Spelga Dam (County Down) weather

Forecast days

Overcast changing to heavy rain by lunchtime.
Sunrise iconSunrise:
Sunset iconSunset:
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    7 day forecast for Spelga Dam

    Today (21 January 2026)
    Time
    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 Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Heavy rain Heavy rain Light rain Heavy rain
    Chance of precipitation
    10%
    50%
    80%
    ≥95%
    ≥95%
    ≥95%
    90%
    90%
    80%
    70%
    90%
    90%
    80%
    90%
    Temperature
    Feels like temperature (°C)
    -1°
    -1°
    -1°
    -1°
    Wind direction and speed
    ESE
    16
    ESE
    19
    ESE
    21
    E
    21
    E
    21
    E
    20
    ESE
    18
    SE
    17
    SE
    17
    SE
    17
    SE
    17
    SE
    17
    SE
    16
    SE
    16
    Wind gust (mph)
    34
    39
    40
    40
    41
    38
    34
    32
    31
    31
    30
    30
    31
    31
    Visibility
    VG
    G
    VG
    P
    P
    P
    P
    P
    P
    P
    M
    P
    P
    M
    Humidity
    90%
    92%
    94%
    97%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    UV 1 1 1 1 1 1 1 - - - - - - -
    Thursday (22 January 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 Heavy rain Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light shower night Light rain Light shower night Cloudy
    Chance of precipitation
    80%
    80%
    90%
    80%
    80%
    80%
    80%
    80%
    70%
    80%
    80%
    80%
    80%
    80%
    90%
    90%
    80%
    80%
    90%
    80%
    60%
    70%
    60%
    50%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SE
    17
    SE
    16
    SE
    17
    SSE
    18
    SE
    18
    SSE
    17
    SSE
    17
    SE
    17
    SE
    16
    SE
    15
    SE
    14
    SE
    14
    SE
    13
    SE
    13
    SE
    12
    SE
    11
    SE
    11
    SE
    10
    SSE
    10
    SSE
    11
    SSE
    11
    SSE
    11
    SE
    10
    SE
    10
    Wind gust (mph)
    31
    30
    32
    32
    30
    30
    29
    28
    26
    25
    23
    23
    22
    21
    21
    21
    17
    17
    16
    15
    16
    17
    16
    17
    Visibility (description)
    M
    M
    G
    G
    G
    G
    G
    G
    VG
    G
    M
    M
    M
    M
    M
    P
    P
    M
    M
    M
    M
    M
    M
    M
    Humidity
    98%
    98%
    97%
    97%
    97%
    97%
    97%
    97%
    97%
    97%
    97%
    97%
    96%
    97%
    97%
    98%
    97%
    97%
    97%
    98%
    98%
    98%
    98%
    98%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Friday (23 January 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 Overcast Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light shower night Light shower night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Cloudy
    Chance of precipitation
    40%
    50%
    50%
    40%
    30%
    20%
    40%
    60%
    60%
    60%
    70%
    80%
    80%
    80%
    70%
    60%
    70%
    60%
    50%
    50%
    40%
    40%
    30%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    -1°
    -1°
    -1°
    Wind direction and speed (mph)
    SE
    11
    SE
    11
    SE
    13
    SE
    15
    SE
    16
    ESE
    17
    ESE
    19
    ESE
    22
    ESE
    24
    ESE
    24
    ESE
    24
    ESE
    24
    ESE
    23
    ESE
    23
    ESE
    22
    ESE
    21
    ESE
    20
    ESE
    20
    ESE
    19
    ESE
    19
    ESE
    18
    ESE
    17
    ESE
    17
    ESE
    16
    Wind gust (mph)
    20
    24
    26
    30
    30
    34
    38
    41
    45
    45
    46
    45
    45
    42
    41
    38
    37
    35
    34
    34
    32
    28
    27
    25
    Visibility (description)
    G
    VG
    VG
    VG
    E
    E
    VG
    VG
    VG
    G
    M
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    VG
    G
    G
    Humidity
    97%
    96%
    95%
    93%
    93%
    93%
    93%
    93%
    94%
    94%
    95%
    95%
    95%
    95%
    94%
    94%
    94%
    94%
    94%
    94%
    94%
    94%
    94%
    94%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Saturday (24 January 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 Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    20%
    20%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    40%
    40%
    40%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    14
    ESE
    14
    ESE
    14
    ESE
    14
    ESE
    14
    ESE
    14
    ESE
    14
    ESE
    14
    E
    14
    E
    14
    E
    14
    E
    14
    E
    13
    E
    13
    E
    12
    E
    12
    E
    13
    E
    13
    ESE
    13
    ESE
    13
    ESE
    12
    Wind gust (mph)
    25
    23
    24
    22
    21
    22
    20
    21
    22
    22
    24
    25
    24
    22
    21
    21
    21
    20
    19
    21
    21
    19
    17
    18
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    G
    Humidity
    94%
    94%
    94%
    94%
    93%
    93%
    94%
    93%
    94%
    93%
    93%
    93%
    92%
    92%
    92%
    92%
    93%
    94%
    94%
    94%
    94%
    94%
    94%
    94%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Sunday (25 January 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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    30%
    30%
    30%
    30%
    40%
    30%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    30%
    30%
    30%
    30%
    20%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    -1°
    -1°
    -1°
    Wind direction and speed (mph)
    ESE
    12
    ESE
    12
    ESE
    12
    ESE
    12
    ESE
    11
    ESE
    11
    ESE
    12
    ESE
    12
    ESE
    13
    ESE
    13
    ESE
    13
    ESE
    13
    ESE
    14
    ESE
    13
    ESE
    14
    ESE
    13
    ESE
    12
    ESE
    12
    ESE
    11
    ESE
    11
    ESE
    11
    SE
    11
    ESE
    11
    SE
    11
    Wind gust (mph)
    17
    17
    17
    17
    17
    18
    17
    18
    18
    19
    21
    22
    23
    22
    23
    21
    19
    19
    19
    18
    17
    18
    18
    18
    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
    94%
    94%
    93%
    93%
    95%
    95%
    94%
    94%
    93%
    93%
    92%
    92%
    91%
    91%
    90%
    91%
    91%
    92%
    91%
    91%
    90%
    89%
    90%
    90%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Monday (26 January 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Overcast Overcast Overcast Overcast Overcast Light rain Light rain
    Chance of precipitation
    20%
    10%
    10%
    10%
    20%
    40%
    60%
    60%
    Temperature (°C)
    Feels like temperature (°C)
    -1°
    -2°
    -2°
    -2°
    -3°
    -2°
    -3°
    -3°
    Wind direction and speed (mph)
    SE
    11
    SE
    13
    SE
    15
    SE
    16
    SE
    20
    SE
    20
    ESE
    21
    SE
    20
    Wind gust (mph)
    23
    27
    32
    39
    41
    42
    43
    43
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    M
    Humidity
    90%
    89%
    87%
    86%
    84%
    83%
    86%
    91%
    UV - - - 1 1 1 - -
    Tuesday (27 January 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Light rain Light rain Sleet shower Light rain Cloudy Cloudy Cloudy Partly cloudy night
    Chance of precipitation
    60%
    70%
    60%
    50%
    50%
    40%
    40%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    -3°
    -3°
    -4°
    -3°
    -1°
    -1°
    -1°
    Wind direction and speed (mph)
    SE
    18
    SE
    17
    SE
    14
    SE
    13
    SE
    12
    SE
    11
    SSE
    9
    SSE
    9
    Wind gust (mph)
    39
    31
    21
    20
    18
    13
    11
    10
    Visibility (description)
    M
    M
    M
    M
    M
    G
    M
    G
    Humidity
    92%
    95%
    96%
    96%
    94%
    92%
    96%
    96%
    UV - - - 1 1 1 - -

    UK video forecast

    Spelga Dam weather map

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    Northern Ireland weather forecast

    Headline:

    Mainly dry morning then rain spreading north. Becoming windy.

    Today:

    A mostly dry and bright morning but a few scattered showers are possible. Turning widely cloudy during the afternoon with rain spreading north to all parts. Strengthening easterly winds reaching close to gale force along exposed coasts. Maximum temperature 9 °C.

    Tonight:

    Cloudy with outbreaks of rain continuing through the evening and overnight. A breezy night with strong southeast winds along the coasts. Minimum temperature 5 °C.

    Thursday:

    Further spells of rain continuing, these heavy at times especially over the hills. Winds becoming light. Maximum temperature 8 °C.

    Outlook for Friday to Sunday:

    Bands of rain and showers will push northwards through Friday and Saturday and becoming windy with coastal gales. Mainly dry and bright with lighter winds on Sunday.

    Updated:

    UK long range weather forecast

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