Portsmouth (Portsmouth) weather

Forecast days

Clear.
Sunrise iconSunrise:
Sunset iconSunset:
H UV
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    8 day forecast for Portsmouth

    Today (18 May 2025)
    Time
    21:00
    22:00
    23:00
    Weather symbols Clear night Clear night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    Temperature
    13°
    12°
    11°
    Feels like temperature (°C)
    12°
    12°
    11°
    Wind direction and speed
    SSE
    4
    S
    3
    SSE
    2
    Wind gust (mph)
    8
    5
    4
    Visibility
    G
    G
    G
    Humidity
    81%
    83%
    85%
    UV - - -
    Monday (19 May 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 Clear night Clear night Clear night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear 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)
    11°
    11°
    10°
    10°
    10°
    11°
    13°
    14°
    15°
    16°
    17°
    17°
    17°
    17°
    18°
    18°
    18°
    17°
    16°
    15°
    14°
    Feels like temperature (°C)
    11°
    11°
    10°
    10°
    11°
    13°
    14°
    14°
    15°
    15°
    15°
    16°
    16°
    17°
    17°
    17°
    15°
    14°
    12°
    Wind direction and speed (mph)
    ESE
    3
    E
    3
    ENE
    4
    ENE
    5
    ENE
    6
    ENE
    6
    ENE
    7
    ENE
    7
    ENE
    8
    ENE
    8
    E
    8
    ESE
    8
    ESE
    8
    SE
    9
    SSE
    9
    SSE
    9
    SSE
    8
    SSE
    7
    SE
    6
    SE
    5
    ESE
    5
    E
    5
    ENE
    6
    ENE
    6
    Wind gust (mph)
    6
    8
    12
    16
    16
    16
    18
    18
    19
    19
    20
    20
    20
    21
    20
    20
    18
    15
    13
    9
    9
    12
    14
    13
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    85%
    85%
    86%
    85%
    85%
    85%
    85%
    81%
    75%
    66%
    63%
    56%
    53%
    49%
    48%
    51%
    46%
    44%
    42%
    44%
    53%
    59%
    57%
    60%
    UV - - - - - 1 1 1 2 3 5 6 7 7 6 5 3 2 1 1 1 - - -
    Tuesday (20 May 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    20%
    10%
    <5%
    Temperature (°C)
    13°
    12°
    11°
    11°
    17°
    20°
    21°
    19°
    16°
    Feels like temperature (°C)
    11°
    11°
    10°
    10°
    16°
    18°
    18°
    16°
    15°
    Wind direction and speed (mph)
    NE
    6
    NE
    6
    NNE
    5
    NNE
    5
    NNE
    7
    ENE
    5
    SSW
    8
    W
    10
    WNW
    6
    Wind gust (mph)
    14
    13
    10
    16
    17
    18
    21
    17
    12
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    62%
    65%
    69%
    66%
    43%
    36%
    33%
    42%
    55%
    UV - - - 1 5 7 3 1 -
    Wednesday (21 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Sunny intervals Light shower day Light shower day Sunny intervals Sunny intervals Clear night
    Chance of precipitation
    20%
    30%
    40%
    50%
    50%
    40%
    20%
    <5%
    Temperature (°C)
    14°
    12°
    12°
    15°
    17°
    17°
    16°
    14°
    Feels like temperature (°C)
    13°
    11°
    11°
    14°
    15°
    15°
    15°
    12°
    Wind direction and speed (mph)
    NW
    4
    NW
    5
    NW
    5
    NW
    7
    WNW
    8
    W
    9
    WNW
    8
    N
    7
    Wind gust (mph)
    9
    12
    16
    19
    15
    17
    16
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    67%
    76%
    76%
    60%
    51%
    52%
    57%
    72%
    UV - - 1 3 4 2 1 -
    Thursday (22 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    20%
    20%
    10%
    <5%
    Temperature (°C)
    11°
    10°
    10°
    14°
    16°
    17°
    15°
    13°
    Feels like temperature (°C)
    10°
    12°
    14°
    14°
    13°
    11°
    Wind direction and speed (mph)
    NE
    6
    N
    5
    NNE
    5
    N
    6
    NNW
    8
    WNW
    10
    WSW
    10
    NE
    6
    Wind gust (mph)
    13
    11
    14
    19
    23
    23
    17
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    E
    E
    E
    VG
    Humidity
    72%
    75%
    73%
    51%
    41%
    40%
    52%
    62%
    UV - - 1 5 6 3 1 -
    Friday (23 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Sunny intervals Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    10°
    13°
    15°
    16°
    15°
    13°
    Feels like temperature (°C)
    12°
    13°
    14°
    13°
    11°
    Wind direction and speed (mph)
    NE
    5
    NNE
    4
    N
    4
    NW
    7
    WNW
    9
    W
    9
    WSW
    9
    W
    6
    Wind gust (mph)
    10
    9
    13
    18
    18
    16
    14
    10
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    G
    VG
    VG
    Humidity
    66%
    73%
    66%
    51%
    44%
    43%
    47%
    62%
    UV - - 1 5 6 3 1 -
    Saturday (24 May 2025)
    Time
    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 Cloudy Cloudy
    Chance of precipitation
    10%
    20%
    20%
    30%
    20%
    20%
    30%
    30%
    Temperature (°C)
    11°
    10°
    11°
    15°
    16°
    17°
    15°
    14°
    Feels like temperature (°C)
    10°
    13°
    14°
    14°
    13°
    12°
    Wind direction and speed (mph)
    W
    6
    W
    6
    WSW
    6
    WSW
    9
    SW
    11
    SW
    11
    SW
    11
    SW
    8
    Wind gust (mph)
    7
    8
    16
    19
    21
    21
    17
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    G
    G
    VG
    G
    Humidity
    77%
    82%
    75%
    57%
    49%
    54%
    62%
    80%
    UV - - 1 4 5 2 1 -
    Sunday (25 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    40%
    50%
    40%
    40%
    40%
    30%
    10%
    10%
    Temperature (°C)
    13°
    12°
    12°
    15°
    16°
    17°
    16°
    14°
    Feels like temperature (°C)
    12°
    11°
    11°
    13°
    14°
    14°
    14°
    12°
    Wind direction and speed (mph)
    SW
    8
    SW
    7
    SW
    8
    SW
    11
    SW
    12
    SW
    12
    SW
    11
    WSW
    8
    Wind gust (mph)
    14
    15
    21
    24
    25
    23
    19
    14
    Visibility (description)
    G
    M
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    90%
    93%
    92%
    76%
    70%
    62%
    66%
    76%
    UV - - 1 4 5 3 1 -

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    WARNING
    Flood alerts icon
    Flood alerts in force for England
    Flood alerts in force for England

    London & South East England weather forecast

    Headline:

    Fine on Monday with warm sunshine after early cloud clears.

    This Evening and Tonight:

    A fine evening for most, with some warm evening sunshine. Cloud increasing from the east again overnight, though perhaps starting to break by dawn. Some mist and fog patches forming in Hampshire and West Sussex under clear skies. Minimum temperature 6 °C.

    Monday:

    Patchy cloud to start, but soon becoming sunny and warm. Cloud bubbling up inland through the afternoon, perhaps with the odd light shower. Maximum temperature 22 °C.

    Outlook for Tuesday to Thursday:

    Fine and warm after early cloud clears each day. A chance of showers Tuesday, but dry thereafter, with sunshine becoming hazy toward the end of the week. Cooler on coasts.

    Updated:

    UK long range weather forecast

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