Portsmouth (Portsmouth) weather

Forecast days

Sunny intervals.
Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution
L Pollen
Next high tide: for
Old Portsmouth Beach (Victoria Pier) (Beach)

    8 day forecast for Portsmouth

    Today (13 May 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 day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night
    Chance of precipitation
    <5%
    10%
    20%
    20%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    18°
    19°
    19°
    20°
    20°
    19°
    19°
    18°
    17°
    16°
    15°
    Feels like temperature (°C)
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    16°
    15°
    Wind direction and speed
    SSE
    7
    SSE
    7
    SSE
    7
    SSE
    7
    SSE
    6
    SSE
    5
    SSE
    4
    SSE
    3
    ESE
    3
    E
    3
    ENE
    4
    Wind gust (mph)
    15
    16
    16
    14
    12
    10
    8
    7
    6
    9
    10
    Visibility
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    Humidity
    64%
    57%
    54%
    50%
    49%
    48%
    52%
    56%
    63%
    65%
    66%
    UV 6 6 5 3 2 1 1 1 - - -
    Wednesday (14 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 Partly cloudy night Partly cloudy night Partly cloudy night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day 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)
    14°
    14°
    13°
    13°
    12°
    12°
    11°
    12°
    14°
    16°
    18°
    20°
    22°
    22°
    23°
    22°
    20°
    19°
    19°
    18°
    18°
    17°
    15°
    14°
    Feels like temperature (°C)
    14°
    13°
    12°
    12°
    11°
    10°
    10°
    11°
    13°
    15°
    16°
    17°
    19°
    20°
    20°
    19°
    17°
    17°
    17°
    17°
    17°
    16°
    14°
    13°
    Wind direction and speed (mph)
    ENE
    5
    ENE
    6
    NE
    6
    NE
    6
    NE
    6
    NE
    5
    NE
    5
    NE
    5
    NE
    6
    NE
    7
    NE
    8
    ENE
    10
    ENE
    10
    E
    9
    SE
    9
    SE
    10
    SE
    10
    SSE
    9
    SE
    8
    SE
    7
    ESE
    6
    E
    6
    ENE
    7
    ENE
    6
    Wind gust (mph)
    10
    11
    13
    14
    14
    12
    12
    15
    18
    19
    20
    21
    23
    23
    22
    22
    21
    21
    19
    16
    14
    15
    16
    16
    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
    VG
    Humidity
    65%
    65%
    65%
    66%
    66%
    68%
    70%
    66%
    63%
    55%
    44%
    40%
    40%
    37%
    31%
    36%
    43%
    48%
    52%
    54%
    56%
    58%
    59%
    64%
    UV - - - - - 1 1 1 2 3 5 6 6 6 6 5 3 2 1 1 1 - - -
    Thursday (15 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 intervals Sunny day Sunny day Sunny intervals Sunny intervals Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    13°
    12°
    9°
    9°
    14°
    18°
    20°
    18°
    13°
    Feels like temperature (°C)
    12°
    10°
    8°
    7°
    12°
    15°
    17°
    15°
    12°
    Wind direction and speed (mph)
    NE
    6
    NNE
    6
    NNE
    5
    N
    5
    NNE
    8
    NNE
    10
    NNE
    11
    ENE
    10
    E
    5
    Wind gust (mph)
    15
    17
    12
    21
    23
    24
    23
    19
    14
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    66%
    66%
    75%
    75%
    54%
    40%
    40%
    44%
    72%
    UV - - - 1 4 6 3 1 -
    Friday (16 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 day Sunny day Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    9°
    9°
    15°
    19°
    21°
    19°
    14°
    Feels like temperature (°C)
    10°
    8°
    8°
    13°
    17°
    18°
    16°
    13°
    Wind direction and speed (mph)
    NE
    5
    NE
    6
    NNE
    6
    NE
    7
    NE
    8
    ENE
    9
    E
    9
    E
    6
    Wind gust (mph)
    14
    14
    20
    20
    21
    21
    15
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    73%
    77%
    76%
    43%
    30%
    25%
    40%
    65%
    UV - - 1 4 6 3 1 -
    Saturday (17 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Overcast Sunny intervals Sunny day Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    10°
    10°
    13°
    17°
    18°
    17°
    13°
    Feels like temperature (°C)
    10°
    8°
    8°
    12°
    15°
    16°
    16°
    13°
    Wind direction and speed (mph)
    NE
    6
    NE
    6
    NE
    6
    NE
    6
    SE
    7
    SSE
    8
    S
    7
    WSW
    4
    Wind gust (mph)
    13
    15
    17
    18
    18
    17
    11
    7
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    71%
    76%
    72%
    57%
    47%
    46%
    54%
    71%
    UV - - 1 4 6 3 1 -
    Sunday (18 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 day Sunny day Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    9°
    10°
    15°
    18°
    19°
    18°
    14°
    Feels like temperature (°C)
    11°
    8°
    9°
    14°
    16°
    17°
    17°
    13°
    Wind direction and speed (mph)
    N
    4
    NE
    4
    NE
    5
    ENE
    7
    SE
    6
    SE
    8
    SSE
    7
    S
    5
    Wind gust (mph)
    7
    9
    14
    14
    14
    14
    11
    10
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    78%
    84%
    81%
    66%
    50%
    42%
    45%
    66%
    UV - - 1 5 7 3 1 -
    Monday (19 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 day Sunny day Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    9°
    10°
    15°
    18°
    19°
    18°
    14°
    Feels like temperature (°C)
    10°
    8°
    9°
    13°
    16°
    17°
    16°
    13°
    Wind direction and speed (mph)
    NE
    5
    NE
    5
    NE
    6
    NE
    7
    ENE
    8
    ESE
    8
    ESE
    8
    E
    5
    Wind gust (mph)
    8
    10
    13
    16
    17
    15
    12
    9
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    76%
    85%
    83%
    66%
    50%
    42%
    44%
    67%
    UV - - 1 5 7 3 1 -
    Tuesday (20 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 day Sunny day Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    Temperature (°C)
    11°
    10°
    11°
    16°
    19°
    20°
    19°
    14°
    Feels like temperature (°C)
    10°
    9°
    10°
    15°
    17°
    18°
    17°
    13°
    Wind direction and speed (mph)
    NE
    5
    NE
    5
    NE
    6
    NE
    8
    E
    8
    ESE
    9
    E
    8
    ENE
    6
    Wind gust (mph)
    8
    9
    12
    15
    16
    16
    12
    10
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    77%
    81%
    76%
    60%
    43%
    41%
    43%
    62%
    UV - - 1 5 7 3 1 -

    UK video forecast

    Portsmouth weather map

    View the weather with our interactive map

    Loading map...
    Forecast for 13:00, Tue
    Updated 10:00 (UTC+1) on Tue 13 May 2025
    WARNING
    Flood alerts icon
    Flood alerts in force for England
    Flood alerts in force for England

    Environment Agency

    Updated:

    London & South East England weather forecast

    Headline:

    Plenty of warm sunshine on Tuesday.

    Today:

    Early mist and fog patches soon clearing to leave a largely dry and warm day, with sunny spells. Chance of some heavy showers and isolated thunderstorms developing in the afternoon. Maximum temperature 25 °C.

    Tonight:

    Showers clearing as cloud thins through the evening with most parts dry with clear skies by midnight. Light winds inland but breezy near the coast. Minimum temperature 4 °C.

    Wednesday:

    Long periods of sunshine. Light winds and warm inland but breezy and cooler near coasts. Maximum temperature 25 °C.

    Outlook for Thursday to Saturday:

    Dry, warm and largely sunny over the next few days. Low cloud, mist and fog moving inland overnight. Probably more cloud, and cooler, on Saturday.

    Updated:

    UK long range weather forecast

    More from the Met Office