Castlewellan (County Down) weather

Forecast days

Light showers.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution

    7 day forecast for Castlewellan

    Today (31 August 2025)
    Time
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Light shower day Light shower day Light shower day Light shower day Heavy rain Heavy rain Heavy rain Light shower night
    Chance of precipitation
    60%
    80%
    90%
    80%
    80%
    80%
    90%
    80%
    Temperature
    16°
    16°
    15°
    14°
    14°
    14°
    14°
    13°
    Feels like temperature (°C)
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    Wind direction and speed
    S
    20
    S
    20
    S
    19
    S
    17
    S
    16
    S
    15
    SSW
    14
    SSW
    13
    Wind gust (mph)
    42
    41
    38
    36
    34
    33
    31
    30
    Visibility
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    76%
    77%
    81%
    85%
    85%
    86%
    87%
    88%
    UV 3 1 1 1 1 - - -
    Monday (1 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 Cloudy Light shower night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Cloudy Cloudy Sunny intervals Sunny intervals Light shower day Light shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Light shower day Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    60%
    50%
    60%
    40%
    40%
    30%
    10%
    10%
    20%
    40%
    40%
    40%
    40%
    60%
    70%
    80%
    90%
    90%
    80%
    50%
    30%
    10%
    <5%
    <5%
    Temperature (°C)
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    13°
    13°
    14°
    15°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    14°
    13°
    13°
    12°
    12°
    Feels like temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    11°
    11°
    12°
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    11°
    11°
    10°
    10°
    Wind direction and speed (mph)
    SSW
    12
    SSW
    12
    SSW
    11
    SW
    11
    SW
    10
    SW
    9
    SW
    10
    SW
    10
    SW
    12
    SW
    14
    SW
    15
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    W
    15
    WSW
    15
    WSW
    14
    WSW
    13
    WSW
    12
    WSW
    11
    WSW
    11
    WSW
    11
    Wind gust (mph)
    28
    27
    25
    24
    23
    22
    23
    25
    28
    28
    29
    29
    30
    30
    30
    30
    29
    27
    25
    22
    21
    21
    20
    21
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    90%
    90%
    89%
    91%
    91%
    91%
    91%
    90%
    88%
    87%
    85%
    83%
    80%
    75%
    74%
    74%
    77%
    83%
    84%
    86%
    87%
    87%
    87%
    87%
    UV - - - - - - 1 1 1 2 3 4 5 5 4 3 2 1 1 1 1 - - -
    Tuesday (2 September 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Cloudy Light shower day Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    10%
    20%
    50%
    60%
    40%
    20%
    20%
    Temperature (°C)
    12°
    12°
    11°
    11°
    14°
    15°
    15°
    15°
    13°
    Feels like temperature (°C)
    10°
    10°
    13°
    14°
    14°
    14°
    12°
    Wind direction and speed (mph)
    WSW
    11
    WSW
    11
    WSW
    8
    SW
    5
    S
    6
    SSE
    7
    SSW
    7
    SW
    6
    W
    5
    Wind gust (mph)
    20
    19
    15
    12
    15
    15
    12
    11
    11
    Visibility (description)
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    88%
    89%
    91%
    89%
    78%
    75%
    78%
    82%
    89%
    UV - - - 1 3 5 2 1 -
    Wednesday (3 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Cloudy Light shower day Light shower day Cloudy Partly cloudy night
    Chance of precipitation
    20%
    30%
    30%
    50%
    70%
    70%
    50%
    30%
    Temperature (°C)
    12°
    12°
    11°
    14°
    15°
    14°
    14°
    12°
    Feels like temperature (°C)
    11°
    10°
    10°
    12°
    13°
    12°
    12°
    11°
    Wind direction and speed (mph)
    W
    6
    W
    6
    W
    6
    W
    8
    W
    10
    WSW
    12
    W
    11
    W
    9
    Wind gust (mph)
    11
    10
    9
    14
    19
    18
    17
    19
    Visibility (description)
    VG
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    90%
    92%
    92%
    83%
    77%
    79%
    86%
    89%
    UV - - 1 3 3 2 1 -
    Thursday (4 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    20%
    30%
    40%
    50%
    40%
    30%
    20%
    Temperature (°C)
    12°
    11°
    11°
    14°
    15°
    15°
    14°
    12°
    Feels like temperature (°C)
    10°
    11°
    12°
    12°
    11°
    Wind direction and speed (mph)
    W
    9
    W
    10
    W
    12
    WSW
    16
    WSW
    18
    WSW
    17
    W
    14
    WSW
    12
    Wind gust (mph)
    16
    18
    21
    26
    28
    27
    22
    19
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    92%
    93%
    91%
    83%
    70%
    69%
    75%
    83%
    UV - - 1 3 5 3 1 -
    Friday (5 September 2025)
    Time
    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 Cloudy
    Chance of precipitation
    20%
    20%
    20%
    30%
    40%
    30%
    20%
    30%
    Temperature (°C)
    11°
    11°
    11°
    14°
    15°
    16°
    14°
    13°
    Feels like temperature (°C)
    11°
    12°
    13°
    12°
    11°
    Wind direction and speed (mph)
    WSW
    13
    WSW
    13
    WSW
    12
    SW
    15
    SW
    17
    SW
    16
    SSW
    13
    SSW
    11
    Wind gust (mph)
    19
    19
    24
    27
    28
    25
    18
    17
    Visibility (description)
    VG
    G
    G
    G
    G
    VG
    VG
    G
    Humidity
    86%
    89%
    91%
    83%
    76%
    75%
    82%
    87%
    UV - - 1 3 3 2 1 -
    Saturday (6 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Overcast Overcast Drizzle Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    30%
    30%
    40%
    50%
    50%
    40%
    40%
    40%
    Temperature (°C)
    12°
    13°
    13°
    15°
    16°
    16°
    15°
    14°
    Feels like temperature (°C)
    10°
    10°
    10°
    12°
    13°
    13°
    13°
    12°
    Wind direction and speed (mph)
    SSW
    12
    SSW
    12
    SSW
    13
    SSW
    16
    SSW
    18
    SSW
    17
    SSW
    14
    SSW
    11
    Wind gust (mph)
    16
    15
    21
    26
    25
    23
    15
    13
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    92%
    93%
    93%
    91%
    87%
    85%
    90%
    93%
    UV - - 1 2 3 2 1 -

    UK video forecast

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    Northern Ireland weather forecast

    Headline:

    Showers this morning, turning heavier and quite frequent for afternoon.

    Today:

    A day of showers, these isolated and light for the morning, then turning heavier and quite frequent through the afternoon, bringing the risk of thunderstorms, particularly to the west of Lough Neagh. Southerly winds strong. Maximum temperature 18 °C.

    Tonight:

    Showers or longer periods of rain, turning heavy at times with the risk of thunderstorms. Winds southerly, strongest at first. Minimum temperature 12 °C.

    Monday:

    Showery with risk thunderstorms. Outbreaks most frequent across northern districts. Fresh to strong winds veering west to southwest. Maximum temperature 18 °C.

    Outlook for Tuesday to Thursday:

    Showers and brighter spells through the outlook period, with north and west wettest. Winds variable in direction and relatively light.

    Updated:

    UK long range weather forecast

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