Slieve Gallion (County Londonderry) weather

Forecast days

Clear.
Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution
No pollen data.

    7 day forecast for Slieve Gallion

    Today (18 March 2026)
    Time
    23:00
    Weather symbols Clear night
    Chance of precipitation
    <5%
    Temperature
    Feels like temperature (°C)
    Wind direction and speed
    NNE
    13
    Wind gust (mph)
    13
    Visibility
    G
    Humidity
    85%
    UV -
    Thursday (19 March 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 Sunny day Sunny day 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
    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)
    10°
    11°
    11°
    11°
    12°
    11°
    11°
    Feels like temperature (°C)
    -1°
    -1°
    -1°
    -1°
    10°
    10°
    10°
    10°
    Wind direction and speed (mph)
    NNE
    13
    NNE
    13
    NNE
    12
    NNE
    11
    NNE
    12
    NNE
    12
    NNE
    13
    NNE
    12
    NNE
    10
    NE
    9
    NE
    8
    NE
    7
    ENE
    7
    ENE
    7
    E
    7
    ESE
    7
    ESE
    7
    SE
    7
    SE
    8
    SE
    10
    SSE
    10
    SSE
    11
    S
    11
    S
    11
    Wind gust (mph)
    15
    14
    13
    13
    12
    14
    14
    13
    11
    10
    10
    10
    11
    11
    11
    11
    11
    9
    10
    11
    11
    12
    12
    12
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    VG
    Humidity
    84%
    83%
    83%
    83%
    84%
    87%
    87%
    86%
    83%
    75%
    74%
    73%
    72%
    71%
    70%
    70%
    73%
    75%
    85%
    85%
    86%
    87%
    86%
    85%
    UV - - - - - - 1 1 1 1 1 2 2 2 2 1 1 1 1 - - - - -
    Friday (20 March 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 Sunny day Sunny day 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
    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)
    10°
    11°
    11°
    12°
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    11
    SSW
    12
    SSW
    12
    SW
    12
    SW
    12
    SW
    12
    SW
    12
    SW
    12
    SW
    11
    SW
    11
    SW
    11
    SW
    12
    SW
    13
    SW
    14
    SW
    14
    SW
    13
    SW
    12
    SW
    10
    SSW
    10
    SW
    11
    SSW
    11
    SW
    10
    SW
    10
    SW
    10
    Wind gust (mph)
    12
    13
    13
    13
    13
    13
    13
    13
    11
    13
    15
    17
    17
    17
    17
    16
    14
    11
    10
    12
    12
    11
    11
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    Humidity
    84%
    80%
    79%
    81%
    83%
    81%
    77%
    76%
    71%
    66%
    65%
    63%
    55%
    52%
    51%
    51%
    52%
    59%
    67%
    67%
    72%
    74%
    74%
    74%
    UV - - - - - - 1 1 1 1 2 2 2 2 2 1 1 1 1 - - - - -
    Saturday (21 March 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 Sunny day Sunny day 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
    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)
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    -1°
    -1°
    -1°
    -1°
    -1°
    Wind direction and speed (mph)
    SW
    10
    SW
    10
    WSW
    10
    WSW
    10
    WSW
    9
    WSW
    9
    WSW
    8
    SW
    7
    SW
    6
    SW
    6
    SW
    7
    SSW
    8
    SSW
    9
    SSW
    10
    SSW
    11
    SSW
    11
    SSW
    12
    SSW
    11
    SSW
    11
    SSW
    12
    SSW
    13
    SSW
    13
    SSW
    13
    SSW
    13
    Wind gust (mph)
    11
    11
    11
    11
    10
    10
    9
    8
    7
    8
    10
    13
    14
    15
    16
    15
    15
    12
    12
    12
    14
    14
    14
    14
    Visibility (description)
    VG
    VG
    VG
    G
    VG
    G
    G
    G
    G
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    76%
    78%
    80%
    81%
    83%
    84%
    78%
    71%
    67%
    65%
    63%
    58%
    56%
    56%
    57%
    63%
    71%
    74%
    76%
    78%
    77%
    77%
    UV - - - - - - 1 1 1 1 2 2 2 2 2 1 1 1 1 - - - - -
    Sunday (22 March 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 Partly cloudy night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Light rain Light rain Light rain Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    20%
    20%
    30%
    40%
    50%
    60%
    50%
    50%
    40%
    40%
    40%
    40%
    30%
    30%
    40%
    40%
    40%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    -1°
    -1°
    -1°
    -2°
    -2°
    -1°
    -1°
    -1°
    -1°
    -2°
    -2°
    Wind direction and speed (mph)
    SSW
    13
    SSW
    14
    SSW
    14
    SW
    14
    SW
    15
    SW
    15
    SW
    14
    SW
    14
    SW
    13
    SW
    13
    SW
    13
    WSW
    14
    WSW
    14
    WSW
    14
    W
    14
    W
    14
    WNW
    14
    WNW
    13
    WNW
    12
    WNW
    11
    NW
    11
    WNW
    11
    WNW
    11
    WNW
    11
    Wind gust (mph)
    14
    15
    15
    16
    16
    16
    16
    15
    16
    17
    17
    18
    19
    19
    20
    19
    19
    18
    16
    13
    12
    12
    11
    12
    Visibility (description)
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    G
    G
    M
    G
    G
    G
    G
    G
    G
    G
    Humidity
    78%
    76%
    75%
    76%
    77%
    80%
    82%
    85%
    87%
    85%
    86%
    87%
    86%
    87%
    83%
    80%
    77%
    79%
    82%
    85%
    88%
    89%
    90%
    88%
    UV - - - - - - 1 1 1 1 1 1 1 1 1 1 1 1 1 - - - - -
    Monday (23 March 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Cloudy Cloudy Cloudy Cloudy Overcast
    Chance of precipitation
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    -2°
    -3°
    -4°
    -1°
    -1°
    -2°
    Wind direction and speed (mph)
    WNW
    11
    WNW
    12
    W
    11
    WSW
    12
    WSW
    16
    WSW
    16
    SW
    17
    SSW
    17
    Wind gust (mph)
    14
    16
    17
    23
    24
    23
    22
    28
    Visibility (description)
    M
    G
    G
    G
    G
    G
    G
    G
    Humidity
    91%
    88%
    85%
    77%
    60%
    59%
    68%
    78%
    UV - - 1 1 2 1 1 -
    Tuesday (24 March 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Light rain Light rain Light rain Light rain Light shower day Drizzle Overcast
    Chance of precipitation
    40%
    50%
    50%
    60%
    50%
    50%
    40%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    -3°
    -3°
    -2°
    -1°
    -1°
    Wind direction and speed (mph)
    SSW
    20
    SW
    21
    SW
    23
    SW
    23
    SW
    25
    SW
    25
    WSW
    22
    SW
    21
    Wind gust (mph)
    29
    30
    30
    31
    31
    30
    28
    27
    Visibility (description)
    M
    M
    M
    M
    G
    M
    G
    G
    Humidity
    82%
    87%
    88%
    86%
    82%
    76%
    80%
    84%
    UV - - 1 1 2 1 1 -

    UK video forecast

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    Northern Ireland weather forecast

    Headline:

    Dry with sunny spells on Thursday.

    This Evening and Tonight:

    Any rain dying this evening. Then the rest of the night will be dry with cloud breaking to allow some lengthy clear periods. A slight frost in sheltered glens. Minimum temperature 4 °C.

    Thursday:

    A dry day with some sunny spells although some cloud bubbling up by afternoon. Light winds. Maximum temperature 14 °C.

    Outlook for Friday to Sunday:

    Any overnight fog soon clearing on Friday to leave a dry, warm and sunny day. Dry on Saturday. Rain will spread southeast for a time on Sunday.

    Updated:

    UK long range weather forecast

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