West Grinstead (West Sussex) weather

Forecast days

Sunny intervals.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution

    7 day forecast for West Grinstead

    Today (5 September 2026)
    Time
    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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Clear night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    20°
    21°
    22°
    22°
    22°
    22°
    20°
    19°
    16°
    14°
    12°
    11°
    Feels like temperature (°C)
    19°
    20°
    21°
    21°
    21°
    21°
    20°
    18°
    15°
    14°
    12°
    11°
    Wind direction and speed
    WNW
    6
    WNW
    5
    W
    4
    W
    4
    W
    4
    W
    4
    WSW
    5
    WSW
    5
    WSW
    4
    WSW
    3
    W
    2
    NNE
    2
    Wind gust (mph)
    17
    16
    16
    16
    16
    15
    14
    12
    10
    10
    8
    6
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    50%
    43%
    41%
    41%
    41%
    42%
    50%
    65%
    75%
    82%
    85%
    87%
    UV 5 5 4 3 2 1 1 1 - - - -
    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 Partly cloudy night Sunny intervals Sunny intervals 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 Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    20%
    10%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    10°
    10°
    10°
    11°
    11°
    11°
    12°
    15°
    18°
    19°
    21°
    22°
    22°
    23°
    23°
    23°
    23°
    22°
    20°
    18°
    17°
    16°
    16°
    Feels like temperature (°C)
    11°
    10°
    10°
    10°
    11°
    11°
    11°
    12°
    15°
    18°
    18°
    19°
    20°
    21°
    21°
    22°
    21°
    22°
    22°
    21°
    18°
    18°
    17°
    17°
    Wind direction and speed (mph)
    ESE
    2
    ESE
    2
    E
    2
    E
    2
    E
    2
    E
    2
    E
    2
    E
    2
    ESE
    3
    SE
    5
    SSE
    7
    SSE
    9
    SSE
    9
    SSE
    9
    SSE
    9
    SSE
    9
    SSE
    9
    SSE
    8
    SSE
    7
    SSE
    3
    ESE
    3
    E
    2
    E
    2
    ENE
    2
    Wind gust (mph)
    6
    6
    6
    9
    9
    9
    9
    9
    13
    17
    18
    19
    19
    19
    19
    19
    19
    18
    15
    12
    11
    9
    9
    9
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    Humidity
    90%
    91%
    91%
    91%
    90%
    89%
    88%
    86%
    82%
    72%
    64%
    57%
    54%
    53%
    52%
    51%
    51%
    53%
    56%
    69%
    78%
    82%
    85%
    86%
    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 Clear 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 Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    10%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    20%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    Temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    16°
    18°
    19°
    21°
    22°
    22°
    22°
    23°
    22°
    21°
    21°
    20°
    19°
    18°
    18°
    17°
    17°
    Feels like temperature (°C)
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    17°
    18°
    19°
    20°
    21°
    21°
    21°
    20°
    20°
    19°
    18°
    17°
    17°
    16°
    16°
    16°
    16°
    Wind direction and speed (mph)
    ESE
    2
    SW
    2
    W
    2
    WSW
    3
    W
    3
    WSW
    3
    WSW
    3
    WSW
    3
    WSW
    5
    WSW
    7
    W
    9
    WSW
    9
    WSW
    9
    WSW
    11
    WSW
    11
    WSW
    13
    WSW
    13
    WSW
    13
    WSW
    13
    WSW
    10
    SW
    9
    SW
    9
    WSW
    9
    WSW
    8
    Wind gust (mph)
    9
    9
    9
    13
    13
    13
    13
    13
    18
    20
    21
    23
    24
    25
    27
    28
    29
    27
    26
    26
    26
    26
    26
    25
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    88%
    89%
    91%
    91%
    92%
    93%
    94%
    93%
    88%
    82%
    74%
    71%
    66%
    61%
    55%
    54%
    55%
    55%
    61%
    65%
    73%
    74%
    75%
    75%
    UV - - - - - - 1 1 1 2 2 3 4 3 3 2 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 Cloudy Light rain Light shower 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 Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    30%
    40%
    50%
    60%
    40%
    40%
    40%
    30%
    30%
    20%
    20%
    20%
    20%
    10%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    17°
    17°
    16°
    16°
    15°
    14°
    14°
    13°
    14°
    16°
    18°
    19°
    20°
    20°
    21°
    21°
    20°
    21°
    19°
    17°
    15°
    14°
    13°
    13°
    Feels like temperature (°C)
    16°
    15°
    16°
    15°
    14°
    14°
    13°
    12°
    13°
    14°
    15°
    17°
    17°
    17°
    17°
    17°
    16°
    18°
    16°
    15°
    13°
    12°
    12°
    11°
    Wind direction and speed (mph)
    WSW
    8
    WSW
    8
    WSW
    7
    WSW
    7
    WSW
    7
    WSW
    6
    WSW
    6
    WSW
    7
    WSW
    8
    WSW
    9
    WSW
    11
    W
    11
    W
    11
    W
    11
    W
    13
    W
    13
    W
    13
    W
    11
    W
    11
    W
    9
    W
    9
    W
    8
    W
    8
    W
    7
    Wind gust (mph)
    25
    24
    25
    25
    23
    23
    22
    22
    23
    25
    27
    27
    27
    28
    30
    29
    28
    26
    25
    23
    23
    24
    24
    23
    Visibility (description)
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    76%
    77%
    78%
    83%
    85%
    86%
    87%
    86%
    81%
    70%
    59%
    52%
    48%
    44%
    43%
    44%
    45%
    47%
    45%
    53%
    60%
    65%
    68%
    74%
    UV - - - - - - 1 1 1 2 3 4 4 5 4 3 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 Clear night Partly cloudy night Partly cloudy night Sunny day Sunny day 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%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    12°
    12°
    11°
    11°
    11°
    11°
    10°
    10°
    12°
    14°
    16°
    17°
    18°
    19°
    19°
    19°
    19°
    19°
    18°
    17°
    15°
    14°
    13°
    13°
    Feels like temperature (°C)
    11°
    11°
    10°
    10°
    10°
    10°
    12°
    14°
    15°
    15°
    16°
    17°
    17°
    17°
    17°
    16°
    16°
    14°
    14°
    13°
    12°
    Wind direction and speed (mph)
    W
    7
    W
    7
    W
    7
    W
    7
    W
    7
    W
    7
    W
    7
    W
    7
    WNW
    8
    WNW
    9
    NW
    9
    NW
    9
    NW
    9
    WNW
    9
    WNW
    9
    WNW
    9
    WNW
    9
    WNW
    8
    WNW
    7
    WNW
    6
    WNW
    5
    WNW
    4
    WNW
    3
    WNW
    3
    Wind gust (mph)
    22
    21
    21
    20
    20
    21
    20
    19
    20
    22
    22
    23
    22
    22
    21
    21
    19
    18
    16
    15
    16
    15
    13
    13
    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
    77%
    81%
    82%
    82%
    83%
    85%
    85%
    84%
    78%
    67%
    58%
    53%
    43%
    41%
    40%
    41%
    41%
    41%
    42%
    53%
    59%
    63%
    66%
    68%
    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 Cloudy Cloudy Cloudy Overcast Overcast
    Chance of precipitation
    10%
    10%
    10%
    10%
    20%
    20%
    20%
    20%
    20%
    Temperature (°C)
    12°
    11°
    10°
    10°
    15°
    19°
    19°
    17°
    16°
    Feels like temperature (°C)
    12°
    11°
    10°
    15°
    17°
    18°
    16°
    15°
    Wind direction and speed (mph)
    WNW
    3
    WNW
    3
    WNW
    2
    W
    3
    WSW
    5
    SW
    8
    SW
    9
    SW
    8
    SW
    7
    Wind gust (mph)
    13
    11
    9
    11
    18
    20
    20
    16
    15
    Visibility (description)
    VG
    VG
    VG
    G
    VG
    VG
    VG
    G
    G
    Humidity
    72%
    75%
    82%
    86%
    69%
    58%
    59%
    72%
    84%
    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 Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    40%
    40%
    40%
    30%
    20%
    10%
    10%
    Temperature (°C)
    15°
    15°
    15°
    18°
    20°
    20°
    19°
    16°
    Feels like temperature (°C)
    15°
    15°
    15°
    17°
    19°
    19°
    18°
    15°
    Wind direction and speed (mph)
    SW
    6
    SW
    5
    SW
    5
    WSW
    8
    WSW
    9
    W
    9
    WNW
    8
    WNW
    8
    Wind gust (mph)
    16
    17
    19
    23
    24
    21
    16
    15
    Visibility (description)
    G
    G
    M
    G
    G
    G
    VG
    G
    Humidity
    91%
    92%
    94%
    88%
    76%
    69%
    73%
    83%
    UV - - 1 2 4 2 1 -

    UK video forecast

    West Grinstead weather map

    View the weather with our interactive map

    Loading map...

    London & South East England weather forecast

    Headline:

    Fine and dry weather for Saturday.

    Today:

    Generally fine and dry with plenty of sunshine. However, the odd shower can't be ruled out, particularly on the coast. Blustery winds expected along the coast, easing through the afternoon. Maximum temperature 21 °C.

    Tonight:

    Remaining dry with variable cloud, allowing some good spells of evening sunshine. The winds will ease further, becoming generally light. 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