Glasfynydd (Usk Reservoir) (Carmarthenshire) weather

Forecast days

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

    7 day forecast for Glasfynydd (Usk Reservoir)

    Today (12 February 2025)
    Time
    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
    Chance of precipitation
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    Feels like temperature (°C)
    -1°
    -1°
    -1°
    -1°
    -1°
    Wind direction and speed
    E
    8
    E
    7
    E
    7
    E
    7
    E
    7
    E
    7
    E
    7
    E
    7
    Wind gust (mph)
    16
    14
    13
    12
    14
    14
    14
    14
    Visibility
    G
    G
    G
    M
    M
    M
    M
    M
    Humidity
    84%
    86%
    89%
    92%
    92%
    92%
    92%
    92%
    UV
    1
    1
    -
    -
    -
    -
    -
    -
    Thursday (13 February 2025)
    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
    Sunny intervals
    Overcast
    Overcast
    Overcast
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Overcast
    Overcast
    Overcast
    Overcast
    Cloudy
    Cloudy
    Cloudy
    Cloudy
    Chance of precipitation
    <5%
    <5%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    Feels like temperature (°C)
    -1°
    -1°
    -2°
    -2°
    -3°
    -3°
    -3°
    -4°
    -4°
    -4°
    -4°
    -3°
    -2°
    -2°
    -2°
    -2°
    -2°
    -2°
    -3°
    -3°
    -4°
    -4°
    -5°
    -5°
    Wind direction and speed (mph)
    E
    7
    E
    7
    E
    8
    E
    8
    E
    9
    E
    9
    E
    10
    E
    11
    E
    11
    E
    13
    E
    14
    E
    15
    E
    15
    ESE
    15
    ESE
    15
    ESE
    15
    ESE
    14
    ESE
    14
    ESE
    14
    ESE
    15
    ESE
    16
    ESE
    17
    ESE
    18
    ESE
    18
    Wind gust (mph)
    14
    15
    15
    16
    16
    17
    18
    20
    22
    25
    27
    28
    29
    28
    28
    28
    26
    25
    26
    27
    29
    30
    31
    31
    Visibility (description)
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    Humidity
    92%
    91%
    89%
    90%
    90%
    90%
    88%
    87%
    87%
    84%
    78%
    75%
    74%
    73%
    72%
    72%
    73%
    75%
    77%
    77%
    77%
    78%
    80%
    82%
    UV
    -
    -
    -
    -
    -
    -
    -
    1
    1
    1
    1
    1
    1
    1
    1
    1
    1
    1
    -
    -
    -
    -
    -
    -
    Friday (14 February 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Cloudy
    Overcast
    Overcast
    Light rain
    Overcast
    Overcast
    Overcast
    Overcast
    Chance of precipitation
    10%
    30%
    50%
    50%
    40%
    20%
    30%
    50%
    Temperature (°C)
    Feels like temperature (°C)
    -5°
    -6°
    -6°
    -6°
    -4°
    -2°
    -3°
    -3°
    Wind direction and speed (mph)
    ESE
    18
    ESE
    19
    ESE
    20
    ESE
    19
    ESE
    19
    ESE
    17
    ESE
    14
    ESE
    14
    Wind gust (mph)
    32
    32
    32
    31
    29
    25
    23
    23
    Visibility (description)
    G
    VG
    G
    G
    G
    G
    G
    G
    Humidity
    81%
    82%
    85%
    86%
    87%
    88%
    89%
    91%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Saturday (15 February 2025)
    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
    Cloudy
    Partly cloudy night
    Partly cloudy night
    Chance of precipitation
    50%
    60%
    60%
    60%
    60%
    30%
    20%
    20%
    Temperature (°C)
    Feels like temperature (°C)
    -3°
    -2°
    -1°
    -1°
    -1°
    Wind direction and speed (mph)
    ESE
    13
    ESE
    13
    ESE
    12
    ESE
    11
    ESE
    11
    ESE
    12
    ESE
    13
    ESE
    14
    Wind gust (mph)
    20
    19
    20
    20
    20
    20
    20
    21
    Visibility (description)
    G
    M
    M
    M
    M
    M
    G
    G
    Humidity
    93%
    96%
    97%
    97%
    96%
    95%
    94%
    88%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Sunday (16 February 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Cloudy
    Cloudy
    Light rain
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Chance of precipitation
    20%
    40%
    60%
    50%
    30%
    30%
    40%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    -2°
    -2°
    -3°
    -3°
    Wind direction and speed (mph)
    ESE
    14
    ESE
    13
    ESE
    14
    ESE
    13
    ESE
    12
    ESE
    11
    ESE
    9
    SE
    9
    Wind gust (mph)
    20
    21
    21
    20
    19
    16
    15
    15
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    M
    Humidity
    87%
    89%
    91%
    92%
    91%
    89%
    93%
    94%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Monday (17 February 2025)
    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
    Overcast
    Overcast
    Chance of precipitation
    50%
    40%
    40%
    40%
    40%
    50%
    50%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SE
    9
    SE
    9
    SE
    9
    SE
    9
    SSE
    10
    SSE
    10
    SSE
    8
    SSE
    7
    Wind gust (mph)
    17
    17
    18
    20
    21
    19
    17
    17
    Visibility (description)
    M
    M
    M
    M
    M
    G
    M
    M
    Humidity
    94%
    95%
    95%
    94%
    93%
    92%
    95%
    96%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Tuesday (18 February 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Cloudy
    Cloudy
    Cloudy
    Cloudy
    Sunny intervals
    Sunny intervals
    Partly cloudy night
    Partly cloudy night
    Chance of precipitation
    30%
    40%
    30%
    20%
    20%
    20%
    20%
    20%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSE
    7
    SSE
    7
    SE
    7
    SE
    7
    SE
    10
    SE
    11
    SE
    9
    SE
    9
    Wind gust (mph)
    15
    14
    14
    21
    24
    25
    25
    25
    Visibility (description)
    M
    M
    M
    G
    VG
    VG
    G
    G
    Humidity
    96%
    96%
    96%
    94%
    88%
    83%
    87%
    89%
    UV
    -
    -
    -
    1
    1
    1
    -
    -

    UK video forecast

    Glasfynydd (Usk Reservoir) weather map

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    Wales weather forecast

    Headline:

    Widely cloudy with hill fog, and a few wintry flurries.

    Today:

    Mainly dry but cool and rather cloudy. Some brighter spells developing in the far west, though still feeling rather chilly. Hill fog lingering across the Eryri mountains, with a few wintry flurries at times and light winds. Maximum temperature 7 °C.

    Tonight:

    Another cloudy night with a rural frost possible in the mountains, though most places remaining frost free. Mainly dry, though patchy light rain arriving in the southwest by morning. Minimum temperature 2 °C.

    Thursday:

    Widely cloudy with patchy light rain and drizzle at times, mainly over higher ground. Feeling chilly in a southeasterly wind, and becoming breezy through the evening. Maximum temperature 6 °C.

    Outlook for Friday to Sunday:

    High pressure continues to bring cool and rather cloudy conditions. An increasing risk of rain, perhaps hill snow, and feeling rather breezy. Some cold and frosty nights over the weekend.

    Updated:

    UK long range weather forecast

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