Portland Harbour - Castle Cove (Beach) (Dorset) weather

Here are our top tips to keep you, your friends and family safe at the beach with links to Royal National Lifeboat Institution (RNLI) and Met Office advice.

Forecast days

Light rain.
Beach safety today
Use caution in the sea. Waves can be bigger or stronger than you expect, strong rips likely, strong wind may blow you off course
  • • unsafe for novice surfers
  • • paddle boarding/kayaking not recommended at any level

Tide: Next high tide (3.6m) at

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

    7 day forecast for Portland Harbour - Castle Cove (Beach)

    Today (20 December 2025)
    Time
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Light rain Light rain Light rain Light rain Light shower night Light shower night
    Chance of precipitation
    80%
    80%
    90%
    70%
    80%
    70%
    Temperature
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    7°
    7°
    7°
    7°
    7°
    7°
    Wind direction and speed
    SE
    17
    SE
    18
    SE
    18
    SSE
    17
    SSE
    15
    SSE
    13
    Wind gust (mph)
    35
    36
    35
    33
    29
    28
    Visibility
    E
    E
    VG
    E
    E
    E
    Humidity
    83%
    86%
    90%
    91%
    92%
    91%
    UV - - - - - -
    Wind direction and speed
    18
    19
    19
    18
    16
    14
    Height of waves offshore (m)
    0.7
    0.7
    0.8
    0.8
    0.8
    0.7
    Period of waves offshore (s)
    5
    5
    5
    5
    5
    6
    Direction of waves offshore
    Sunday (21 December 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Light rain Light rain Light rain Light rain Light rain Light rain
    Chance of precipitation
    40%
    30%
    10%
    <5%
    10%
    10%
    10%
    10%
    30%
    40%
    30%
    30%
    30%
    20%
    30%
    30%
    40%
    40%
    60%
    80%
    80%
    80%
    80%
    80%
    Temperature (°C)
    10°
    10°
    9°
    9°
    9°
    8°
    9°
    9°
    9°
    9°
    10°
    10°
    10°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    Feels like temperature (°C)
    8°
    8°
    8°
    7°
    7°
    7°
    7°
    7°
    7°
    7°
    7°
    8°
    8°
    8°
    8°
    8°
    8°
    8°
    8°
    8°
    8°
    8°
    8°
    8°
    Wind direction and speed (mph)
    S
    12
    S
    9
    S
    8
    S
    6
    SSE
    6
    SE
    6
    ESE
    6
    ESE
    7
    ESE
    8
    ESE
    9
    E
    10
    E
    11
    E
    13
    E
    14
    E
    14
    E
    14
    E
    13
    ENE
    13
    ENE
    12
    ENE
    12
    ENE
    12
    ENE
    12
    ENE
    13
    E
    13
    Wind gust (mph)
    24
    20
    17
    14
    11
    13
    15
    17
    17
    18
    18
    19
    22
    22
    23
    24
    23
    23
    22
    21
    21
    20
    19
    18
    Visibility (description)
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    M
    M
    M
    Humidity
    87%
    84%
    83%
    84%
    85%
    86%
    86%
    87%
    90%
    90%
    91%
    90%
    90%
    89%
    90%
    92%
    93%
    94%
    94%
    95%
    96%
    96%
    96%
    95%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    12
    10
    8
    7
    6
    5
    6
    6
    7
    8
    9
    11
    12
    13
    14
    14
    13
    12
    12
    12
    12
    12
    12
    12
    Height of waves offshore (m)
    0.7
    0.7
    0.6
    0.6
    0.5
    0.5
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.5
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.5
    0.5
    0.5
    0.6
    0.7
    Period of waves offshore (s)
    6
    6
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    4
    4
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    Direction of waves offshore
    Monday (22 December 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 Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Partly cloudy night
    Chance of precipitation
    80%
    80%
    60%
    50%
    40%
    30%
    30%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    8°
    8°
    8°
    8°
    9°
    8°
    8°
    8°
    8°
    8°
    9°
    9°
    9°
    9°
    9°
    9°
    9°
    9°
    9°
    9°
    9°
    8°
    8°
    8°
    Wind direction and speed (mph)
    E
    12
    E
    12
    E
    12
    E
    11
    E
    11
    E
    11
    E
    11
    ENE
    11
    ENE
    11
    E
    11
    E
    11
    E
    11
    E
    11
    E
    12
    E
    11
    E
    10
    E
    9
    E
    8
    E
    8
    E
    8
    E
    7
    E
    7
    ENE
    8
    ENE
    8
    Wind gust (mph)
    20
    21
    19
    17
    17
    15
    15
    15
    15
    15
    15
    15
    15
    15
    14
    14
    15
    13
    12
    11
    9
    10
    10
    10
    Visibility (description)
    M
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    Humidity
    95%
    96%
    95%
    95%
    95%
    95%
    95%
    95%
    94%
    93%
    92%
    90%
    88%
    86%
    86%
    87%
    89%
    90%
    90%
    91%
    92%
    92%
    92%
    93%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    11
    11
    11
    11
    11
    11
    11
    11
    10
    10
    10
    10
    11
    11
    11
    10
    8
    8
    8
    7
    7
    7
    7
    7
    Height of waves offshore (m)
    0.8
    0.8
    0.9
    0.8
    0.8
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.7
    0.7
    Period of waves offshore (s)
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    5
    5
    5
    5
    5
    5
    5
    Direction of waves offshore
    Tuesday (23 December 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 Partly cloudy night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    <5%
    10%
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    Temperature (°C)
    10°
    9°
    9°
    9°
    9°
    8°
    8°
    8°
    8°
    8°
    8°
    9°
    9°
    9°
    9°
    9°
    9°
    8°
    8°
    8°
    7°
    7°
    7°
    7°
    Feels like temperature (°C)
    8°
    8°
    7°
    7°
    6°
    6°
    6°
    6°
    5°
    5°
    6°
    6°
    6°
    7°
    7°
    6°
    6°
    5°
    5°
    4°
    4°
    3°
    3°
    3°
    Wind direction and speed (mph)
    ENE
    8
    ENE
    8
    NE
    8
    NE
    8
    NE
    8
    NE
    9
    NE
    9
    NE
    9
    NE
    10
    NE
    10
    NE
    11
    NE
    11
    NE
    11
    NE
    12
    NE
    12
    NE
    12
    NE
    12
    NE
    13
    NE
    13
    NE
    13
    NE
    14
    NE
    14
    NE
    15
    NE
    15
    Wind gust (mph)
    10
    11
    11
    13
    12
    14
    15
    16
    17
    18
    18
    18
    18
    19
    20
    20
    21
    22
    22
    24
    24
    26
    27
    28
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    92%
    92%
    93%
    93%
    93%
    92%
    92%
    91%
    90%
    89%
    88%
    85%
    84%
    82%
    81%
    81%
    84%
    83%
    82%
    83%
    84%
    83%
    83%
    82%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    7
    7
    7
    8
    8
    9
    9
    10
    10
    10
    11
    11
    11
    12
    12
    12
    12
    12
    13
    13
    13
    14
    14
    15
    Height of waves offshore (m)
    0.7
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.6
    0.6
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.6
    0.6
    0.6
    0.7
    0.7
    Period of waves offshore (s)
    5
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    5
    5
    5
    5
    5
    5
    5
    5
    6
    6
    6
    Direction of waves offshore
    Wednesday (24 December 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 Overcast Overcast Overcast Overcast Overcast Overcast 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 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)
    6°
    6°
    6°
    6°
    5°
    5°
    5°
    5°
    5°
    4°
    5°
    5°
    6°
    6°
    6°
    6°
    5°
    5°
    4°
    4°
    4°
    3°
    3°
    3°
    Feels like temperature (°C)
    2°
    2°
    2°
    1°
    1°
    1°
    0°
    0°
    0°
    -1°
    0°
    1°
    1°
    2°
    2°
    1°
    0°
    -1°
    -1°
    -1°
    -2°
    -2°
    -2°
    -2°
    Wind direction and speed (mph)
    NE
    15
    NE
    15
    NE
    15
    NE
    16
    NE
    16
    NE
    16
    NE
    17
    NE
    17
    NE
    17
    ENE
    18
    ENE
    18
    ENE
    19
    ENE
    19
    NE
    19
    NE
    19
    NE
    19
    NE
    19
    NE
    18
    NE
    18
    NE
    18
    NE
    17
    NE
    17
    NE
    16
    NE
    16
    Wind gust (mph)
    28
    28
    30
    31
    32
    33
    32
    32
    33
    33
    33
    33
    32
    33
    32
    33
    33
    34
    34
    34
    34
    34
    33
    31
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    82%
    81%
    81%
    80%
    80%
    80%
    80%
    80%
    78%
    77%
    75%
    69%
    67%
    66%
    65%
    66%
    68%
    70%
    70%
    73%
    74%
    74%
    74%
    75%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    15
    15
    15
    16
    16
    16
    17
    17
    17
    18
    18
    19
    19
    19
    19
    19
    18
    18
    18
    18
    17
    17
    16
    16
    Height of waves offshore (m)
    0.7
    0.8
    0.8
    0.8
    0.9
    0.9
    0.9
    1.0
    1.0
    1.1
    1.1
    1.2
    1.2
    1.2
    1.3
    1.3
    1.3
    1.3
    1.3
    1.3
    1.3
    1.3
    1.3
    1.3
    Period of waves offshore (s)
    6
    6
    6
    7
    7
    7
    7
    7
    7
    7
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    Direction of waves offshore
    Thursday (25 December 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Partly cloudy night Partly cloudy night Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    3°
    2°
    2°
    2°
    3°
    4°
    3°
    2°
    Feels like temperature (°C)
    -2°
    -3°
    -4°
    -3°
    -2°
    -1°
    -2°
    -2°
    Wind direction and speed (mph)
    NE
    16
    NE
    15
    NE
    16
    NE
    15
    NE
    16
    NE
    14
    NE
    13
    ENE
    11
    Wind gust (mph)
    29
    30
    29
    30
    29
    26
    23
    21
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    74%
    72%
    72%
    66%
    69%
    74%
    80%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    16
    15
    15
    15
    16
    14
    12
    11
    Height of waves offshore (m)
    1.3
    1.2
    1.1
    1.1
    1.1
    1.2
    1.1
    1.0
    Period of waves offshore (s)
    8
    8
    8
    8
    8
    8
    7
    6
    Direction of waves offshore
    Friday (26 December 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    2°
    2°
    2°
    2°
    4°
    5°
    4°
    4°
    Feels like temperature (°C)
    -2°
    -2°
    -2°
    -2°
    0°
    1°
    0°
    0°
    Wind direction and speed (mph)
    NE
    10
    NE
    9
    NE
    10
    NE
    10
    NE
    12
    NE
    12
    NE
    10
    NE
    10
    Wind gust (mph)
    18
    18
    18
    21
    22
    20
    19
    19
    Visibility (description)
    VG
    VG
    VG
    VG
    G
    VG
    VG
    VG
    Humidity
    84%
    84%
    85%
    85%
    78%
    78%
    85%
    86%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    10
    		 – – – – – – –
    Height of waves offshore (m)
    0.9
    		 – – – – – – –
    Period of waves offshore (s)
    6
    		 – – – – – – –
    Direction of waves offshore
    –
    –
    –
    –
    –
    –
    –

    Tide times

    Saturday 20 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 20 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 20 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 20 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 21 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 21 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 21 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 21 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 22 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 22 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 22 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 22 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 23 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 23 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 23 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 23 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 24 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 24 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 24 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 24 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 25 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 25 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 25 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 25 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 26 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 26 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 26 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 26 December

    Tide times and heights are from Chesil Cove tidal station which is 2.1 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times explained
    News

    Drier, colder conditions for Christmas

    Changeable weather will continue to dominate in the run-up to Christmas before high pressure builds bringing drier but colder conditions.

    Read more

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    Portland Harbour - Castle Cove (Beach) weather map

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    Forecast for 6pm Saturday
    Updated 15:00 (UTC) on Sat 20 Dec 2025
    WARNING
    Flood warnings icon
    Flood warnings in force for England
    Flood warnings in force for England

    Environment Agency

    Updated:

    South West England weather forecast

    Headline:

    Further spells of rain and showers. Winds gradually easing.

    This Evening and Tonight:

    Outbreaks of heavy rain and blustery winds will spread eastwards through the evening. Drier overnight, with a mixture of clear spells and scattered showers. Winds tending to ease. Turning chilly where skies remain clear, with some fog patches forming. Minimum temperature 4 °C.

    Sunday:

    After a bright start, cloud and showery outbreaks of rain will move up from the south as the day progresses. Feeling chilly under cloudy skies. Staying breezy around the coasts. Maximum temperature 10 °C.

    Outlook for Monday to Wednesday:

    Often cloudy and dull through this period with some rain and drizzle possible at first. Gradually turning colder and possibly brighter with an easterly breeze developing.

    Updated:

    UK long range weather forecast

    More from the Met Office