Slieve Gallion (County Londonderry) weather

Forecast days

Fog changing to sunny intervals by late morning.
Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution
No pollen data.

    7 day forecast for Slieve Gallion

    Today (31 October 2026)
    Time
    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 Fog Fog Sunny intervals Fog Sunny intervals Sunny intervals Sunny intervals Cloudy Overcast Light rain Light rain Light rain Light rain Light rain Mist Partly cloudy night Partly cloudy night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    20%
    40%
    70%
    80%
    80%
    80%
    60%
    30%
    <5%
    <5%
    <5%
    Temperature
    8°
    7°
    7°
    7°
    8°
    9°
    9°
    10°
    10°
    9°
    9°
    8°
    8°
    7°
    7°
    6°
    6°
    5°
    Feels like temperature (°C)
    4°
    4°
    3°
    4°
    4°
    5°
    6°
    6°
    7°
    7°
    6°
    6°
    4°
    3°
    3°
    2°
    2°
    1°
    Wind direction and speed
    S
    15
    S
    15
    S
    15
    S
    16
    S
    16
    S
    16
    S
    16
    SSW
    16
    SSW
    15
    SSW
    13
    SW
    10
    WSW
    11
    WNW
    13
    NW
    15
    NNW
    16
    NNW
    16
    NNW
    15
    NNW
    15
    Wind gust (mph)
    16
    16
    17
    18
    18
    18
    18
    18
    16
    14
    11
    13
    17
    17
    17
    17
    16
    16
    Visibility
    P
    VP
    VP
    VG
    VP
    VG
    VG
    VG
    VG
    G
    M
    VP
    VP
    VP
    VP
    P
    VG
    VG
    Humidity
    96%
    96%
    96%
    94%
    92%
    91%
    85%
    85%
    84%
    86%
    91%
    96%
    98%
    98%
    96%
    92%
    89%
    86%
    UV - 1 1 1 1 1 1 1 1 1 1 - - - - - - -
    Sunday (1 November 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 Clear night Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Clear night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    5°
    5°
    4°
    4°
    4°
    4°
    4°
    4°
    4°
    5°
    5°
    7°
    7°
    7°
    7°
    7°
    6°
    5°
    5°
    5°
    4°
    4°
    4°
    4°
    Feels like temperature (°C)
    1°
    1°
    0°
    0°
    0°
    0°
    0°
    0°
    0°
    1°
    2°
    3°
    3°
    4°
    4°
    3°
    3°
    2°
    1°
    1°
    0°
    0°
    0°
    0°
    Wind direction and speed (mph)
    NNW
    15
    NNW
    15
    NNW
    14
    NW
    14
    NW
    13
    NW
    13
    NW
    13
    NW
    12
    NW
    11
    NW
    11
    NNW
    11
    NNW
    13
    N
    14
    N
    14
    N
    13
    N
    12
    N
    11
    N
    11
    N
    11
    N
    11
    N
    11
    N
    11
    N
    11
    NNE
    11
    Wind gust (mph)
    16
    16
    15
    15
    14
    14
    14
    13
    13
    12
    13
    16
    18
    18
    17
    14
    13
    13
    13
    13
    13
    13
    13
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    86%
    85%
    86%
    86%
    86%
    87%
    87%
    90%
    90%
    86%
    84%
    78%
    74%
    71%
    69%
    73%
    76%
    81%
    82%
    83%
    83%
    84%
    84%
    85%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 - - - - - - -
    Monday (2 November 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 Clear night Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    4°
    4°
    4°
    4°
    4°
    4°
    4°
    3°
    3°
    4°
    6°
    7°
    7°
    7°
    8°
    7°
    6°
    4°
    4°
    4°
    4°
    4°
    4°
    4°
    Feels like temperature (°C)
    0°
    -1°
    0°
    0°
    0°
    0°
    0°
    0°
    0°
    1°
    3°
    4°
    5°
    5°
    5°
    5°
    3°
    1°
    1°
    0°
    0°
    0°
    0°
    0°
    Wind direction and speed (mph)
    NNE
    11
    NNE
    11
    NNE
    11
    NE
    10
    NE
    9
    NE
    9
    NE
    9
    NE
    9
    NE
    8
    NE
    8
    NE
    7
    ENE
    7
    ENE
    7
    ENE
    8
    ENE
    7
    NE
    7
    NE
    8
    NE
    8
    NE
    9
    NE
    9
    ENE
    9
    ENE
    9
    ENE
    9
    ENE
    9
    Wind gust (mph)
    13
    12
    12
    11
    10
    10
    10
    10
    9
    9
    8
    8
    9
    9
    9
    8
    9
    9
    10
    10
    10
    10
    10
    10
    Visibility (description)
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    85%
    85%
    85%
    86%
    86%
    87%
    88%
    88%
    87%
    85%
    82%
    78%
    75%
    74%
    73%
    77%
    84%
    87%
    87%
    88%
    89%
    90%
    90%
    89%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 - - - - - - -
    Tuesday (3 November 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 Clear night Clear night Clear night Clear night Clear night Clear night Clear night 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 Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    Temperature (°C)
    4°
    4°
    4°
    4°
    3°
    3°
    3°
    3°
    3°
    4°
    6°
    6°
    7°
    6°
    7°
    7°
    6°
    5°
    4°
    4°
    4°
    4°
    4°
    4°
    Feels like temperature (°C)
    0°
    0°
    0°
    1°
    0°
    0°
    0°
    -1°
    -1°
    0°
    2°
    3°
    3°
    3°
    3°
    3°
    3°
    2°
    1°
    1°
    1°
    1°
    0°
    0°
    Wind direction and speed (mph)
    ENE
    9
    ENE
    9
    ENE
    8
    ENE
    8
    ENE
    9
    ENE
    9
    ENE
    9
    ENE
    10
    ENE
    10
    ENE
    10
    ENE
    10
    ENE
    10
    E
    13
    E
    13
    E
    13
    E
    11
    E
    10
    E
    9
    ENE
    9
    ENE
    9
    ENE
    9
    E
    10
    E
    10
    E
    10
    Wind gust (mph)
    10
    10
    9
    9
    10
    10
    10
    11
    11
    11
    11
    13
    15
    15
    14
    13
    11
    10
    10
    10
    11
    11
    11
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    90%
    90%
    92%
    92%
    92%
    92%
    93%
    92%
    92%
    89%
    86%
    84%
    83%
    79%
    80%
    83%
    87%
    91%
    91%
    91%
    91%
    91%
    91%
    92%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wednesday (4 November 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 Partly cloudy night 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 Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    4°
    4°
    4°
    4°
    4°
    4°
    4°
    4°
    4°
    5°
    6°
    6°
    6°
    7°
    6°
    6°
    6°
    5°
    5°
    4°
    4°
    4°
    4°
    4°
    Feels like temperature (°C)
    0°
    0°
    0°
    0°
    0°
    0°
    1°
    0°
    0°
    1°
    2°
    2°
    2°
    3°
    2°
    3°
    2°
    1°
    1°
    1°
    0°
    -1°
    0°
    0°
    Wind direction and speed (mph)
    E
    10
    E
    10
    E
    10
    E
    9
    ENE
    9
    ENE
    9
    ENE
    9
    ENE
    10
    ENE
    10
    E
    11
    E
    13
    E
    13
    E
    15
    E
    15
    E
    15
    E
    14
    E
    11
    E
    13
    E
    13
    ENE
    11
    ENE
    13
    ENE
    13
    E
    13
    E
    12
    Wind gust (mph)
    11
    11
    11
    10
    11
    11
    11
    11
    12
    12
    16
    17
    18
    18
    17
    16
    13
    14
    14
    14
    14
    15
    16
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    Humidity
    93%
    94%
    95%
    96%
    96%
    96%
    96%
    96%
    96%
    95%
    93%
    91%
    86%
    84%
    82%
    84%
    86%
    88%
    90%
    91%
    91%
    91%
    92%
    92%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 - - - - - - -
    Thursday (5 November 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Partly cloudy night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    Temperature (°C)
    4°
    4°
    3°
    4°
    6°
    6°
    4°
    4°
    Feels like temperature (°C)
    -1°
    0°
    0°
    0°
    2°
    3°
    0°
    0°
    Wind direction and speed (mph)
    E
    13
    E
    10
    ENE
    9
    E
    11
    ESE
    16
    ESE
    13
    E
    10
    E
    11
    Wind gust (mph)
    15
    14
    15
    21
    22
    17
    12
    13
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    92%
    93%
    94%
    92%
    84%
    82%
    90%
    92%
    UV - - - 1 1 1 - -
    Friday (6 November 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Mist Overcast Fog Mist Cloudy Cloudy Cloudy Mist
    Chance of precipitation
    10%
    10%
    20%
    20%
    20%
    10%
    10%
    20%
    Temperature (°C)
    4°
    4°
    4°
    4°
    6°
    6°
    4°
    4°
    Feels like temperature (°C)
    0°
    0°
    0°
    0°
    2°
    2°
    1°
    1°
    Wind direction and speed (mph)
    ENE
    11
    ENE
    10
    ENE
    10
    E
    10
    ESE
    13
    E
    11
    E
    8
    ENE
    7
    Wind gust (mph)
    13
    11
    11
    14
    14
    13
    9
    8
    Visibility (description)
    G
    P
    M
    VP
    P
    G
    G
    M
    Humidity
    93%
    93%
    95%
    93%
    87%
    86%
    94%
    96%
    UV - - - 1 1 1 - -

    UK video forecast

    Slieve Gallion weather map

    View the weather with our interactive map

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    Northern Ireland weather forecast

    Headline:

    Bright in the east. Rain in the west.

    Today:

    Mainly dry around Belfast and the east with bright spells, feeling pleasant in any sunshine. Cloudy in the west with outbreaks of rain, then rain occasionally heavy. Maximum temperature 15 °C.

    Tonight:

    The rain pushing east during this evening, turning light and patchy. Mainly dry with clear spells overnight with a touch of frost possible, although a few showers in the west. Minimum temperature 3 °C.

    Sunday:

    It will be a mainly dry and bright day with sunny spells, perhaps the odd light shower. Light northwest winds. Maximum temperature 12 °C.

    Outlook for Monday to Wednesday:

    It will be mainly dry and settled as high pressure dominates. Chilly nights if skies remain clear with a frost possible along with some mist and fog.

    Updated:

    UK long range weather forecast