Dundonald (County Down) weather

Forecast days

Sunny intervals changing to cloudy in the afternoon.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution

    7 day forecast for Dundonald

    Today (27 August 2026)
    Time
    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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain
    Chance of precipitation
    <5%
    10%
    10%
    10%
    20%
    30%
    30%
    30%
    40%
    50%
    70%
    80%
    80%
    80%
    Temperature
    18°
    19°
    20°
    20°
    21°
    21°
    21°
    21°
    21°
    20°
    19°
    18°
    18°
    17°
    Feels like temperature (°C)
    17°
    18°
    18°
    19°
    20°
    20°
    21°
    21°
    21°
    20°
    19°
    19°
    18°
    18°
    Wind direction and speed
    E
    10
    E
    10
    E
    10
    E
    10
    ENE
    9
    ENE
    8
    ENE
    7
    NE
    6
    NE
    5
    NE
    5
    NE
    5
    NE
    5
    NE
    4
    NE
    4
    Wind gust (mph)
    20
    20
    19
    19
    18
    17
    15
    13
    12
    12
    12
    12
    13
    12
    Visibility
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    Humidity
    80%
    76%
    74%
    71%
    68%
    67%
    68%
    68%
    70%
    74%
    79%
    86%
    91%
    94%
    UV 3 4 5 5 5 3 2 1 1 1 1 - - -
    Friday (28 August 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 Light rain Light rain Light rain Light rain Light rain Light rain Light rain Overcast Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Clear night Clear night Clear night Partly cloudy night
    Chance of precipitation
    80%
    80%
    80%
    90%
    80%
    70%
    60%
    50%
    30%
    10%
    10%
    10%
    10%
    20%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    19°
    20°
    20°
    21°
    22°
    22°
    22°
    21°
    20°
    19°
    17°
    16°
    15°
    Feels like temperature (°C)
    18°
    18°
    17°
    16°
    16°
    16°
    16°
    15°
    15°
    16°
    17°
    18°
    19°
    20°
    20°
    21°
    20°
    20°
    20°
    19°
    18°
    16°
    15°
    14°
    Wind direction and speed (mph)
    NNE
    4
    NNE
    3
    NNE
    4
    NNE
    5
    N
    5
    N
    6
    N
    6
    N
    7
    NNW
    7
    NNW
    7
    NNW
    7
    NW
    7
    NW
    7
    NW
    8
    NW
    9
    NW
    9
    NW
    10
    NW
    10
    NW
    10
    NW
    9
    WNW
    8
    NW
    8
    NW
    6
    NW
    6
    Wind gust (mph)
    12
    12
    13
    14
    14
    14
    14
    14
    15
    16
    17
    18
    18
    19
    20
    20
    21
    20
    19
    16
    16
    13
    11
    11
    Visibility (description)
    M
    M
    M
    P
    P
    P
    P
    P
    M
    G
    G
    G
    VG
    G
    VG
    VG
    VG
    VG
    G
    G
    VG
    G
    G
    G
    Humidity
    95%
    96%
    96%
    97%
    97%
    97%
    97%
    97%
    95%
    92%
    86%
    81%
    77%
    69%
    66%
    64%
    61%
    62%
    64%
    67%
    74%
    79%
    84%
    86%
    UV - - - - - - 1 1 1 2 3 4 5 5 5 4 3 2 1 1 1 - - -
    Saturday (29 August 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 Cloudy Cloudy Cloudy Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light shower day Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    <5%
    <5%
    10%
    10%
    20%
    30%
    30%
    40%
    50%
    60%
    60%
    60%
    70%
    70%
    70%
    70%
    60%
    50%
    50%
    50%
    40%
    40%
    30%
    30%
    Temperature (°C)
    15°
    15°
    14°
    14°
    15°
    15°
    15°
    14°
    15°
    16°
    16°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    16°
    16°
    16°
    Feels like temperature (°C)
    15°
    14°
    15°
    14°
    15°
    15°
    15°
    15°
    15°
    16°
    17°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    16°
    16°
    Wind direction and speed (mph)
    WNW
    5
    WNW
    4
    W
    3
    W
    3
    WSW
    3
    WSW
    3
    SW
    3
    SW
    3
    S
    3
    S
    3
    SSE
    3
    SSE
    5
    SE
    5
    SE
    5
    ESE
    5
    ESE
    5
    ESE
    5
    ESE
    5
    E
    4
    ENE
    5
    N
    5
    NNW
    4
    NW
    5
    WSW
    5
    Wind gust (mph)
    9
    9
    9
    9
    9
    10
    9
    10
    11
    11
    11
    11
    12
    13
    13
    13
    13
    13
    13
    13
    12
    12
    12
    10
    Visibility (description)
    G
    G
    G
    G
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    Humidity
    86%
    88%
    89%
    90%
    92%
    92%
    93%
    92%
    91%
    88%
    87%
    84%
    82%
    84%
    82%
    84%
    83%
    83%
    85%
    86%
    89%
    90%
    92%
    92%
    UV - - - - - - 1 1 1 1 1 2 2 3 2 3 1 1 1 1 1 - - -
    Sunday (30 August 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 Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Partly cloudy night 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 Light shower day Light shower day Light shower night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    10%
    20%
    20%
    30%
    40%
    50%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    50%
    40%
    40%
    Temperature (°C)
    15°
    15°
    14°
    15°
    15°
    14°
    14°
    14°
    15°
    16°
    17°
    18°
    18°
    19°
    19°
    19°
    19°
    18°
    18°
    17°
    16°
    15°
    15°
    15°
    Feels like temperature (°C)
    15°
    15°
    14°
    15°
    14°
    14°
    14°
    13°
    14°
    15°
    16°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    16°
    15°
    15°
    15°
    Wind direction and speed (mph)
    SW
    3
    SW
    5
    SW
    5
    SW
    5
    SW
    6
    SW
    6
    SW
    7
    SSW
    7
    SSW
    7
    SSW
    6
    SSW
    7
    S
    8
    S
    8
    S
    8
    S
    9
    S
    8
    S
    8
    S
    8
    S
    8
    S
    7
    S
    6
    SSE
    5
    S
    3
    SSW
    3
    Wind gust (mph)
    10
    10
    10
    10
    11
    11
    12
    13
    13
    15
    17
    17
    19
    19
    19
    19
    18
    19
    16
    14
    13
    13
    12
    12
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    M
    G
    G
    G
    G
    G
    G
    M
    Humidity
    93%
    93%
    94%
    93%
    93%
    93%
    93%
    93%
    91%
    86%
    82%
    77%
    75%
    76%
    78%
    80%
    82%
    82%
    83%
    84%
    88%
    91%
    92%
    92%
    UV - - - - - - 1 1 1 2 3 4 4 3 4 2 3 1 1 1 1 - - -
    Monday (31 August 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 Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    40%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    20%
    30%
    40%
    40%
    40%
    30%
    30%
    40%
    50%
    50%
    40%
    40%
    50%
    40%
    40%
    Temperature (°C)
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    14°
    15°
    15°
    16°
    17°
    17°
    17°
    18°
    18°
    17°
    17°
    16°
    15°
    15°
    14°
    14°
    Feels like temperature (°C)
    14°
    14°
    13°
    14°
    13°
    13°
    13°
    12°
    13°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    13°
    13°
    12°
    12°
    Wind direction and speed (mph)
    SSW
    4
    SW
    4
    SW
    5
    WSW
    5
    WSW
    5
    WSW
    6
    WSW
    7
    W
    7
    W
    8
    W
    9
    W
    10
    W
    14
    W
    14
    W
    14
    W
    14
    W
    14
    W
    14
    W
    14
    W
    14
    WSW
    13
    WSW
    11
    WSW
    11
    WSW
    13
    WSW
    11
    Wind gust (mph)
    11
    10
    10
    11
    12
    13
    13
    15
    17
    20
    28
    28
    28
    28
    29
    28
    27
    25
    25
    25
    24
    22
    21
    21
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    G
    G
    G
    G
    Humidity
    92%
    92%
    93%
    93%
    94%
    93%
    93%
    92%
    91%
    86%
    81%
    75%
    69%
    65%
    64%
    62%
    61%
    61%
    62%
    66%
    70%
    76%
    80%
    83%
    UV - - - - - - 1 1 1 2 3 4 4 5 4 4 3 2 1 1 1 - - -
    Tuesday (1 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 Partly cloudy night Cloudy Cloudy Sunny intervals Sunny intervals Partly cloudy night Cloudy
    Chance of precipitation
    40%
    40%
    30%
    30%
    40%
    50%
    30%
    30%
    30%
    Temperature (°C)
    13°
    13°
    13°
    13°
    14°
    17°
    18°
    17°
    15°
    Feels like temperature (°C)
    11°
    11°
    11°
    10°
    12°
    14°
    15°
    15°
    13°
    Wind direction and speed (mph)
    WSW
    11
    SW
    11
    WSW
    13
    WSW
    11
    WSW
    13
    WSW
    13
    WSW
    13
    W
    11
    WSW
    10
    Wind gust (mph)
    21
    22
    21
    23
    25
    25
    24
    20
    17
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    M
    Humidity
    85%
    87%
    91%
    91%
    82%
    70%
    65%
    73%
    85%
    UV - - - 1 3 5 2 1 -
    Wednesday (2 September 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Mist Cloudy Cloudy Cloudy Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    30%
    30%
    30%
    30%
    30%
    20%
    10%
    Temperature (°C)
    14°
    14°
    14°
    15°
    17°
    18°
    17°
    15°
    Feels like temperature (°C)
    12°
    12°
    12°
    13°
    15°
    16°
    16°
    14°
    Wind direction and speed (mph)
    WSW
    9
    WSW
    9
    SW
    10
    WSW
    13
    WSW
    14
    WSW
    11
    W
    10
    WSW
    10
    Wind gust (mph)
    16
    16
    19
    22
    22
    21
    17
    17
    Visibility (description)
    M
    M
    M
    G
    G
    G
    G
    G
    Humidity
    90%
    93%
    92%
    85%
    74%
    69%
    72%
    84%
    UV - - 1 2 3 2 1 -

    UK video forecast

    Dundonald weather map

    View the weather with our interactive map

    Loading map...

    Northern Ireland weather forecast

    Headline:

    Mainly dry and bright morning. Rain spreads northeast from afternoon.

    Today:

    A somewhat cloudy start then bright or sunny spells developing. Mostly dry in the morning but the odd shower is possible. Rain likely to spread into eastern counties through the afternoon, heavy at times, staying drier in the west. Maximum temperature 22 °C.

    Tonight:

    Cloudy with outbreaks of occasionally heavy rain, mainly over eastern counties with the west generally drier. Staying rather cloudy overnight but the rain largely fading out by morning. Minimum temperature 15 °C.

    Friday:

    A quite cloudy start but bright or spells developing through the day. Mostly dry but the chance of a few showers developing. Becoming quite breezy around the Antrim coast. Maximum temperature 21 °C.

    Outlook for Saturday to Monday:

    Rain or showers at times, perhaps heavy and thundery. Occasional drier and brighter spells. Light or moderate winds, likely freshening on Monday.

    Updated:

    UK long range weather forecast