
    11°
    13°
    14°
    15°
    15°
    15°
    15°
    15°
    14°
    13°
    12°
    11°
    11°
    Feels like temperature (°C)
    10°
    11°
    12°
    13°
    14°
    14°
    14°
    13°
    13°
    11°
    11°
    10°
    Wind direction and speed (mph)
    WNW
    8
    WNW
    7
    WNW
    7
    WNW
    6
    WNW
    6
    WNW
    6
    W
    6
    W
    5
    W
    5
    WNW
    5
    WNW
    6
    WNW
    7
    WNW
    7
    WNW
    7
    NW
    8
    NW
    8
    NW
    8
    NW
    8
    NW
    8
    NW
    8
    NW
    7
    NW
    7
    NW
    7
    NW
    7
    Wind gust (mph)
    16
    15
    14
    14
    14
    13
    13
    12
    12
    15
    16
    17
    17
    17
    19
    18
    18
    17
    17
    16
    15
    14
    13
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    68%
    73%
    75%
    78%
    79%
    80%
    82%
    84%
    83%
    81%
    80%
    76%
    74%
    69%
    67%
    68%
    68%
    67%
    67%
    73%
    78%
    82%
    85%
    87%
    UV - - - - - - 1 1 1 1 2 2 3 2 2 2 1 1 1 1 - - - -
    Wednesday (1 April 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 Cloudy Overcast Overcast Overcast Cloudy Cloudy Overcast
    Chance of precipitation
    10%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    <5%
    Temperature (°C)
    10°
    10°
    11°
    13°
    14°
    13°
    10°
    Feels like temperature (°C)
    10°
    12°
    13°
    11°
    Wind direction and speed (mph)
    NW
    6
    NW
    6
    NW
    6
    NW
    5
    NNW
    6
    NW
    7
    NW
    7
    W
    7
    NW
    6
    Wind gust (mph)
    13
    13
    12
    13
    16
    17
    16
    13
    11
    Visibility (description)
    VG
    G
    G
    M
    VG
    VG
    VG
    VG
    G
    Humidity
    88%
    88%
    89%
    90%
    78%
    64%
    61%
    69%
    78%
    UV - - - 1 1 2 1 1 -
    Thursday (2 April 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    <5%
    <5%
    10%
    10%
    10%
    <5%
    10%
    10%
    Temperature (°C)
    10°
    12°
    13°
    11°
    Feels like temperature (°C)
    11°
    11°
    10°
    Wind direction and speed (mph)
    NNE
    5
    ENE
    4
    NE
    4
    SSE
    5
    S
    7
    SSW
    8
    SSW
    8
    SSW
    7
    Wind gust (mph)
    9
    8
    11
    15
    17
    17
    15
    14
    Visibility (description)
    M
    M
    M
    G
    VG
    VG
    VG
    G
    Humidity
    84%
    88%
    91%
    80%
    68%
    66%
    73%
    82%
    UV - - 1 2 3 1 1 -
    Friday (3 April 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    20%
    20%
    20%
    20%
    20%
    30%
    30%
    30%
    Temperature (°C)
    10°
    12°
    12°
    11°
    10°
    Feels like temperature (°C)
    10°
    10°
    Wind direction and speed (mph)
    S
    7
    S
    7
    SSW
    7
    SW
    10
    SW
    12
    SSW
    12
    SW
    10
    SW
    8
    Wind gust (mph)
    14
    14
    19
    23
    25
    24
    20
    17
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    G
    G
    Humidity
    86%
    88%
    88%
    79%
    63%
    65%
    76%
    85%
    UV - - 1 2 3 1 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:

    Cold overnight. Saturday, bright start, showers moving south. Chilly, breezy.

    This Evening and Tonight:

    Residual rain soon clearing away this evening, with cloud breaking to clear spells overnight. Winds also easing and turning cold with a patchy rural frost possible. Minimum temperature 2 °C.

    Saturday:

    Bright start to the morning, however cloud increasing, especially after midday, as blustery showers spread south. The showers clearing into the evening, with clear spells developing. Chilly with brisk winds. Maximum temperature 11 °C.

    Outlook for Sunday to Tuesday:

    Chilly start Sunday, but rain and strong winds spreading southeast, clearing later. Breezy Monday, with bright spells and isolated showers. Cloudier Tuesday, perhaps some light rain, but also milder.

    Updated:

    UK long range weather forecast

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