Harold Hill (Greater London) weather

Forecast days

Overcast changing to light rain in the afternoon.
Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

    7 day forecast for Harold Hill

    Today (16 May 2026)
    Time
    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 Cloudy Cloudy Cloudy Light rain Light rain Light rain Overcast Overcast Overcast Light rain Light rain Light rain Light rain
    Chance of precipitation
    <5%
    <5%
    10%
    30%
    60%
    70%
    50%
    20%
    30%
    40%
    70%
    90%
    90%
    80%
    Temperature
    12°
    12°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    12°
    12°
    12°
    Feels like temperature (°C)
    10°
    11°
    12°
    12°
    13°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    10°
    Wind direction and speed
    W
    7
    W
    7
    W
    8
    W
    8
    WSW
    8
    WSW
    8
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SSW
    8
    SSW
    7
    SSW
    7
    SW
    7
    Wind gust (mph)
    19
    19
    19
    19
    20
    21
    21
    21
    20
    19
    17
    16
    15
    14
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    VG
    G
    G
    G
    M
    M
    Humidity
    54%
    45%
    41%
    41%
    41%
    52%
    61%
    65%
    67%
    71%
    76%
    83%
    91%
    93%
    UV 4 5 5 4 4 3 2 1 1 1 1 - - -
    Sunday (17 May 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 Light rain Overcast Light rain Light rain Light shower night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Partly cloudy night Partly cloudy night
    Chance of precipitation
    60%
    40%
    50%
    60%
    60%
    40%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    30%
    40%
    40%
    40%
    40%
    50%
    40%
    30%
    Temperature (°C)
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    11°
    12°
    13°
    14°
    15°
    15°
    15°
    16°
    16°
    15°
    15°
    14°
    13°
    12°
    11°
    10°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    10°
    11°
    12°
    12°
    13°
    13°
    13°
    14°
    14°
    13°
    13°
    13°
    12°
    11°
    10°
    Wind direction and speed (mph)
    SW
    7
    WSW
    6
    WSW
    6
    WSW
    6
    W
    5
    W
    5
    W
    6
    W
    6
    W
    7
    W
    7
    W
    7
    W
    8
    W
    9
    W
    9
    W
    9
    W
    8
    W
    8
    W
    8
    WSW
    8
    W
    8
    WSW
    7
    WSW
    7
    WSW
    7
    WSW
    7
    Wind gust (mph)
    14
    13
    13
    13
    12
    11
    13
    15
    15
    17
    19
    19
    21
    21
    21
    21
    21
    19
    20
    19
    17
    16
    15
    14
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    92%
    93%
    93%
    92%
    92%
    93%
    92%
    86%
    82%
    73%
    58%
    49%
    42%
    41%
    41%
    41%
    40%
    41%
    44%
    45%
    58%
    66%
    69%
    74%
    UV - - - - - 1 1 1 2 3 4 5 5 5 3 2 1 1 1 1 1 - - -
    Monday (18 May 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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Cloudy Cloudy
    Chance of precipitation
    20%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    20%
    30%
    30%
    40%
    40%
    40%
    40%
    40%
    40%
    30%
    30%
    20%
    20%
    20%
    Temperature (°C)
    10°
    10°
    11°
    12°
    13°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    13°
    12°
    11°
    Feels like temperature (°C)
    10°
    11°
    12°
    13°
    13°
    13°
    14°
    14°
    13°
    13°
    13°
    12°
    11°
    10°
    10°
    Wind direction and speed (mph)
    WSW
    6
    WSW
    6
    WSW
    6
    WSW
    5
    SW
    5
    SW
    5
    SW
    5
    SW
    5
    WSW
    6
    WSW
    7
    SW
    7
    SW
    7
    SW
    7
    SW
    7
    SW
    7
    SW
    7
    SW
    7
    SW
    8
    SSW
    8
    SSW
    8
    SSW
    9
    S
    8
    S
    8
    S
    7
    Wind gust (mph)
    13
    12
    12
    11
    10
    10
    12
    13
    16
    17
    18
    18
    19
    20
    19
    19
    20
    20
    21
    20
    18
    16
    15
    15
    Visibility (description)
    VG
    VG
    VG
    G
    VG
    G
    G
    G
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    Humidity
    77%
    80%
    83%
    84%
    85%
    87%
    85%
    81%
    75%
    69%
    59%
    54%
    46%
    46%
    50%
    50%
    51%
    53%
    55%
    59%
    65%
    70%
    74%
    78%
    UV - - - - - 1 1 1 2 3 5 5 6 4 5 3 2 1 1 1 1 - - -
    Tuesday (19 May 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 Cloudy Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light shower day Cloudy Cloudy Cloudy Cloudy Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    30%
    50%
    60%
    60%
    60%
    70%
    80%
    80%
    80%
    80%
    70%
    80%
    80%
    70%
    60%
    50%
    50%
    40%
    40%
    40%
    30%
    20%
    20%
    Temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    13°
    14°
    14°
    15°
    15°
    15°
    16°
    16°
    16°
    16°
    15°
    15°
    14°
    14°
    Feels like temperature (°C)
    10°
    10°
    10°
    11°
    11°
    12°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    12°
    Wind direction and speed (mph)
    S
    7
    S
    7
    SSE
    8
    SSE
    8
    SSE
    9
    SSE
    9
    SSE
    9
    SSE
    10
    S
    11
    S
    12
    S
    12
    S
    13
    S
    13
    S
    13
    SSW
    13
    SSW
    12
    SSW
    12
    SSW
    12
    SSW
    12
    SSW
    11
    SSW
    10
    SSW
    10
    SSW
    9
    SSW
    8
    Wind gust (mph)
    14
    15
    17
    18
    18
    19
    21
    24
    26
    27
    28
    28
    28
    28
    28
    27
    26
    26
    24
    22
    21
    19
    18
    17
    Visibility (description)
    G
    G
    G
    G
    M
    G
    G
    M
    G
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    G
    G
    G
    G
    Humidity
    81%
    84%
    85%
    87%
    87%
    90%
    91%
    91%
    90%
    91%
    91%
    90%
    91%
    90%
    86%
    84%
    78%
    68%
    68%
    73%
    78%
    81%
    83%
    84%
    UV - - - - - 1 1 1 1 1 2 2 3 3 2 2 2 1 1 1 1 - - -
    Wednesday (20 May 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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Clear night Clear night Clear night
    Chance of precipitation
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    20%
    20%
    10%
    10%
    10%
    10%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    12°
    13°
    14°
    15°
    17°
    18°
    19°
    19°
    20°
    20°
    20°
    20°
    19°
    19°
    17°
    16°
    15°
    Feels like temperature (°C)
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    13°
    14°
    15°
    16°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    16°
    15°
    14°
    Wind direction and speed (mph)
    SSW
    8
    SSW
    8
    SSW
    7
    SSW
    7
    SSW
    7
    SSW
    7
    SSW
    7
    SW
    7
    SW
    8
    SW
    8
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    8
    SW
    8
    SW
    8
    SW
    8
    SSW
    8
    SSW
    7
    SSW
    7
    SSW
    6
    Wind gust (mph)
    16
    14
    14
    13
    13
    13
    15
    16
    17
    19
    19
    20
    20
    20
    20
    20
    20
    17
    18
    17
    16
    14
    13
    11
    Visibility (description)
    G
    G
    G
    G
    G
    M
    G
    G
    G
    G
    VG
    VG
    VG
    G
    VG
    VG
    G
    G
    G
    VG
    VG
    VG
    G
    G
    Humidity
    86%
    88%
    89%
    90%
    90%
    91%
    90%
    87%
    85%
    78%
    72%
    65%
    60%
    58%
    56%
    54%
    53%
    54%
    56%
    57%
    62%
    67%
    72%
    77%
    UV - - - - - 1 1 1 2 3 4 5 6 6 5 4 3 2 1 1 1 - - -
    Thursday (21 May 2026)
    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 intervals Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    14°
    13°
    11°
    13°
    18°
    22°
    24°
    23°
    18°
    Feels like temperature (°C)
    14°
    13°
    11°
    13°
    18°
    21°
    22°
    21°
    17°
    Wind direction and speed (mph)
    SSW
    5
    S
    5
    S
    4
    SSE
    3
    S
    5
    S
    6
    S
    7
    SSE
    8
    SE
    6
    Wind gust (mph)
    11
    10
    8
    12
    17
    19
    20
    17
    13
    Visibility (description)
    G
    G
    M
    M
    G
    VG
    VG
    VG
    VG
    Humidity
    80%
    84%
    91%
    88%
    73%
    53%
    41%
    45%
    64%
    UV - - 1 1 4 6 3 1 -
    Friday (22 May 2026)
    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%
    10%
    10%
    10%
    Temperature (°C)
    15°
    14°
    15°
    21°
    25°
    26°
    24°
    19°
    Feels like temperature (°C)
    15°
    14°
    15°
    20°
    24°
    24°
    22°
    18°
    Wind direction and speed (mph)
    ESE
    5
    ESE
    5
    SE
    5
    SE
    7
    SSE
    9
    SSE
    10
    SSE
    9
    ESE
    6
    Wind gust (mph)
    12
    12
    15
    20
    23
    23
    19
    14
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    74%
    79%
    76%
    62%
    43%
    41%
    44%
    62%
    UV - 1 1 4 6 3 1 -

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    London & South East England weather forecast

    Headline:

    Today bright start then becoming cloudy, with rain arriving later.

    Today:

    Starting with patchy cloud and bright spells, and perhaps a few light showers. Then becoming dry with bright or sunny spells, before cloud increases. Outbreaks of rain will spread east this afternoon, perhaps not reaching Kent by late afternoon. Maximum temperature 15 °C.

    Tonight:

    Rain this evening, clearing east by the early hours. Large amounts of cloud and showers or longer spells of rain will follow, perhaps locally heavy. Milder than previous nights. Minimum temperature 7 °C.

    Sunday:

    Starting with showers or longer spells of rain, possibly heavy at times, most likely across eastern areas. Drier and brighter conditions then spread follow, along with scattered showers. Maximum temperature 16 °C.

    Outlook for Monday to Wednesday:

    Monday sunshine and scattered sometimes heavy showers. Rain and strong winds arrive overnight, clears Tuesday with breezy conditions and showers following. Wednesday lighter winds, mainly dry with sunny spells, warmer.

    Updated:

    UK long range weather forecast

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