Southampton (Southampton) weather

Forecast days

Sunny intervals changing to cloudy by early evening.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

    7 day forecast for Southampton

    Today (16 September 2025)
    Time
    13:00
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    40%
    20%
    10%
    10%
    <5%
    <5%
    10%
    10%
    <5%
    10%
    20%
    Temperature
    18°
    18°
    18°
    18°
    17°
    17°
    16°
    15°
    14°
    14°
    14°
    Feels like temperature (°C)
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    14°
    Wind direction and speed
    W
    12
    W
    12
    W
    12
    WSW
    12
    WSW
    12
    WSW
    11
    WSW
    9
    WSW
    7
    WSW
    6
    WSW
    5
    SW
    5
    Wind gust (mph)
    28
    28
    29
    28
    25
    22
    18
    16
    14
    12
    11
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    54%
    54%
    54%
    55%
    59%
    65%
    70%
    75%
    78%
    81%
    84%
    UV 4 3 2 1 1 1 1 - - - -
    Wednesday (17 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 Heavy rain Heavy rain Light rain Light rain Light rain Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    60%
    70%
    80%
    90%
    ≥95%
    ≥95%
    90%
    70%
    50%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    16°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    14°
    14°
    14°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    Wind direction and speed (mph)
    SW
    4
    SW
    4
    SSW
    5
    SSW
    5
    SSW
    6
    SSW
    8
    SSW
    9
    SSW
    10
    SSW
    11
    SW
    13
    SW
    14
    SW
    15
    SW
    15
    SW
    15
    SW
    14
    SW
    14
    SW
    13
    SW
    13
    SW
    12
    SW
    11
    SW
    10
    SW
    9
    SW
    9
    SW
    9
    Wind gust (mph)
    10
    10
    11
    14
    19
    23
    26
    28
    29
    31
    33
    34
    34
    33
    33
    32
    30
    29
    27
    25
    25
    23
    23
    23
    Visibility (description)
    VG
    VG
    VG
    VG
    M
    M
    M
    M
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    84%
    87%
    91%
    92%
    93%
    95%
    95%
    96%
    93%
    92%
    87%
    86%
    85%
    84%
    85%
    85%
    85%
    86%
    87%
    88%
    90%
    91%
    91%
    91%
    UV - - - - - - 1 1 1 1 1 2 2 2 2 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 Cloudy Cloudy Cloudy Cloudy Overcast Cloudy Sunny intervals Sunny intervals Cloudy Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    18°
    18°
    19°
    20°
    20°
    20°
    20°
    20°
    19°
    19°
    18°
    18°
    17°
    17°
    17°
    Feels like temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    Wind direction and speed (mph)
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    10
    SW
    11
    SW
    12
    SW
    13
    SW
    14
    SW
    14
    SW
    14
    SW
    14
    SW
    13
    SW
    11
    SSW
    9
    SSW
    7
    SSW
    5
    SSW
    5
    SSW
    4
    Wind gust (mph)
    23
    23
    23
    23
    23
    23
    23
    23
    24
    26
    28
    30
    30
    30
    30
    29
    27
    25
    20
    16
    14
    12
    10
    8
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    92%
    92%
    92%
    92%
    92%
    92%
    92%
    92%
    90%
    86%
    84%
    77%
    75%
    74%
    73%
    74%
    75%
    75%
    78%
    83%
    84%
    86%
    87%
    89%
    UV - - - - - - 1 1 1 1 1 1 3 2 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Cloudy Overcast Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    20%
    20%
    20%
    30%
    30%
    30%
    Temperature (°C)
    17°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    18°
    18°
    19°
    20°
    20°
    20°
    20°
    19°
    18°
    18°
    17°
    17°
    16°
    16°
    Feels like temperature (°C)
    17°
    17°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    18°
    18°
    19°
    19°
    18°
    18°
    18°
    17°
    17°
    17°
    16°
    16°
    16°
    Wind direction and speed (mph)
    S
    4
    S
    4
    S
    4
    S
    4
    SSW
    4
    SSW
    4
    SSW
    4
    S
    4
    S
    4
    SSW
    6
    SSW
    8
    SSW
    9
    SSW
    9
    SSW
    10
    SSW
    10
    SW
    11
    SSW
    11
    SW
    10
    SW
    9
    SW
    8
    SW
    6
    SW
    5
    SW
    5
    SW
    5
    Wind gust (mph)
    8
    8
    9
    9
    8
    8
    8
    8
    13
    16
    18
    19
    19
    20
    21
    21
    21
    19
    17
    15
    12
    11
    11
    10
    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
    90%
    91%
    92%
    92%
    92%
    92%
    92%
    93%
    90%
    85%
    82%
    79%
    75%
    74%
    75%
    74%
    75%
    78%
    81%
    85%
    87%
    88%
    90%
    91%
    UV - - - - - - 1 1 1 1 2 3 3 3 3 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 Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Light shower day 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
    40%
    40%
    30%
    40%
    40%
    30%
    30%
    40%
    50%
    40%
    30%
    40%
    50%
    50%
    60%
    60%
    50%
    40%
    40%
    30%
    30%
    30%
    20%
    20%
    Temperature (°C)
    16°
    16°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    15°
    15°
    16°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    15°
    14°
    13°
    13°
    13°
    Feels like temperature (°C)
    16°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    14°
    15°
    16°
    16°
    16°
    15°
    15°
    15°
    14°
    13°
    13°
    12°
    12°
    12°
    Wind direction and speed (mph)
    SSW
    5
    SW
    5
    SW
    5
    WSW
    4
    WSW
    4
    SW
    4
    WSW
    4
    WSW
    5
    W
    6
    WSW
    7
    WNW
    7
    WSW
    8
    WSW
    9
    W
    9
    W
    10
    WNW
    10
    W
    10
    W
    10
    WNW
    10
    WNW
    9
    WNW
    8
    WNW
    7
    WNW
    7
    NW
    7
    Wind gust (mph)
    10
    9
    9
    9
    8
    9
    9
    10
    11
    12
    13
    13
    15
    18
    16
    13
    17
    19
    17
    17
    17
    16
    15
    15
    Visibility (description)
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    92%
    93%
    94%
    94%
    94%
    94%
    94%
    94%
    92%
    90%
    89%
    87%
    82%
    82%
    75%
    71%
    73%
    75%
    78%
    80%
    83%
    84%
    86%
    86%
    UV - - - - - - 1 1 1 1 1 2 2 2 2 2 1 1 1 1 - - - -
    Sunday (21 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 Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    20%
    20%
    30%
    40%
    40%
    20%
    20%
    10%
    Temperature (°C)
    12°
    12°
    11°
    10°
    12°
    14°
    14°
    12°
    11°
    Feels like temperature (°C)
    11°
    11°
    10°
    12°
    12°
    10°
    Wind direction and speed (mph)
    NW
    7
    NW
    7
    NW
    7
    NW
    8
    NNW
    11
    NNW
    12
    N
    13
    N
    11
    N
    9
    Wind gust (mph)
    14
    13
    12
    19
    25
    23
    23
    15
    16
    Visibility (description)
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    87%
    86%
    88%
    88%
    78%
    65%
    59%
    63%
    70%
    UV - - - 1 2 4 1 1 -
    Monday (22 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 Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    10°
    11°
    14°
    15°
    13°
    11°
    Feels like temperature (°C)
    12°
    12°
    11°
    Wind direction and speed (mph)
    N
    9
    N
    9
    N
    9
    NNE
    11
    NNE
    13
    NNE
    13
    NNE
    11
    NNE
    9
    Wind gust (mph)
    15
    14
    19
    21
    21
    19
    14
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    79%
    80%
    71%
    53%
    50%
    59%
    69%
    UV - - 1 3 4 1 1 -

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    Flood warnings in force for England
    Flood warnings in force for England

    London & South East England weather forecast

    Headline:

    Sunny spells

    Today:

    A breezy day with some good sunny spells and patchy cloud, sunshine perhaps becoming hazy during the afternoon as cloud starts to build. Feeling warm in the sunshine Maximum temperature 20 °C.

    Tonight:

    Some clear spells initially but cloud building from the west through the evening with rain arriving early Wednesday morning. Winds easing for a time but becoming breezy again by dawn. Minimum temperature 11 °C.

    Wednesday:

    Unsettled with cloud and rain for much of the day, perhaps persistent and at times heavy during the morning, with some drier interludes developing later. Breezy. Maximum temperature 20 °C.

    Outlook for Thursday to Saturday:

    Breezy on Thursday with sunny spells and remaining largely dry. Winds ease on Friday, but becoming mostly cloudy with outbreaks of rain developing, turning heavy at times on Saturday.

    Updated:

    UK long range weather forecast

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