St Just (Cornwall) weather

Forecast days

Overcast.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

    7 day forecast for St Just

    Today (18 September 2025)
    Time
    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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    20%
    20%
    20%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    15°
    Feels like temperature (°C)
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    Wind direction and speed
    SSW
    18
    SSW
    17
    SSW
    17
    SSW
    17
    SSW
    17
    SSW
    17
    SSW
    17
    SSW
    17
    SSW
    18
    SSW
    18
    SSW
    20
    SSW
    20
    SSW
    21
    SSW
    21
    SSW
    21
    SSW
    20
    S
    20
    S
    20
    S
    19
    S
    18
    S
    18
    S
    18
    S
    18
    Wind gust (mph)
    29
    28
    29
    28
    29
    28
    27
    27
    28
    30
    30
    30
    31
    31
    30
    29
    28
    28
    27
    26
    27
    26
    27
    Visibility
    M
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    97%
    97%
    96%
    97%
    96%
    95%
    95%
    94%
    92%
    91%
    91%
    90%
    87%
    86%
    86%
    87%
    88%
    88%
    92%
    93%
    92%
    92%
    91%
    UV - - - - - - 1 1 1 2 2 3 3 3 2 1 1 1 1 - - - -
    Friday (19 September 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 Overcast Overcast Overcast Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy Overcast Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    30%
    30%
    30%
    30%
    30%
    40%
    40%
    30%
    40%
    40%
    40%
    40%
    40%
    50%
    50%
    Temperature (°C)
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    15°
    15°
    15°
    15°
    15°
    Feels like temperature (°C)
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    13°
    13°
    Wind direction and speed (mph)
    S
    17
    S
    17
    S
    16
    S
    16
    S
    16
    S
    15
    S
    15
    S
    15
    S
    14
    S
    15
    S
    15
    S
    15
    S
    15
    SSW
    14
    SSW
    13
    SSW
    13
    SSW
    12
    SSW
    11
    S
    11
    SSW
    11
    S
    10
    S
    10
    S
    10
    S
    10
    Wind gust (mph)
    26
    25
    25
    25
    23
    23
    23
    23
    22
    22
    21
    22
    20
    19
    18
    15
    14
    16
    15
    14
    13
    15
    15
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    Humidity
    91%
    91%
    91%
    92%
    92%
    92%
    93%
    93%
    93%
    92%
    93%
    95%
    94%
    92%
    92%
    91%
    91%
    91%
    92%
    93%
    94%
    95%
    95%
    95%
    UV - - - - - - - 1 1 1 1 2 3 3 3 2 1 1 1 1 - - - -
    Saturday (20 September 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 Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light shower day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    60%
    60%
    50%
    60%
    70%
    70%
    70%
    80%
    80%
    70%
    60%
    60%
    60%
    50%
    50%
    40%
    40%
    60%
    60%
    60%
    50%
    60%
    60%
    60%
    Temperature (°C)
    15°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    12°
    12°
    Feels like temperature (°C)
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    12°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    Wind direction and speed (mph)
    S
    10
    S
    10
    SSE
    10
    S
    11
    S
    10
    SSE
    11
    NE
    11
    ENE
    12
    E
    13
    N
    14
    NNW
    15
    NNW
    16
    NW
    16
    NW
    16
    WNW
    17
    WNW
    17
    W
    17
    W
    18
    W
    18
    W
    18
    WNW
    17
    WNW
    17
    WNW
    16
    WNW
    16
    Wind gust (mph)
    16
    16
    15
    17
    18
    17
    19
    20
    19
    19
    21
    22
    24
    25
    26
    28
    27
    29
    28
    28
    26
    26
    24
    21
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    G
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    94%
    95%
    95%
    95%
    96%
    96%
    96%
    96%
    95%
    94%
    91%
    90%
    86%
    85%
    82%
    77%
    80%
    75%
    78%
    78%
    78%
    79%
    78%
    78%
    UV - - - - - - - 1 1 1 1 2 3 4 4 3 2 1 1 1 - - - -
    Sunday (21 September 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 Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Partly cloudy night
    Chance of precipitation
    60%
    70%
    70%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    70%
    60%
    60%
    60%
    60%
    60%
    50%
    60%
    60%
    60%
    60%
    60%
    50%
    50%
    Temperature (°C)
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    13°
    12°
    13°
    13°
    13°
    12°
    12°
    11°
    11°
    11°
    11°
    10°
    Feels like temperature (°C)
    10°
    Wind direction and speed (mph)
    NW
    16
    NW
    16
    NNW
    16
    NNW
    15
    NNW
    15
    NNW
    16
    N
    16
    N
    16
    N
    16
    N
    17
    N
    17
    N
    17
    N
    18
    N
    19
    N
    20
    N
    21
    N
    21
    N
    21
    N
    20
    N
    19
    NNE
    18
    NNE
    18
    NNE
    17
    NNE
    16
    Wind gust (mph)
    21
    21
    22
    24
    25
    24
    24
    28
    30
    29
    27
    29
    31
    32
    33
    35
    33
    33
    35
    33
    33
    33
    32
    32
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    80%
    79%
    79%
    82%
    82%
    82%
    81%
    79%
    80%
    76%
    75%
    75%
    74%
    72%
    72%
    71%
    66%
    71%
    71%
    71%
    72%
    73%
    74%
    75%
    UV - - - - - - - 1 1 1 2 3 4 4 4 3 1 1 1 1 - - - -
    Monday (22 September 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Light shower night Light shower night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    50%
    60%
    50%
    40%
    30%
    20%
    10%
    10%
    10%
    Temperature (°C)
    10°
    10°
    10°
    10°
    12°
    14°
    13°
    12°
    11°
    Feels like temperature (°C)
    10°
    10°
    Wind direction and speed (mph)
    NNE
    15
    NNE
    14
    NE
    13
    NE
    13
    NE
    15
    NNE
    16
    NNE
    16
    NNE
    15
    NE
    11
    Wind gust (mph)
    30
    26
    23
    24
    25
    26
    25
    20
    15
    Visibility (description)
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    78%
    79%
    80%
    70%
    61%
    61%
    67%
    75%
    UV - - - 1 2 4 2 1 -
    Tuesday (23 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    10%
    Temperature (°C)
    10°
    10°
    12°
    14°
    14°
    12°
    10°
    Feels like temperature (°C)
    10°
    12°
    11°
    10°
    Wind direction and speed (mph)
    NNE
    10
    NNE
    9
    NNE
    9
    NNE
    11
    NNE
    12
    NNE
    13
    NNE
    11
    NE
    9
    Wind gust (mph)
    14
    12
    14
    16
    17
    16
    11
    10
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    78%
    82%
    84%
    67%
    58%
    57%
    71%
    82%
    UV - - 1 2 4 2 1 -
    Wednesday (24 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    20%
    10%
    10%
    10%
    10%
    Temperature (°C)
    10°
    13°
    14°
    14°
    13°
    11°
    Feels like temperature (°C)
    11°
    12°
    12°
    11°
    Wind direction and speed (mph)
    NE
    8
    ENE
    8
    ENE
    8
    ENE
    11
    ENE
    12
    NNE
    11
    NNE
    10
    NE
    8
    Wind gust (mph)
    9
    8
    10
    13
    13
    12
    11
    9
    Visibility (description)
    VG
    G
    G
    VG
    VG
    VG
    VG
    G
    Humidity
    85%
    87%
    89%
    75%
    67%
    66%
    81%
    88%
    UV - - 1 2 4 2 1 -

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    WARNING
    Flood warnings icon
    Flood warnings in force for England
    Flood warnings in force for England

    South West England weather forecast

    Headline:

    Cloudy with outbreaks of rain. Breezy.

    This Evening and Tonight:

    Cloudy this evening with further spells of rain and drizzle intermittently through the night, heaviest in the north and over the Moors. Remaining windy, especially at the coasts, and feeling rather muggy overnight. Minimum temperature 15 °C.

    Thursday:

    A cloudy and mild start to Thursday with some drizzle in places. Turning drier through the afternoon with some brighter intervals. Feeling humid and staying windy. Maximum temperature 20 °C.

    Outlook for Friday to Sunday:

    Remaining changeable with showers or longer spells of rain at times. Some brighter periods are also likely, mainly on Friday. Temperatures close to average but turning colder through Sunday. Breezy.

    Updated:

    UK long range weather forecast

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