White Mountain (County Londonderry) weather

Forecast days

Heavy rain.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

    7 day forecast for White Mountain

    Today (14 September 2026)
    Time
    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 Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light shower day Light rain Light rain Light rain Light rain
    Chance of precipitation
    20%
    70%
    90%
    ≥95%
    ≥95%
    ≥95%
    90%
    70%
    60%
    60%
    80%
    70%
    Temperature
    13°
    13°
    13°
    13°
    14°
    14°
    15°
    14°
    14°
    14°
    14°
    13°
    Feels like temperature (°C)
    11°
    11°
    10°
    10°
    11°
    11°
    12°
    12°
    11°
    11°
    11°
    10°
    Wind direction and speed
    S
    14
    S
    17
    S
    17
    S
    17
    S
    16
    S
    16
    SSW
    16
    SW
    15
    SW
    14
    SW
    14
    SW
    14
    SW
    16
    Wind gust (mph)
    23
    23
    23
    24
    23
    23
    22
    22
    22
    23
    23
    25
    Visibility
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    Humidity
    96%
    96%
    95%
    96%
    96%
    98%
    97%
    96%
    96%
    97%
    97%
    97%
    UV 3 3 2 1 1 1 1 1 - - - -
    Tuesday (15 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 Light rain Light shower night Mist Light shower night Light shower night Light shower night Light shower night Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Sunny intervals Cloudy Light shower day Heavy shower day Heavy shower day Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    70%
    50%
    40%
    50%
    70%
    50%
    50%
    60%
    70%
    70%
    80%
    70%
    70%
    70%
    50%
    30%
    50%
    70%
    90%
    90%
    90%
    90%
    80%
    70%
    Temperature (°C)
    13°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    11°
    11°
    10°
    10°
    10°
    Feels like temperature (°C)
    10°
    Wind direction and speed (mph)
    WSW
    16
    W
    17
    W
    17
    W
    15
    W
    13
    WSW
    13
    W
    13
    W
    14
    W
    16
    W
    15
    W
    15
    WNW
    16
    WNW
    16
    WNW
    17
    WNW
    18
    WNW
    18
    WNW
    18
    WNW
    17
    WNW
    16
    WNW
    16
    WNW
    16
    WNW
    16
    WNW
    16
    WNW
    17
    Wind gust (mph)
    26
    26
    22
    19
    18
    18
    19
    19
    21
    22
    23
    24
    26
    27
    28
    27
    26
    25
    23
    22
    21
    21
    21
    21
    Visibility (description)
    VP
    VP
    VP
    P
    VP
    P
    P
    M
    M
    P
    M
    M
    M
    M
    M
    G
    M
    G
    M
    P
    P
    P
    VP
    VP
    Humidity
    96%
    96%
    95%
    94%
    94%
    94%
    93%
    93%
    93%
    92%
    92%
    91%
    88%
    86%
    84%
    80%
    78%
    83%
    88%
    93%
    95%
    95%
    96%
    96%
    UV - - - - - - - 1 1 1 2 3 3 4 3 3 2 1 1 1 - - - -
    Wednesday (16 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 Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower day Mist Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light shower night
    Chance of precipitation
    80%
    80%
    70%
    70%
    70%
    70%
    60%
    50%
    50%
    40%
    30%
    20%
    30%
    20%
    20%
    30%
    60%
    70%
    70%
    80%
    90%
    90%
    ≥95%
    90%
    Temperature (°C)
    10°
    10°
    11°
    11°
    11°
    12°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WNW
    17
    WNW
    17
    WNW
    16
    WNW
    16
    WNW
    15
    WNW
    16
    WNW
    15
    WNW
    14
    WNW
    13
    WNW
    13
    WNW
    13
    W
    13
    W
    13
    W
    12
    WSW
    13
    WSW
    13
    SW
    13
    SW
    13
    SSW
    13
    SSW
    13
    SSW
    16
    SW
    18
    SW
    18
    SW
    18
    Wind gust (mph)
    21
    21
    21
    19
    19
    19
    17
    17
    16
    18
    19
    20
    21
    23
    23
    23
    22
    21
    23
    25
    27
    27
    28
    28
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    M
    M
    G
    G
    G
    G
    G
    G
    G
    M
    P
    VP
    VP
    VP
    VP
    Humidity
    96%
    96%
    96%
    96%
    96%
    96%
    96%
    96%
    95%
    93%
    90%
    85%
    80%
    77%
    75%
    74%
    76%
    81%
    90%
    92%
    95%
    96%
    96%
    96%
    UV - - - - - - - 1 1 1 2 2 3 3 2 2 1 1 1 1 - - - -
    Thursday (17 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 Light shower night Partly cloudy night Partly cloudy night Partly cloudy night Light shower night Light shower night Light shower night Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    70%
    40%
    30%
    40%
    60%
    70%
    90%
    90%
    90%
    90%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    90%
    90%
    90%
    90%
    80%
    80%
    60%
    60%
    50%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    18
    W
    18
    W
    17
    W
    16
    W
    16
    W
    16
    WSW
    16
    WSW
    17
    WSW
    17
    WSW
    18
    WSW
    19
    W
    19
    W
    21
    W
    22
    W
    21
    W
    22
    W
    21
    W
    21
    W
    21
    W
    21
    W
    21
    W
    20
    W
    20
    W
    21
    Wind gust (mph)
    27
    24
    21
    20
    21
    23
    23
    24
    26
    28
    29
    31
    33
    35
    35
    35
    34
    33
    31
    29
    27
    27
    26
    25
    Visibility (description)
    P
    P
    G
    G
    G
    G
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    M
    G
    M
    M
    M
    M
    M
    Humidity
    94%
    92%
    89%
    88%
    87%
    86%
    87%
    90%
    88%
    86%
    84%
    84%
    83%
    81%
    83%
    82%
    82%
    84%
    85%
    88%
    88%
    88%
    87%
    88%
    UV - - - - - - - 1 1 1 2 2 3 3 3 2 2 1 1 1 - - - -
    Friday (18 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 Light shower night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Mist Mist Sunny intervals Cloudy Mist Mist Mist Mist Mist Mist Mist Mist Mist Mist Mist Mist Mist Mist Mist
    Chance of precipitation
    50%
    50%
    50%
    50%
    40%
    40%
    40%
    40%
    30%
    30%
    30%
    30%
    30%
    30%
    40%
    40%
    40%
    50%
    50%
    50%
    50%
    50%
    40%
    40%
    Temperature (°C)
    10°
    10°
    10°
    11°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    20
    W
    19
    W
    19
    W
    19
    W
    18
    W
    18
    W
    17
    W
    17
    W
    16
    WSW
    16
    WSW
    15
    WSW
    16
    WSW
    15
    SW
    15
    SW
    15
    SW
    16
    SW
    16
    SW
    16
    SW
    16
    SW
    16
    WSW
    15
    WSW
    15
    WSW
    16
    WSW
    16
    Wind gust (mph)
    25
    25
    25
    24
    23
    22
    21
    21
    20
    22
    24
    25
    26
    25
    27
    27
    27
    27
    24
    22
    23
    23
    23
    23
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    P
    M
    M
    P
    P
    M
    M
    M
    P
    P
    P
    P
    P
    P
    Humidity
    89%
    90%
    89%
    89%
    89%
    89%
    91%
    90%
    90%
    89%
    87%
    85%
    81%
    79%
    79%
    84%
    83%
    89%
    92%
    93%
    93%
    92%
    92%
    92%
    UV - - - - - - - 1 1 1 1 2 2 2 2 2 1 1 1 1 - - - -
    Saturday (19 September 2026)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Mist Mist Mist Mist Cloudy Cloudy Cloudy Mist Mist
    Chance of precipitation
    30%
    30%
    20%
    30%
    40%
    50%
    50%
    30%
    30%
    Temperature (°C)
    10°
    10°
    10°
    10°
    11°
    12°
    12°
    11°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WSW
    15
    WSW
    16
    WSW
    14
    WSW
    13
    WSW
    16
    WSW
    18
    WSW
    17
    WSW
    14
    WSW
    11
    Wind gust (mph)
    22
    22
    20
    22
    28
    29
    26
    21
    19
    Visibility (description)
    P
    P
    P
    P
    P
    G
    G
    M
    P
    Humidity
    92%
    92%
    92%
    92%
    88%
    83%
    78%
    86%
    91%
    UV - - - 1 1 3 1 1 -
    Sunday (20 September 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Mist Mist Mist Cloudy Cloudy Mist Mist Mist
    Chance of precipitation
    30%
    20%
    20%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    10°
    10°
    10°
    11°
    12°
    13°
    12°
    12°
    Feels like temperature (°C)
    10°
    10°
    10°
    Wind direction and speed (mph)
    WSW
    11
    WSW
    11
    WSW
    10
    WSW
    13
    WSW
    16
    WSW
    16
    WSW
    11
    SW
    11
    Wind gust (mph)
    18
    18
    21
    25
    26
    24
    19
    19
    Visibility (description)
    P
    P
    P
    M
    M
    M
    M
    P
    Humidity
    92%
    92%
    92%
    85%
    76%
    75%
    86%
    92%
    UV - - 1 2 2 1 1 -

    UK video forecast

    White Mountain weather map

    View the weather with our interactive map

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    Northern Ireland weather forecast

    Headline:

    Rain spreading east in the afternoon.

    Today:

    It will be cloudy but mainly dry in the morning. Persistent rain, heavy at times with a chance of thunder, will extend east across all parts in the afternoon. Maximum temperature 20 °C.

    Tonight:

    Cloudy in the evening as occasionally heavy rain spreads east with a small chance of thunder. Scattered showers feed in from the west overnight, some clear spells in the east. Minimum temperature 13 °C.

    Tuesday:

    Bright spells and scattered showers, these heaviest in the morning with a chance of lightning. Best of the brightness in the southeast. Maximum temperature 17 °C.

    Outlook for Wednesday to Friday:

    Showers Wednesday morning, becoming mostly dry and bright by midday. Occasionally heavy rain pushes east Wednesday evening. Bright spells and scattered showers Thursday, easing Friday morning, then further rain later.

    Updated:

    UK long range weather forecast