St Agnes (Cornwall) weather

Forecast days

Light rain changing to sunny intervals in the afternoon.
Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution
Next high tide: for
Porthtowan (Beach)

    7 day forecast for St Agnes

    Today (27 March 2026)
    Time
    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 Light rain Light rain Light rain Overcast Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Clear night
    Chance of precipitation
    90%
    90%
    ≥95%
    ≥95%
    90%
    90%
    80%
    70%
    40%
    10%
    10%
    10%
    20%
    20%
    20%
    20%
    10%
    Temperature
    10°
    10°
    10°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed
    SW
    12
    SW
    13
    SW
    14
    WSW
    15
    WSW
    15
    W
    15
    W
    14
    NW
    14
    NNW
    13
    NW
    13
    NW
    14
    NW
    15
    NW
    16
    NW
    17
    NW
    18
    NW
    19
    NW
    20
    Wind gust (mph)
    22
    24
    25
    26
    25
    24
    24
    23
    22
    23
    23
    24
    27
    28
    30
    31
    30
    Visibility
    M
    M
    M
    P
    P
    P
    P
    M
    M
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    94%
    93%
    95%
    96%
    97%
    97%
    98%
    95%
    89%
    83%
    79%
    77%
    77%
    75%
    71%
    65%
    61%
    UV 1 1 1 1 1 1 1 1 1 1 1 1 - - - - -
    Saturday (28 March 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 day Sunny day Sunny day Clear night Clear night Clear night Clear night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    20%
    30%
    30%
    20%
    20%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    NW
    20
    NW
    19
    NW
    19
    NW
    19
    NW
    20
    NW
    21
    NW
    21
    NW
    21
    NW
    21
    NW
    21
    NW
    22
    NW
    22
    NW
    21
    NW
    21
    NW
    21
    NW
    21
    NW
    20
    NW
    20
    NW
    19
    NW
    18
    NW
    17
    NW
    15
    NW
    14
    NW
    13
    Wind gust (mph)
    30
    30
    28
    29
    34
    34
    34
    34
    35
    35
    36
    35
    35
    34
    33
    34
    33
    31
    29
    26
    26
    23
    21
    19
    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
    57%
    56%
    55%
    55%
    58%
    63%
    64%
    59%
    56%
    55%
    54%
    54%
    54%
    54%
    54%
    54%
    55%
    55%
    55%
    58%
    58%
    61%
    63%
    64%
    UV - - - - - - 1 1 1 2 2 3 3 3 2 2 1 1 1 - - - - -
    Sunday (29 March 2026)
    Time
    00:00
    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 Partly cloudy night Sunny intervals Cloudy Cloudy Cloudy Overcast Overcast Overcast Overcast Light rain Light rain Light rain Light rain Light rain Overcast Overcast Overcast Overcast
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    10%
    10%
    10%
    10%
    20%
    30%
    50%
    70%
    80%
    90%
    80%
    40%
    10%
    10%
    10%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    NW
    12
    NW
    11
    NW
    10
    WNW
    10
    WNW
    10
    W
    10
    W
    11
    WSW
    11
    WSW
    13
    WSW
    15
    WSW
    18
    WSW
    20
    WSW
    21
    WSW
    22
    WSW
    22
    WSW
    22
    WSW
    23
    WSW
    23
    WSW
    23
    W
    23
    W
    23
    W
    23
    W
    22
    Wind gust (mph)
    19
    17
    15
    16
    17
    18
    20
    21
    25
    28
    31
    33
    35
    36
    37
    37
    37
    37
    37
    37
    37
    35
    34
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    M
    M
    P
    P
    P
    P
    P
    Humidity
    64%
    65%
    67%
    69%
    68%
    68%
    70%
    71%
    67%
    65%
    65%
    65%
    66%
    70%
    73%
    79%
    86%
    91%
    94%
    95%
    96%
    97%
    97%
    UV - - - - - - 1 1 1 1 2 2 2 1 1 1 1 1 1 - - - -
    Monday (30 March 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 Overcast Cloudy 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 Cloudy Overcast Overcast Overcast Overcast Mist Mist
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WNW
    21
    WNW
    21
    WNW
    20
    WNW
    19
    WNW
    19
    WNW
    20
    WNW
    20
    NW
    19
    NW
    18
    NW
    18
    NW
    18
    NW
    17
    NW
    17
    NW
    17
    NW
    16
    WNW
    16
    WNW
    15
    WNW
    14
    WNW
    13
    WNW
    13
    WNW
    13
    W
    13
    WNW
    13
    WNW
    13
    Wind gust (mph)
    33
    32
    31
    31
    31
    31
    30
    29
    29
    29
    27
    27
    26
    25
    24
    24
    22
    22
    22
    21
    22
    22
    22
    22
    Visibility (description)
    P
    P
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    P
    P
    P
    Humidity
    96%
    95%
    93%
    92%
    90%
    88%
    87%
    86%
    86%
    83%
    79%
    79%
    78%
    79%
    79%
    79%
    80%
    84%
    88%
    92%
    94%
    96%
    96%
    96%
    UV - - - - - - - 1 1 1 1 2 3 3 3 2 1 1 1 1 - - - -
    Tuesday (31 March 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 Fog Fog Fog Mist Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    10%
    10%
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WNW
    13
    WNW
    13
    WNW
    13
    WNW
    13
    WNW
    14
    WNW
    14
    WNW
    14
    WNW
    14
    WNW
    13
    WNW
    14
    WNW
    14
    WNW
    14
    WNW
    15
    WNW
    15
    WNW
    15
    WNW
    15
    WNW
    15
    WNW
    15
    WNW
    15
    WNW
    13
    WNW
    13
    WNW
    12
    WNW
    11
    WNW
    11
    Wind gust (mph)
    22
    23
    23
    23
    24
    23
    23
    22
    22
    23
    22
    23
    24
    24
    23
    23
    23
    22
    22
    21
    19
    19
    19
    18
    Visibility (description)
    P
    P
    P
    P
    P
    P
    P
    P
    M
    M
    G
    G
    G
    G
    G
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    Humidity
    97%
    96%
    97%
    97%
    96%
    96%
    95%
    94%
    93%
    92%
    88%
    86%
    84%
    83%
    82%
    80%
    80%
    80%
    83%
    86%
    89%
    90%
    91%
    92%
    UV - - - - - - - 1 1 1 1 2 2 3 3 2 1 1 1 1 - - - -
    Wednesday (1 April 2026)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    10%
    10%
    <5%
    <5%
    10%
    Temperature (°C)
    10°
    11°
    11°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WNW
    10
    W
    10
    W
    10
    W
    8
    WNW
    11
    WNW
    12
    WNW
    13
    WNW
    11
    WNW
    8
    Wind gust (mph)
    18
    16
    13
    18
    21
    22
    21
    16
    14
    Visibility (description)
    G
    G
    G
    M
    G
    G
    G
    G
    G
    Humidity
    92%
    92%
    94%
    95%
    90%
    81%
    78%
    84%
    91%
    UV - - - 1 2 3 1 1 -
    Thursday (2 April 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Overcast Cloudy Sunny intervals Cloudy Cloudy Overcast
    Chance of precipitation
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    30%
    Temperature (°C)
    10°
    11°
    11°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    8
    WSW
    8
    SW
    9
    SW
    12
    SSW
    13
    SW
    15
    SW
    13
    SW
    13
    Wind gust (mph)
    14
    15
    19
    23
    23
    24
    21
    21
    Visibility (description)
    G
    M
    M
    G
    G
    G
    G
    G
    Humidity
    93%
    94%
    93%
    83%
    77%
    75%
    82%
    89%
    UV - - 1 2 3 2 1 -

    UK video forecast

    St Agnes weather map

    View the weather with our interactive map

    Loading map...
    WARNING
    Flood warnings icon
    Flood warnings in force for England
    Flood warnings in force for England

    South West England weather forecast

    Headline:

    Wet at times today, drier, sunnier and windier tomorrow.

    Today:

    A cloudy and often damp day with rain and drizzle. Turning increasingly murky with coastal mist and hill fog developing. Some drier periods can also be expected. Breezy in places. Maximum temperature 12 °C.

    Tonight:

    Showery rain clearing this evening to leave an increasingly dry night with clear spells developing overnight. Turning chilly with a patchy grass frost developing in the countryside. Freshening winds later. Minimum temperature 1 °C.

    Saturday:

    A blustery day with a cold northwesterly wind. Often dry with a mixture of cloudy periods and sunny spells but the chance of a few showers. Maximum temperature 10 °C.

    Outlook for Sunday to Tuesday:

    Staying changeable and often windy with rain at times, this heaviest and most persistent later on Sunday. Some brighter intervals are likely early next week too. Turning milder.

    Updated:

    UK long range weather forecast

    More from the Met Office