Spelga Dam (County Down) weather

Forecast days

Overcast changing to light rain by late morning.
Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution
No pollen data.

    7 day forecast for Spelga Dam

    Today (21 February 2026)
    Time
    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 Overcast Overcast Overcast Partly cloudy night Cloudy Overcast Light rain Light rain Heavy rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light shower night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    90%
    90%
    50%
    20%
    <5%
    <5%
    <5%
    <5%
    10%
    60%
    90%
    ≥95%
    ≥95%
    90%
    80%
    90%
    90%
    80%
    70%
    70%
    50%
    30%
    10%
    Temperature
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed
    WSW
    13
    SW
    12
    SW
    13
    WSW
    15
    WSW
    15
    WSW
    14
    WSW
    14
    SW
    13
    SW
    13
    SW
    13
    SSW
    14
    SSW
    16
    SSW
    16
    SSW
    15
    SW
    15
    SW
    15
    SW
    15
    SW
    15
    SW
    15
    SW
    15
    WSW
    14
    WSW
    14
    WSW
    14
    Wind gust (mph)
    21
    21
    24
    26
    25
    24
    23
    22
    22
    23
    24
    25
    26
    26
    26
    25
    26
    27
    26
    26
    25
    24
    22
    Visibility
    P
    P
    P
    P
    P
    M
    M
    M
    M
    M
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    M
    G
    Humidity
    95%
    97%
    98%
    97%
    95%
    94%
    94%
    94%
    93%
    94%
    96%
    96%
    98%
    99%
    98%
    97%
    98%
    98%
    97%
    97%
    97%
    94%
    93%
    UV - - - - - - 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Sunday (22 February 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 Cloudy Cloudy Partly cloudy night Partly cloudy night Light shower night Light shower night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Light shower day Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    <5%
    <5%
    <5%
    20%
    40%
    30%
    50%
    50%
    40%
    50%
    50%
    40%
    30%
    40%
    70%
    80%
    70%
    80%
    70%
    70%
    60%
    60%
    50%
    60%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WSW
    14
    WSW
    13
    SW
    14
    SW
    14
    SW
    14
    SW
    14
    SW
    14
    SW
    14
    SW
    15
    SW
    15
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    15
    SW
    16
    WSW
    16
    WSW
    16
    WSW
    15
    WSW
    14
    WSW
    14
    WSW
    15
    SW
    15
    WSW
    15
    Wind gust (mph)
    22
    22
    22
    23
    25
    25
    25
    25
    24
    26
    27
    28
    30
    30
    32
    33
    31
    31
    28
    28
    28
    27
    28
    29
    Visibility (description)
    G
    G
    M
    M
    G
    M
    G
    G
    G
    G
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    G
    G
    Humidity
    92%
    93%
    93%
    93%
    93%
    93%
    92%
    92%
    92%
    91%
    87%
    85%
    83%
    77%
    76%
    76%
    79%
    83%
    85%
    86%
    87%
    90%
    88%
    89%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Monday (23 February 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 Cloudy Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Overcast Overcast Mist Overcast Overcast Overcast Overcast
    Chance of precipitation
    60%
    50%
    40%
    50%
    40%
    40%
    40%
    50%
    60%
    60%
    70%
    80%
    90%
    80%
    70%
    60%
    50%
    40%
    30%
    30%
    20%
    10%
    10%
    10%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SW
    15
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    15
    WSW
    15
    WSW
    14
    SW
    14
    SW
    14
    SW
    14
    SW
    14
    SW
    14
    SSW
    15
    SSW
    15
    SW
    16
    SW
    16
    SSW
    16
    SSW
    16
    SSW
    15
    SSW
    15
    SW
    14
    SSW
    14
    SSW
    13
    Wind gust (mph)
    28
    28
    28
    27
    27
    26
    25
    24
    23
    23
    23
    24
    24
    25
    25
    24
    24
    25
    26
    25
    25
    24
    22
    25
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    Humidity
    90%
    89%
    89%
    90%
    90%
    91%
    92%
    92%
    94%
    94%
    93%
    92%
    93%
    95%
    96%
    97%
    97%
    97%
    97%
    97%
    97%
    96%
    95%
    96%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Tuesday (24 February 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 Mist Fog Fog Fog Fog Fog Light rain Light rain Fog Fog
    Chance of precipitation
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    20%
    20%
    20%
    20%
    30%
    30%
    30%
    40%
    40%
    40%
    60%
    60%
    40%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSW
    13
    SSW
    14
    S
    14
    S
    15
    S
    16
    S
    17
    S
    17
    S
    17
    S
    18
    S
    19
    S
    19
    S
    19
    S
    18
    S
    18
    S
    18
    S
    17
    S
    17
    S
    17
    S
    17
    S
    17
    S
    17
    S
    16
    S
    16
    S
    16
    Wind gust (mph)
    26
    26
    26
    27
    27
    27
    27
    28
    29
    30
    31
    31
    31
    31
    31
    30
    30
    30
    30
    29
    28
    26
    27
    26
    Visibility (description)
    P
    M
    P
    M
    M
    M
    M
    M
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    VP
    P
    P
    P
    P
    Humidity
    96%
    95%
    94%
    94%
    95%
    94%
    95%
    95%
    96%
    96%
    96%
    97%
    96%
    96%
    97%
    98%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Wednesday (25 February 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 Fog Fog Fog Fog Fog Fog Fog Fog Fog Fog Mist Mist Cloudy Cloudy Sunny intervals Light shower day Light shower day Light shower day Partly cloudy night Partly cloudy night Partly cloudy night Mist Mist Fog
    Chance of precipitation
    40%
    40%
    40%
    50%
    50%
    50%
    50%
    40%
    50%
    40%
    40%
    30%
    30%
    40%
    50%
    60%
    60%
    50%
    50%
    50%
    40%
    30%
    30%
    20%
    Temperature (°C)
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    15
    S
    15
    S
    15
    S
    14
    S
    13
    S
    12
    S
    12
    S
    11
    S
    11
    S
    11
    S
    11
    S
    10
    S
    10
    S
    10
    S
    10
    S
    10
    S
    10
    S
    9
    S
    9
    S
    9
    SSW
    9
    SSW
    9
    SSW
    9
    SSW
    10
    Wind gust (mph)
    25
    25
    24
    23
    22
    21
    20
    20
    19
    20
    20
    19
    19
    20
    20
    20
    21
    20
    20
    19
    18
    19
    20
    21
    Visibility (description)
    P
    P
    P
    P
    P
    VP
    VP
    P
    P
    P
    P
    P
    P
    M
    M
    M
    M
    M
    M
    M
    M
    M
    P
    M
    Humidity
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    98%
    97%
    96%
    95%
    93%
    92%
    92%
    93%
    94%
    96%
    96%
    96%
    96%
    96%
    96%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Thursday (26 February 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Fog Overcast Light rain Light shower day Light shower day Light shower day Cloudy Cloudy
    Chance of precipitation
    10%
    30%
    50%
    60%
    60%
    50%
    20%
    20%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSW
    9
    SSW
    10
    SSW
    13
    SSW
    15
    SSW
    17
    SW
    17
    SW
    15
    SW
    15
    Wind gust (mph)
    19
    22
    27
    30
    31
    31
    28
    29
    Visibility (description)
    P
    P
    M
    M
    M
    M
    M
    M
    Humidity
    96%
    95%
    94%
    92%
    88%
    83%
    85%
    85%
    UV - - - 1 1 1 - -
    Friday (27 February 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 Cloudy Cloudy Light shower day Light shower day Cloudy Cloudy
    Chance of precipitation
    20%
    10%
    20%
    30%
    50%
    50%
    30%
    20%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SW
    16
    SW
    15
    SW
    14
    SW
    12
    WSW
    15
    WSW
    13
    W
    11
    W
    10
    Wind gust (mph)
    29
    28
    24
    29
    29
    26
    19
    21
    Visibility (description)
    G
    G
    VG
    G
    G
    G
    G
    G
    Humidity
    85%
    85%
    87%
    85%
    75%
    74%
    83%
    84%
    UV - - - 1 1 1 - -

    UK video forecast

    Spelga Dam weather map

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    Northern Ireland weather forecast

    Headline:

    Dry start Saturday, otherwise cloudy with rain at times.

    This Evening and Tonight:

    Mostly cloudy start with a few showers. Turning dry for a time before a band of rain spreads northeastwards overnight, clearing to the east before dawn. Minimum temperature 6 °C.

    Saturday:

    A generally dry start to the day. Outbreaks of rain will reach the southwest later in the morning. The afternoon will be cloudy with outbreaks of rain for most places. Maximum temperature 12 °C.

    Outlook for Sunday to Tuesday:

    Remaining unsettled with blustery heavy showers spreading eastwards and at times longer periods of rain. However, still some dry spells with occasional brightness. Breezy throughout.

    Updated:

    UK long range weather forecast

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