Lough Cowey (County Down) weather

Forecast days

Overcast.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution

    7 day forecast for Lough Cowey

    Today (5 September 2026)
    Time
    22:00
    23:00
    Weather symbols Overcast Overcast
    Chance of precipitation
    10%
    20%
    Temperature
    15°
    15°
    Feels like temperature (°C)
    13°
    13°
    Wind direction and speed
    SSE
    11
    S
    13
    Wind gust (mph)
    23
    25
    Visibility
    G
    G
    Humidity
    82%
    84%
    UV - -
    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 Overcast Overcast Light rain Light rain Light rain Light rain Light rain Mist Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Light shower day Light shower night Overcast Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    30%
    60%
    80%
    80%
    70%
    60%
    30%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    20%
    20%
    20%
    10%
    20%
    60%
    70%
    40%
    20%
    <5%
    Temperature (°C)
    15°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    16°
    Feels like temperature (°C)
    13°
    13°
    12°
    13°
    13°
    13°
    13°
    13°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    14°
    Wind direction and speed (mph)
    S
    14
    S
    15
    S
    17
    S
    17
    S
    17
    S
    17
    S
    18
    S
    18
    S
    19
    S
    20
    S
    22
    S
    24
    S
    24
    S
    24
    S
    24
    S
    23
    S
    22
    S
    21
    S
    18
    S
    18
    S
    16
    SSW
    14
    WSW
    13
    W
    11
    Wind gust (mph)
    28
    30
    30
    31
    31
    32
    32
    34
    35
    37
    37
    38
    38
    38
    38
    36
    36
    34
    34
    32
    30
    26
    23
    19
    Visibility (description)
    G
    G
    M
    M
    M
    M
    M
    P
    P
    M
    M
    M
    G
    G
    M
    G
    G
    G
    M
    M
    M
    M
    G
    G
    Humidity
    82%
    84%
    85%
    91%
    93%
    96%
    96%
    95%
    93%
    92%
    88%
    85%
    84%
    83%
    84%
    85%
    85%
    86%
    86%
    90%
    92%
    93%
    90%
    85%
    UV - - - - - - 1 1 1 1 2 2 4 3 2 2 2 1 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 Partly cloudy night Clear night Clear night Clear night Clear night Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Light rain Light rain Light rain Light rain Light shower day Sunny intervals Partly cloudy night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    20%
    30%
    50%
    60%
    70%
    70%
    60%
    60%
    50%
    40%
    20%
    20%
    20%
    Temperature (°C)
    15°
    14°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    15°
    16°
    16°
    17°
    17°
    16°
    16°
    16°
    15°
    14°
    13°
    13°
    13°
    12°
    Feels like temperature (°C)
    13°
    13°
    12°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    11°
    11°
    10°
    10°
    Wind direction and speed (mph)
    W
    10
    WSW
    9
    WSW
    9
    WSW
    10
    WSW
    10
    SW
    10
    SW
    10
    SW
    10
    SW
    11
    SSW
    13
    SSW
    15
    SSW
    16
    SSW
    17
    SSW
    17
    SSW
    18
    SSW
    18
    SW
    17
    SW
    17
    SW
    16
    SW
    15
    SW
    15
    SW
    14
    SW
    15
    SW
    16
    Wind gust (mph)
    18
    17
    18
    19
    20
    20
    21
    22
    24
    26
    28
    30
    31
    34
    32
    34
    33
    34
    32
    30
    30
    32
    33
    34
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    G
    G
    G
    G
    Humidity
    85%
    86%
    90%
    90%
    88%
    86%
    86%
    85%
    84%
    77%
    75%
    73%
    71%
    72%
    72%
    74%
    79%
    76%
    78%
    81%
    82%
    80%
    78%
    78%
    UV - - - - - - 1 1 1 1 2 2 3 3 2 2 1 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 Clear night Partly cloudy night 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 Light shower day Light shower day Light shower day Light shower day Light shower day Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    10%
    10%
    <5%
    10%
    20%
    20%
    20%
    20%
    20%
    20%
    30%
    50%
    50%
    60%
    70%
    70%
    60%
    60%
    50%
    40%
    30%
    30%
    30%
    Temperature (°C)
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    13°
    14°
    14°
    15°
    15°
    16°
    16°
    16°
    15°
    15°
    14°
    13°
    13°
    13°
    12°
    Feels like temperature (°C)
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    10°
    10°
    10°
    Wind direction and speed (mph)
    SW
    17
    SW
    17
    SW
    18
    SW
    18
    SW
    17
    SW
    17
    WSW
    18
    WSW
    18
    WSW
    18
    WSW
    19
    WSW
    21
    W
    22
    W
    22
    W
    21
    W
    20
    W
    19
    W
    19
    W
    18
    W
    18
    W
    17
    W
    16
    W
    15
    W
    15
    W
    16
    Wind gust (mph)
    34
    34
    32
    33
    33
    34
    34
    35
    35
    37
    38
    38
    38
    37
    37
    36
    36
    34
    33
    32
    30
    30
    29
    29
    Visibility (description)
    G
    G
    G
    G
    G
    G
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    79%
    81%
    80%
    83%
    82%
    82%
    81%
    82%
    78%
    75%
    72%
    67%
    65%
    67%
    65%
    65%
    66%
    70%
    71%
    74%
    77%
    80%
    78%
    80%
    UV - - - - - - 1 1 1 2 3 3 4 4 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 Partly cloudy night Partly cloudy night 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 Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Cloudy Cloudy Cloudy
    Chance of precipitation
    20%
    20%
    20%
    20%
    10%
    10%
    20%
    20%
    20%
    10%
    10%
    10%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    <5%
    <5%
    10%
    20%
    20%
    Temperature (°C)
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    12°
    13°
    14°
    15°
    16°
    16°
    16°
    16°
    17°
    16°
    16°
    15°
    13°
    13°
    12°
    12°
    Feels like temperature (°C)
    10°
    11°
    12°
    13°
    14°
    14°
    15°
    15°
    15°
    14°
    14°
    12°
    12°
    11°
    11°
    Wind direction and speed (mph)
    W
    16
    W
    16
    W
    15
    W
    15
    W
    14
    W
    13
    W
    13
    W
    11
    W
    13
    W
    13
    WNW
    13
    WNW
    13
    WNW
    13
    WNW
    11
    WNW
    11
    WNW
    10
    WNW
    8
    WNW
    7
    WSW
    7
    SW
    6
    SSW
    6
    SSW
    5
    SSW
    6
    SSW
    6
    Wind gust (mph)
    28
    28
    27
    27
    26
    25
    24
    23
    23
    24
    23
    22
    22
    20
    20
    18
    17
    16
    15
    13
    13
    13
    14
    13
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    Humidity
    81%
    83%
    84%
    84%
    84%
    85%
    85%
    87%
    84%
    80%
    74%
    69%
    65%
    63%
    61%
    59%
    58%
    60%
    66%
    73%
    79%
    83%
    83%
    85%
    UV - - - - - - 1 1 1 2 3 4 4 4 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 Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast Cloudy Overcast
    Chance of precipitation
    30%
    30%
    40%
    40%
    40%
    40%
    40%
    30%
    30%
    Temperature (°C)
    12°
    12°
    13°
    13°
    15°
    17°
    18°
    16°
    15°
    Feels like temperature (°C)
    11°
    11°
    12°
    12°
    13°
    14°
    15°
    15°
    13°
    Wind direction and speed (mph)
    SSW
    6
    SSW
    6
    S
    7
    S
    9
    S
    13
    SSW
    14
    SSW
    14
    SSW
    11
    SW
    11
    Wind gust (mph)
    15
    15
    18
    23
    25
    25
    24
    20
    19
    Visibility (description)
    M
    G
    M
    M
    M
    M
    M
    M
    M
    Humidity
    85%
    87%
    89%
    93%
    89%
    84%
    82%
    87%
    92%
    UV - - - 1 2 3 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 Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    20%
    20%
    20%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    15°
    14°
    14°
    15°
    17°
    17°
    15°
    14°
    Feels like temperature (°C)
    13°
    12°
    12°
    14°
    14°
    15°
    14°
    12°
    Wind direction and speed (mph)
    WSW
    11
    WSW
    11
    W
    11
    W
    11
    WNW
    13
    WNW
    13
    NW
    10
    NW
    9
    Wind gust (mph)
    19
    19
    21
    23
    22
    18
    15
    16
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    Humidity
    92%
    92%
    92%
    85%
    74%
    69%
    77%
    88%
    UV - - 1 2 3 2 1 -

    UK video forecast

    Lough Cowey weather map

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    Northern Ireland weather forecast

    Headline:

    Cloudy with occasional rain on Sunday.

    This Evening and Tonight:

    Dry at first this evening with some bright spells but becoming cloudy through the evening and overnight with some patchy light rain and freshening southerly winds. Minimum temperature 12 °C.

    Sunday:

    Cloudy but mostly dry morning, some showery rain spreads east in the afternoon and evening. Strong southerly winds with a chance of coastal gales, winds easing somewhat in the evening. Maximum temperature 21 °C.

    Outlook for Monday to Wednesday:

    Bright start Monday then occasionally heavy rain or showers and becoming windy. Windy Tuesday with further occasionally heavy rain or showers. Mostly dry with bright spells on Wednesday.

    Updated:

    UK long range weather forecast