Sydenham (County Antrim) weather

Forecast days

Sunny intervals changing to partly cloudy by nighttime.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
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    7 day forecast for Sydenham

    Today (6 May 2026)
    Time
    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 Partly cloudy night Partly cloudy night Cloudy
    Chance of precipitation
    10%
    10%
    20%
    20%
    30%
    20%
    30%
    30%
    Temperature
    11°
    12°
    11°
    11°
    10°
    Feels like temperature (°C)
    10°
    Wind direction and speed
    SSE
    10
    SSE
    10
    SSE
    9
    SSE
    9
    SSE
    8
    SSE
    8
    S
    7
    S
    6
    Wind gust (mph)
    21
    20
    19
    17
    17
    16
    16
    15
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    Humidity
    56%
    56%
    59%
    64%
    68%
    74%
    77%
    79%
    UV 2 2 1 1 1 1 - -
    Thursday (7 May 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 Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Cloudy Overcast Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Light shower day Light shower day Light shower night Light shower night Cloudy
    Chance of precipitation
    30%
    20%
    10%
    10%
    10%
    20%
    40%
    40%
    20%
    10%
    10%
    10%
    20%
    20%
    20%
    30%
    30%
    30%
    40%
    60%
    70%
    70%
    60%
    40%
    Temperature (°C)
    10°
    11°
    12°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    12°
    11°
    10°
    Feels like temperature (°C)
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    10°
    Wind direction and speed (mph)
    S
    5
    S
    4
    S
    4
    S
    4
    SSW
    5
    S
    5
    SSW
    5
    SSW
    6
    SSW
    7
    SW
    8
    SW
    9
    SSW
    9
    SW
    10
    SSW
    10
    SSW
    10
    SSW
    10
    SSW
    10
    SSW
    10
    SSW
    10
    SSW
    9
    SW
    9
    SW
    8
    SW
    6
    SW
    6
    Wind gust (mph)
    15
    14
    14
    15
    14
    14
    14
    16
    17
    18
    20
    22
    22
    23
    24
    23
    23
    23
    22
    20
    18
    16
    13
    12
    Visibility (description)
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    Humidity
    80%
    83%
    84%
    84%
    85%
    84%
    82%
    81%
    77%
    69%
    63%
    58%
    54%
    52%
    51%
    53%
    54%
    56%
    60%
    64%
    70%
    75%
    80%
    80%
    UV - - - - - 1 1 1 1 2 3 3 4 3 3 2 2 2 1 1 1 1 - -
    Friday (8 May 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 Cloudy Cloudy Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    30%
    40%
    40%
    50%
    40%
    40%
    40%
    40%
    40%
    30%
    50%
    70%
    80%
    80%
    70%
    70%
    60%
    50%
    50%
    40%
    40%
    40%
    30%
    40%
    Temperature (°C)
    10°
    10°
    10°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    10°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Wind direction and speed (mph)
    SW
    6
    SW
    6
    SW
    6
    WSW
    6
    WSW
    6
    WSW
    5
    WSW
    5
    W
    4
    WNW
    5
    NNW
    5
    N
    5
    N
    5
    N
    6
    N
    6
    NNE
    7
    NNE
    8
    NE
    8
    NNE
    8
    NNE
    9
    NNE
    8
    NNE
    8
    N
    8
    N
    8
    N
    8
    Wind gust (mph)
    11
    12
    12
    11
    11
    10
    10
    11
    12
    12
    13
    13
    15
    16
    16
    18
    18
    18
    18
    18
    19
    19
    19
    18
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    G
    G
    Humidity
    81%
    82%
    82%
    82%
    83%
    84%
    84%
    82%
    77%
    70%
    64%
    62%
    63%
    61%
    62%
    63%
    62%
    61%
    62%
    62%
    63%
    63%
    66%
    69%
    UV - - - - - 1 1 1 1 2 2 2 2 2 2 2 1 1 1 1 1 1 - -
    Saturday (9 May 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 Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    30%
    30%
    30%
    40%
    40%
    40%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    20%
    Temperature (°C)
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    N
    7
    NNE
    7
    NNE
    7
    NNE
    7
    NNE
    7
    NNE
    7
    NNE
    7
    NNE
    8
    NNE
    9
    NNE
    10
    NNE
    11
    NNE
    11
    NNE
    12
    NNE
    12
    NNE
    12
    NNE
    13
    NNE
    13
    NNE
    13
    NNE
    12
    NNE
    12
    N
    12
    N
    11
    NNE
    10
    NNE
    10
    Wind gust (mph)
    18
    18
    19
    20
    20
    20
    20
    21
    22
    25
    25
    24
    25
    25
    26
    26
    26
    26
    26
    25
    23
    23
    23
    23
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    Humidity
    71%
    72%
    74%
    76%
    80%
    83%
    82%
    80%
    77%
    75%
    72%
    68%
    66%
    63%
    62%
    60%
    59%
    59%
    60%
    62%
    63%
    65%
    69%
    70%
    UV - - - - - 1 1 1 1 2 2 4 4 4 3 3 2 1 1 1 1 1 - -
    Sunday (10 May 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 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 Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    30%
    30%
    30%
    30%
    Temperature (°C)
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    11°
    11°
    10°
    Feels like temperature (°C)
    10°
    10°
    Wind direction and speed (mph)
    NNE
    10
    NNE
    10
    NNE
    10
    NNE
    10
    NNE
    10
    NNE
    10
    NNE
    9
    NNE
    10
    NNE
    10
    NNE
    10
    NNE
    11
    NNE
    11
    NNE
    11
    NNE
    11
    NNE
    11
    N
    11
    N
    11
    N
    12
    N
    12
    NNW
    12
    NNW
    11
    NNW
    11
    NNW
    10
    NW
    9
    Wind gust (mph)
    23
    23
    23
    22
    23
    22
    21
    22
    23
    23
    23
    24
    24
    26
    26
    27
    27
    26
    26
    25
    24
    22
    21
    20
    Visibility (description)
    G
    G
    G
    G
    G
    G
    VG
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    73%
    74%
    74%
    73%
    72%
    73%
    74%
    70%
    64%
    59%
    55%
    51%
    49%
    46%
    45%
    44%
    44%
    44%
    46%
    51%
    56%
    60%
    67%
    72%
    UV - - - - - 1 1 1 1 2 3 4 5 5 4 4 3 2 1 1 1 1 - -
    Monday (11 May 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 Partly cloudy night Sunny intervals Cloudy Cloudy Sunny intervals Sunny intervals Cloudy
    Chance of precipitation
    20%
    20%
    30%
    20%
    20%
    20%
    20%
    20%
    10%
    Temperature (°C)
    11°
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    NW
    9
    NW
    9
    NW
    9
    NNW
    10
    NNW
    12
    N
    12
    NNE
    12
    NW
    12
    NW
    10
    Wind gust (mph)
    19
    21
    21
    23
    24
    24
    22
    21
    18
    Visibility (description)
    VG
    VG
    G
    G
    G
    VG
    VG
    G
    G
    Humidity
    74%
    75%
    77%
    76%
    61%
    54%
    54%
    61%
    74%
    UV - - - 1 3 5 3 1 -
    Tuesday (12 May 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 Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    10%
    20%
    20%
    20%
    30%
    30%
    20%
    10%
    Temperature (°C)
    10°
    12°
    12°
    11°
    Feels like temperature (°C)
    10°
    Wind direction and speed (mph)
    WNW
    9
    WNW
    9
    WNW
    10
    NW
    12
    NW
    12
    NW
    13
    NW
    12
    WNW
    10
    Wind gust (mph)
    17
    17
    22
    23
    24
    24
    22
    17
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    82%
    85%
    83%
    69%
    61%
    60%
    61%
    73%
    UV - - 1 2 4 3 1 -

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    Northern Ireland weather forecast

    Headline:

    Mainly dry on Thursday with just a few showers.

    This Evening and Tonight:

    Partly cloudy this evening and dry for most, however a few lingering showers will gradually clear away to leave the rest of the night dry with clear spells. Minimum temperature 4 °C.

    Thursday:

    A dry, bright morning with hazy sunny spells. More in the way of cloud in the afternoon and few showers, one or two of these on the heavy side. Maximum temperature 15 °C.

    Outlook for Friday to Sunday:

    A good deal of dry weather during this period with variable amounts of cloud. However a few showers or spells of rain can't be ruled out.

    Updated:

    UK long range weather forecast

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