Heathrow (Greater London) weather

Forecast days

Clear.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution

    7 day forecast for Heathrow

    Today (5 September 2026)
    Time
    23:00
    Weather symbols Clear night
    Chance of precipitation
    <5%
    Temperature
    15°
    Feels like temperature (°C)
    14°
    Wind direction and speed
    W
    3
    Wind gust (mph)
    8
    Visibility
    VG
    Humidity
    67%
    UV -
    Sunday (6 September 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 Partly cloudy night Partly cloudy night Cloudy Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    10%
    10%
    20%
    10%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    13°
    12°
    12°
    12°
    13°
    12°
    12°
    12°
    15°
    17°
    19°
    21°
    23°
    24°
    25°
    26°
    26°
    26°
    25°
    23°
    22°
    20°
    19°
    19°
    Feels like temperature (°C)
    13°
    12°
    12°
    12°
    13°
    12°
    12°
    12°
    15°
    17°
    18°
    20°
    21°
    22°
    23°
    24°
    24°
    23°
    22°
    21°
    20°
    19°
    19°
    19°
    Wind direction and speed (mph)
    WNW
    2
    WNW
    2
    WSW
    2
    SW
    2
    S
    2
    S
    2
    SSE
    2
    SSE
    2
    SSE
    3
    SSE
    5
    S
    7
    S
    8
    S
    9
    S
    9
    S
    10
    S
    11
    S
    11
    S
    11
    S
    11
    S
    10
    S
    8
    S
    7
    S
    5
    SSW
    4
    Wind gust (mph)
    8
    6
    6
    7
    7
    8
    8
    9
    13
    17
    19
    19
    20
    21
    22
    23
    22
    22
    20
    17
    14
    12
    11
    10
    Visibility (description)
    VG
    VG
    VG
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    73%
    76%
    77%
    79%
    78%
    79%
    79%
    79%
    75%
    72%
    64%
    55%
    42%
    40%
    40%
    39%
    38%
    38%
    40%
    42%
    55%
    64%
    72%
    76%
    UV - - - - - - 1 1 1 2 3 4 5 5 4 3 2 1 1 1 - - - -
    Monday (7 September 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 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 Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    <5%
    10%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    30%
    Temperature (°C)
    18°
    18°
    18°
    17°
    17°
    17°
    17°
    17°
    18°
    20°
    21°
    22°
    23°
    23°
    23°
    23°
    23°
    22°
    21°
    20°
    20°
    19°
    18°
    18°
    Feels like temperature (°C)
    19°
    18°
    18°
    17°
    17°
    17°
    17°
    17°
    18°
    19°
    20°
    21°
    21°
    20°
    20°
    20°
    19°
    18°
    18°
    17°
    17°
    16°
    16°
    15°
    Wind direction and speed (mph)
    SW
    4
    SW
    4
    SW
    4
    WSW
    4
    WSW
    4
    WSW
    5
    WSW
    5
    WSW
    6
    WSW
    8
    WSW
    9
    WSW
    10
    WSW
    11
    WSW
    11
    WSW
    13
    WSW
    13
    WSW
    13
    WSW
    15
    W
    15
    W
    14
    W
    14
    WSW
    13
    WSW
    13
    WSW
    11
    WSW
    11
    Wind gust (mph)
    10
    10
    10
    10
    10
    12
    12
    14
    17
    19
    20
    21
    23
    24
    26
    26
    26
    25
    24
    22
    21
    20
    20
    20
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    VG
    E
    E
    E
    E
    Humidity
    81%
    83%
    84%
    86%
    87%
    88%
    89%
    88%
    85%
    77%
    68%
    63%
    57%
    54%
    50%
    46%
    42%
    43%
    43%
    48%
    55%
    58%
    63%
    66%
    UV - - - - - - 1 1 1 2 3 4 4 4 3 3 2 1 1 1 - - - -
    Tuesday (8 September 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 Light rain Cloudy Cloudy Cloudy Cloudy 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 Partly cloudy night Partly cloudy night Clear night Clear night Clear night
    Chance of precipitation
    50%
    50%
    50%
    50%
    50%
    40%
    30%
    20%
    10%
    10%
    10%
    10%
    10%
    20%
    10%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    <5%
    <5%
    Temperature (°C)
    17°
    16°
    16°
    15°
    15°
    14°
    14°
    13°
    14°
    15°
    17°
    19°
    20°
    20°
    20°
    21°
    21°
    20°
    19°
    18°
    16°
    15°
    14°
    13°
    Feels like temperature (°C)
    15°
    14°
    14°
    13°
    13°
    13°
    13°
    12°
    12°
    13°
    14°
    16°
    16°
    17°
    16°
    17°
    16°
    16°
    15°
    15°
    14°
    13°
    12°
    11°
    Wind direction and speed (mph)
    WSW
    11
    WSW
    11
    WSW
    11
    WSW
    11
    WSW
    10
    WSW
    9
    SW
    8
    WSW
    8
    WSW
    9
    WSW
    11
    W
    13
    WSW
    13
    WSW
    13
    W
    13
    W
    15
    W
    15
    W
    15
    W
    15
    W
    15
    W
    14
    W
    13
    W
    11
    W
    10
    W
    10
    Wind gust (mph)
    21
    21
    20
    18
    18
    17
    16
    16
    18
    20
    22
    25
    25
    27
    28
    29
    29
    28
    27
    24
    20
    19
    19
    18
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    VG
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    67%
    73%
    78%
    80%
    83%
    84%
    85%
    84%
    79%
    68%
    62%
    54%
    47%
    42%
    44%
    44%
    43%
    42%
    42%
    46%
    53%
    57%
    61%
    66%
    UV - - - - - - 1 1 1 2 3 4 5 5 3 2 2 1 1 1 - - - -
    Wednesday (9 September 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 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    13°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    12°
    14°
    16°
    17°
    18°
    19°
    19°
    20°
    20°
    20°
    19°
    18°
    17°
    16°
    15°
    14°
    Feels like temperature (°C)
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    12°
    13°
    14°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    14°
    14°
    13°
    Wind direction and speed (mph)
    W
    10
    W
    9
    W
    9
    W
    9
    W
    9
    W
    9
    W
    9
    W
    9
    W
    11
    W
    11
    WNW
    11
    WNW
    11
    WNW
    11
    WNW
    13
    WNW
    11
    WNW
    11
    WNW
    13
    WNW
    11
    WNW
    11
    WNW
    9
    W
    8
    W
    8
    W
    7
    W
    7
    Wind gust (mph)
    17
    17
    17
    17
    17
    17
    16
    19
    21
    23
    24
    24
    22
    23
    23
    23
    22
    21
    19
    15
    13
    13
    12
    12
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    Humidity
    68%
    72%
    75%
    76%
    76%
    77%
    78%
    78%
    74%
    65%
    56%
    50%
    42%
    41%
    41%
    41%
    41%
    41%
    41%
    43%
    50%
    56%
    61%
    65%
    UV - - - - - - 1 1 1 2 3 4 5 5 4 3 2 1 1 1 - - - -
    Thursday (10 September 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 Cloudy Cloudy Cloudy Overcast Overcast Overcast Cloudy Overcast
    Chance of precipitation
    <5%
    <5%
    10%
    20%
    20%
    30%
    20%
    20%
    30%
    Temperature (°C)
    13°
    12°
    12°
    11°
    15°
    18°
    20°
    19°
    18°
    Feels like temperature (°C)
    12°
    12°
    11°
    10°
    15°
    17°
    17°
    18°
    17°
    Wind direction and speed (mph)
    W
    5
    W
    5
    WSW
    4
    SW
    3
    SSW
    6
    SW
    9
    SW
    10
    SW
    9
    SW
    8
    Wind gust (mph)
    11
    11
    10
    13
    18
    21
    20
    19
    17
    Visibility (description)
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    G
    Humidity
    68%
    73%
    78%
    80%
    71%
    61%
    60%
    68%
    80%
    UV - - - 1 3 4 2 1 -
    Friday (11 September 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Overcast Cloudy Cloudy Cloudy Partly cloudy night Cloudy
    Chance of precipitation
    40%
    30%
    30%
    20%
    20%
    20%
    20%
    30%
    Temperature (°C)
    17°
    17°
    17°
    18°
    20°
    21°
    20°
    18°
    Feels like temperature (°C)
    16°
    16°
    16°
    17°
    18°
    19°
    18°
    17°
    Wind direction and speed (mph)
    SW
    8
    SW
    8
    SW
    8
    WSW
    9
    W
    10
    W
    11
    W
    10
    W
    8
    Wind gust (mph)
    16
    16
    18
    21
    23
    22
    17
    16
    Visibility (description)
    G
    M
    M
    G
    VG
    VG
    VG
    VG
    Humidity
    86%
    90%
    91%
    84%
    66%
    58%
    61%
    71%
    UV - - 1 3 4 2 1 -

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    London & South East England weather forecast

    Headline:

    Cloudy at times with rain on Sunday.

    This Evening and Tonight:

    Remaining dry with variable cloud, allowing some good spells of evening sunshine. The winds will ease further, becoming generally light but remaining breezy along the coast. Minimum temperature 8 °C.

    Sunday:

    Cloudy with outbreaks of rain through the morning, mostly clearing by mid-afternoon. Then dry with plenty of sunshine. Very warm. Maximum temperature 26 °C.

    Outlook for Monday to Wednesday:

    Mostly dry Monday, with rain and strong winds spreading in during the evening. Sunshine and showers on Tuesday, with gusty winds. Showers and strong winds dying away Wednesday morning.

    Updated:

    UK long range weather forecast