Lake Vyrnwy SAWS (Powys) weather

Forecast days

Sunny.
Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

    7 day forecast for Lake Vyrnwy SAWS

    Today (14 July 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 Sunny day Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    17°
    18°
    20°
    21°
    22°
    23°
    24°
    24°
    24°
    23°
    23°
    21°
    20°
    18°
    Feels like temperature (°C)
    14°
    16°
    17°
    19°
    20°
    21°
    21°
    21°
    22°
    22°
    21°
    19°
    18°
    16°
    Wind direction and speed
    E
    13
    E
    14
    E
    14
    E
    13
    E
    13
    E
    13
    E
    13
    E
    13
    E
    11
    E
    10
    ENE
    10
    ENE
    11
    ENE
    11
    E
    10
    Wind gust (mph)
    23
    23
    23
    24
    24
    24
    24
    22
    22
    21
    21
    21
    20
    19
    Visibility
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    Humidity
    67%
    65%
    63%
    59%
    55%
    49%
    42%
    41%
    42%
    52%
    55%
    58%
    66%
    74%
    UV 5 6 7 7 7 6 4 3 2 1 1 1 - -
    Wednesday (15 July 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Sunny intervals Sunny intervals Sunny day Sunny day 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
    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)
    17°
    15°
    15°
    14°
    14°
    13°
    13°
    14°
    14°
    16°
    18°
    19°
    21°
    23°
    24°
    24°
    25°
    25°
    25°
    24°
    23°
    20°
    19°
    18°
    Feels like temperature (°C)
    16°
    14°
    14°
    13°
    13°
    12°
    12°
    13°
    13°
    15°
    16°
    18°
    19°
    21°
    22°
    23°
    23°
    23°
    23°
    23°
    22°
    19°
    18°
    17°
    Wind direction and speed (mph)
    E
    9
    E
    9
    E
    8
    E
    7
    ENE
    7
    ENE
    7
    E
    7
    E
    7
    E
    8
    E
    9
    E
    9
    E
    9
    E
    9
    E
    9
    E
    9
    E
    8
    E
    8
    ENE
    8
    ENE
    8
    ENE
    7
    NE
    6
    NNE
    7
    NNE
    7
    NE
    7
    Wind gust (mph)
    17
    16
    15
    14
    14
    14
    15
    15
    17
    18
    19
    20
    20
    20
    20
    19
    19
    18
    18
    16
    15
    15
    15
    15
    Visibility (description)
    VG
    VG
    VG
    G
    G
    G
    M
    G
    G
    VG
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    Humidity
    79%
    85%
    87%
    91%
    92%
    93%
    93%
    91%
    86%
    83%
    75%
    70%
    62%
    54%
    44%
    40%
    40%
    40%
    40%
    41%
    54%
    62%
    62%
    63%
    UV - - - - - 1 1 1 2 3 5 6 7 7 7 6 4 3 2 1 1 1 - -
    Thursday (16 July 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 Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny day Sunny day Sunny day Sunny day 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)
    17°
    16°
    15°
    14°
    13°
    13°
    12°
    13°
    15°
    17°
    18°
    20°
    22°
    23°
    24°
    24°
    25°
    25°
    24°
    24°
    22°
    20°
    19°
    18°
    Feels like temperature (°C)
    16°
    15°
    14°
    13°
    12°
    12°
    12°
    13°
    15°
    16°
    18°
    19°
    21°
    22°
    22°
    24°
    24°
    24°
    23°
    23°
    21°
    19°
    18°
    18°
    Wind direction and speed (mph)
    ENE
    7
    NE
    6
    NE
    6
    NE
    6
    NE
    6
    NE
    5
    NE
    5
    ENE
    5
    E
    5
    E
    5
    E
    6
    E
    7
    E
    7
    E
    6
    E
    6
    E
    5
    E
    5
    ENE
    6
    ENE
    6
    NE
    6
    NNE
    7
    N
    8
    NNW
    8
    NNW
    7
    Wind gust (mph)
    14
    13
    12
    12
    11
    11
    10
    11
    13
    13
    15
    17
    17
    17
    17
    16
    15
    14
    15
    15
    15
    14
    13
    12
    Visibility (description)
    G
    G
    VG
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    VG
    Humidity
    67%
    74%
    80%
    85%
    90%
    93%
    93%
    89%
    84%
    76%
    72%
    63%
    54%
    43%
    41%
    40%
    40%
    40%
    40%
    41%
    56%
    63%
    66%
    68%
    UV - - - - - 1 1 1 2 3 5 6 7 8 7 6 4 3 2 1 1 1 - -
    Friday (17 July 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 Sunny day Sunny day Sunny day Sunny day Sunny day 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
    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)
    18°
    17°
    16°
    15°
    15°
    14°
    14°
    16°
    18°
    20°
    21°
    22°
    23°
    23°
    24°
    24°
    24°
    23°
    23°
    22°
    21°
    18°
    16°
    16°
    Feels like temperature (°C)
    17°
    16°
    15°
    14°
    14°
    13°
    13°
    16°
    18°
    19°
    21°
    21°
    22°
    22°
    22°
    22°
    23°
    21°
    21°
    21°
    19°
    17°
    15°
    15°
    Wind direction and speed (mph)
    N
    7
    N
    6
    N
    5
    NNW
    5
    NNW
    5
    NNW
    5
    NW
    5
    NW
    3
    ENE
    3
    ENE
    4
    ENE
    5
    NE
    5
    NNE
    6
    NNE
    7
    N
    7
    N
    7
    N
    8
    N
    9
    N
    9
    N
    8
    NNW
    8
    NNW
    7
    NW
    7
    NW
    7
    Wind gust (mph)
    11
    10
    10
    9
    8
    8
    7
    6
    8
    10
    13
    16
    17
    19
    20
    21
    21
    20
    19
    17
    14
    12
    11
    10
    Visibility (description)
    VG
    G
    VG
    VG
    VG
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    VG
    VG
    Humidity
    69%
    74%
    77%
    79%
    81%
    82%
    82%
    73%
    66%
    62%
    57%
    49%
    44%
    42%
    41%
    41%
    40%
    41%
    42%
    52%
    59%
    68%
    72%
    75%
    UV - - - - - 1 1 1 2 3 5 6 7 7 7 6 4 3 2 1 1 1 - -
    Saturday (18 July 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 Sunny day Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day 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)
    15°
    15°
    14°
    13°
    12°
    11°
    12°
    14°
    15°
    16°
    18°
    19°
    20°
    20°
    22°
    22°
    22°
    21°
    20°
    19°
    18°
    15°
    13°
    11°
    Feels like temperature (°C)
    14°
    14°
    13°
    12°
    12°
    11°
    11°
    13°
    15°
    16°
    18°
    19°
    19°
    20°
    21°
    21°
    20°
    19°
    18°
    17°
    16°
    14°
    12°
    11°
    Wind direction and speed (mph)
    NW
    7
    NW
    6
    NW
    6
    N
    6
    NNE
    5
    N
    5
    N
    4
    ENE
    3
    E
    3
    SE
    3
    ESE
    3
    ENE
    3
    NE
    4
    NE
    5
    N
    5
    N
    7
    N
    9
    N
    9
    N
    10
    N
    10
    N
    9
    N
    7
    NNW
    7
    NNW
    5
    Wind gust (mph)
    10
    9
    8
    8
    8
    8
    7
    8
    9
    10
    11
    13
    14
    16
    18
    20
    21
    21
    20
    19
    17
    13
    12
    11
    Visibility (description)
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    78%
    82%
    86%
    88%
    91%
    92%
    92%
    83%
    76%
    72%
    67%
    63%
    57%
    54%
    52%
    50%
    50%
    54%
    56%
    62%
    66%
    76%
    86%
    91%
    UV - - - - - 1 1 1 2 3 5 6 7 7 6 5 4 3 2 1 1 1 - -
    Sunday (19 July 2026)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    10°
    11°
    16°
    19°
    20°
    19°
    11°
    Feels like temperature (°C)
    11°
    15°
    18°
    18°
    17°
    Wind direction and speed (mph)
    NNW
    5
    NNW
    5
    NNW
    3
    NNW
    3
    N
    5
    N
    7
    NNW
    8
    NNW
    9
    NNW
    8
    Wind gust (mph)
    10
    6
    6
    11
    16
    17
    17
    15
    9
    Visibility (description)
    VG
    G
    M
    M
    VG
    VG
    G
    G
    G
    Humidity
    93%
    95%
    99%
    94%
    71%
    52%
    42%
    52%
    86%
    UV - - - 1 5 7 4 1 -
    Monday (20 July 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Mist Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    16°
    20°
    22°
    19°
    13°
    Feels like temperature (°C)
    10°
    15°
    19°
    19°
    17°
    12°
    Wind direction and speed (mph)
    NW
    6
    NNW
    7
    NNW
    6
    NNW
    9
    NNW
    8
    N
    10
    N
    10
    N
    7
    Wind gust (mph)
    6
    8
    10
    14
    16
    16
    13
    8
    Visibility (description)
    M
    M
    G
    VG
    G
    G
    VG
    G
    Humidity
    95%
    96%
    88%
    69%
    54%
    50%
    54%
    86%
    UV - - 1 5 7 4 1 -

    UK video forecast

    Lake Vyrnwy SAWS weather map

    View the weather with our interactive map

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    Wales weather forecast

    Headline:

    Dry and very warm spell of weather continues.

    Today:

    Any early morning low cloud will quickly burn away to leave another dry and sunny day. The sunshine however maybe hazy at times, with the brisk breeze continuing across southern hills and coasts. Feeling very warm, especially inland. Maximum temperature 30 °C.

    Tonight:

    Remaining fine and dry this evening with plenty of late sunshine. Little change overnight with largely clear skies. A warm night, especially in the towns and cities. Minimum temperature 15 °C.

    Wednesday:

    Another dry and sunny day once any early morning low cloud and mist clears. Feeling very warm, especially in the strong sunshine. Maximum temperature 30 °C.

    Outlook for Thursday to Saturday:

    Remaining largely dry and settled throughout. A small chance of a few showers at times, but most will avoid them. Very warm initially but a little cooler by Saturday.

    Updated:

    UK long range weather forecast