Carrickfergus (County Antrim) weather

Forecast days

Sunny intervals changing to cloudy by lunchtime.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

    7 day forecast for Carrickfergus

    Today (19 September 2026)
    Time
    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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Light shower day Cloudy Cloudy Sunny intervals Sunny intervals Sunny day Sunny intervals Clear night Clear night Clear night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    10%
    20%
    30%
    10%
    40%
    50%
    60%
    40%
    20%
    10%
    10%
    20%
    20%
    10%
    <5%
    10%
    10%
    10%
    Temperature
    14°
    14°
    14°
    14°
    14°
    15°
    16°
    16°
    16°
    16°
    17°
    17°
    16°
    16°
    15°
    14°
    14°
    13°
    13°
    Feels like temperature (°C)
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    13°
    13°
    12°
    12°
    11°
    11°
    11°
    11°
    10°
    Wind direction and speed
    WSW
    16
    WSW
    16
    WSW
    16
    SW
    17
    WSW
    17
    WSW
    18
    WSW
    18
    WSW
    18
    WSW
    18
    WSW
    19
    WSW
    19
    W
    19
    WSW
    19
    WSW
    18
    WSW
    18
    WSW
    16
    WSW
    16
    WSW
    15
    WSW
    16
    Wind gust (mph)
    26
    26
    26
    28
    28
    30
    32
    32
    32
    32
    32
    31
    30
    29
    27
    25
    25
    26
    26
    Visibility
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    79%
    77%
    78%
    83%
    76%
    75%
    72%
    67%
    66%
    64%
    61%
    58%
    59%
    59%
    64%
    65%
    65%
    71%
    74%
    UV - - 1 1 1 2 3 2 2 2 2 1 1 1 1 - - - -
    Sunday (20 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 Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    30%
    Temperature (°C)
    13°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    12°
    13°
    14°
    15°
    16°
    16°
    17°
    17°
    17°
    16°
    15°
    15°
    14°
    14°
    14°
    Feels like temperature (°C)
    10°
    10°
    10°
    11°
    12°
    13°
    13°
    14°
    15°
    15°
    15°
    15°
    14°
    14°
    13°
    13°
    13°
    Wind direction and speed (mph)
    WSW
    16
    WSW
    15
    WSW
    15
    WSW
    14
    WSW
    13
    WSW
    13
    W
    13
    W
    13
    W
    13
    W
    13
    W
    13
    W
    14
    W
    13
    W
    13
    W
    10
    W
    9
    WSW
    9
    WSW
    9
    WSW
    8
    WSW
    7
    SW
    7
    SW
    7
    SSW
    8
    SSW
    7
    Wind gust (mph)
    26
    25
    25
    25
    24
    24
    24
    24
    23
    23
    25
    25
    23
    21
    19
    17
    16
    14
    11
    10
    10
    12
    15
    16
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    75%
    75%
    76%
    76%
    76%
    76%
    76%
    75%
    74%
    67%
    64%
    59%
    58%
    58%
    59%
    61%
    63%
    64%
    65%
    66%
    67%
    68%
    UV - - - - - - - 1 1 1 2 3 3 3 3 2 1 1 1 1 - - - -
    Monday (21 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 Overcast Light rain Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy 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
    Chance of precipitation
    30%
    40%
    40%
    50%
    50%
    30%
    20%
    20%
    20%
    20%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    Temperature (°C)
    14°
    14°
    15°
    15°
    15°
    15°
    16°
    16°
    16°
    16°
    17°
    18°
    19°
    20°
    20°
    21°
    21°
    20°
    20°
    19°
    18°
    18°
    18°
    17°
    Feels like temperature (°C)
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    14°
    14°
    15°
    15°
    16°
    17°
    18°
    19°
    19°
    20°
    19°
    19°
    19°
    18°
    17°
    17°
    16°
    Wind direction and speed (mph)
    SSW
    7
    SSW
    7
    SSW
    7
    SSW
    9
    SSW
    11
    SW
    12
    SW
    13
    SW
    13
    SW
    13
    SW
    13
    WSW
    13
    WSW
    13
    WSW
    13
    SW
    11
    SW
    10
    SW
    11
    SW
    10
    SW
    10
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SSW
    8
    SW
    8
    Wind gust (mph)
    18
    19
    20
    21
    22
    22
    21
    21
    20
    20
    19
    19
    19
    18
    18
    18
    17
    16
    15
    14
    14
    13
    13
    13
    Visibility (description)
    G
    G
    G
    G
    G
    M
    G
    G
    G
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    69%
    74%
    76%
    82%
    88%
    89%
    91%
    92%
    92%
    92%
    91%
    88%
    86%
    85%
    84%
    84%
    83%
    83%
    84%
    85%
    87%
    88%
    89%
    89%
    UV - - - - - - - 1 1 1 1 2 2 2 2 2 1 1 1 1 - - - -
    Tuesday (22 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 Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Overcast Cloudy Cloudy Cloudy
    Chance of precipitation
    20%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    20%
    30%
    40%
    50%
    50%
    50%
    50%
    50%
    50%
    50%
    50%
    Temperature (°C)
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    16°
    15°
    16°
    17°
    17°
    18°
    18°
    19°
    19°
    18°
    18°
    17°
    16°
    15°
    15°
    15°
    14°
    Feels like temperature (°C)
    16°
    16°
    16°
    15°
    15°
    14°
    14°
    14°
    14°
    14°
    15°
    16°
    16°
    17°
    17°
    18°
    17°
    17°
    17°
    15°
    15°
    14°
    14°
    14°
    Wind direction and speed (mph)
    SSW
    8
    SW
    8
    SW
    9
    SW
    9
    SW
    9
    SSW
    10
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SW
    11
    SW
    11
    SW
    10
    SW
    9
    SW
    9
    SW
    8
    WSW
    7
    W
    7
    WSW
    7
    NW
    6
    NNW
    6
    NNW
    6
    Wind gust (mph)
    14
    14
    15
    16
    16
    16
    17
    17
    17
    19
    20
    20
    19
    19
    19
    18
    17
    17
    16
    16
    15
    15
    15
    16
    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
    G
    Humidity
    90%
    91%
    91%
    91%
    90%
    91%
    90%
    89%
    90%
    87%
    86%
    85%
    83%
    79%
    77%
    79%
    81%
    83%
    85%
    87%
    88%
    88%
    88%
    88%
    UV - - - - - - - 1 1 1 2 2 3 3 3 2 1 1 1 1 - - - -
    Wednesday (23 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 Cloudy Cloudy Cloudy 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    50%
    40%
    40%
    40%
    40%
    40%
    40%
    30%
    30%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    14°
    14°
    14°
    14°
    13°
    13°
    12°
    12°
    13°
    13°
    14°
    14°
    15°
    15°
    15°
    16°
    15°
    15°
    15°
    14°
    13°
    13°
    13°
    13°
    Feels like temperature (°C)
    13°
    13°
    13°
    12°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    13°
    13°
    13°
    14°
    14°
    14°
    13°
    13°
    12°
    12°
    12°
    12°
    12°
    Wind direction and speed (mph)
    WNW
    7
    NW
    7
    WNW
    7
    WNW
    9
    WNW
    8
    WNW
    8
    WNW
    8
    WNW
    7
    WNW
    8
    WNW
    8
    WNW
    9
    WNW
    9
    NW
    9
    NW
    9
    NW
    9
    NNW
    9
    NNW
    9
    NNW
    9
    N
    8
    NNE
    8
    NNE
    7
    ESE
    7
    S
    7
    S
    7
    Wind gust (mph)
    15
    15
    16
    16
    17
    18
    17
    17
    17
    16
    18
    19
    18
    18
    17
    17
    16
    16
    15
    13
    12
    12
    12
    14
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    G
    G
    G
    G
    G
    G
    Humidity
    86%
    84%
    84%
    84%
    84%
    83%
    83%
    81%
    82%
    82%
    78%
    75%
    71%
    67%
    65%
    65%
    65%
    66%
    67%
    68%
    71%
    72%
    74%
    75%
    UV - - - - - - - 1 1 1 2 3 3 3 3 2 1 1 1 1 - - - -
    Thursday (24 September 2026)
    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 Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Light rain
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    30%
    40%
    40%
    50%
    50%
    Temperature (°C)
    13°
    13°
    13°
    13°
    14°
    16°
    16°
    16°
    15°
    Feels like temperature (°C)
    12°
    11°
    10°
    10°
    11°
    12°
    13°
    13°
    12°
    Wind direction and speed (mph)
    S
    7
    S
    9
    S
    13
    S
    15
    S
    18
    S
    20
    S
    19
    SSW
    18
    SW
    16
    Wind gust (mph)
    15
    20
    23
    28
    31
    31
    29
    27
    25
    Visibility (description)
    G
    G
    G
    G
    G
    G
    M
    M
    M
    Humidity
    76%
    79%
    83%
    84%
    83%
    83%
    84%
    87%
    88%
    UV - - - 1 1 2 1 1 -
    Friday (25 September 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    40%
    30%
    10%
    10%
    20%
    10%
    10%
    10%
    Temperature (°C)
    14°
    13°
    13°
    14°
    16°
    16°
    15°
    13°
    Feels like temperature (°C)
    12°
    11°
    11°
    12°
    13°
    13°
    12°
    11°
    Wind direction and speed (mph)
    SW
    14
    WSW
    13
    SW
    13
    SW
    14
    WSW
    14
    SW
    14
    SW
    13
    SSW
    13
    Wind gust (mph)
    22
    19
    20
    20
    21
    19
    18
    20
    Visibility (description)
    M
    M
    M
    M
    G
    G
    G
    M
    Humidity
    88%
    88%
    88%
    84%
    73%
    70%
    72%
    79%
    UV - - 1 2 3 1 1 -

    UK video forecast

    Carrickfergus weather map

    View the weather with our interactive map

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    Northern Ireland weather forecast

    Headline:

    Isolated showers north at first, otherwise dry and bright.

    Today:

    A few showers to start the day in the north, a lot of dry and bright weather around with Autumn sunshine, still quite a breezy day with fresh westerly winds. Maximum temperature 17 °C.

    Tonight:

    A few showers for Antrim coast but otherwise dry with clear spells and winds beginning to ease overnight, feeling quite chilly. Minimum temperature 8 °C.

    Sunday:

    A dry and bright day with plenty of Autumn sunshine and lighter winds than of late. Clouding over in the afternoon with some evening rain in the west. Maximum temperature 17 °C.

    Outlook for Monday to Wednesday:

    A more settled start to next week and starting to feel warm. Any rain on Monday turning light and patchy, risk of a few showers on Tuesday and Wednesday.

    Updated:

    UK long range weather forecast