Builth Wells (Powys) weather

Forecast days

Light showers changing to sunny intervals by early evening.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
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    7 day forecast for Builth Wells

    Today (15 April 2026)
    Time
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Light shower day Light shower day Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Light shower night
    Chance of precipitation
    50%
    90%
    20%
    10%
    <5%
    <5%
    <5%
    20%
    60%
    Temperature
    14°
    14°
    13°
    13°
    12°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    12°
    11°
    11°
    10°
    Wind direction and speed
    SW
    13
    SW
    14
    SW
    14
    SW
    14
    SW
    13
    SW
    12
    SW
    11
    SW
    12
    SSW
    12
    Wind gust (mph)
    35
    35
    35
    33
    30
    29
    29
    31
    33
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    Humidity
    73%
    67%
    67%
    67%
    73%
    75%
    77%
    79%
    78%
    UV 3 2 1 1 1 1 - - -
    Thursday (16 April 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 Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Overcast Overcast Overcast Overcast Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Light rain
    Chance of precipitation
    70%
    80%
    80%
    50%
    40%
    20%
    10%
    20%
    20%
    20%
    10%
    20%
    20%
    20%
    20%
    30%
    50%
    60%
    60%
    60%
    70%
    90%
    90%
    90%
    Temperature (°C)
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    12°
    13°
    13°
    14°
    14°
    14°
    13°
    13°
    13°
    12°
    12°
    11°
    11°
    11°
    Feels like temperature (°C)
    10°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    10°
    10°
    Wind direction and speed (mph)
    SSW
    13
    SW
    13
    SW
    13
    SW
    13
    SW
    12
    WSW
    11
    WSW
    10
    SW
    9
    SW
    9
    SW
    9
    SW
    10
    SW
    10
    SW
    11
    SW
    11
    SW
    11
    SW
    10
    SW
    9
    SW
    8
    SW
    7
    SSW
    6
    S
    5
    SSE
    5
    S
    6
    SSE
    6
    Wind gust (mph)
    33
    32
    31
    30
    29
    27
    23
    22
    23
    24
    25
    25
    25
    26
    25
    25
    23
    20
    18
    15
    15
    15
    17
    18
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    Humidity
    78%
    83%
    84%
    84%
    84%
    84%
    85%
    85%
    84%
    77%
    72%
    67%
    62%
    62%
    62%
    64%
    65%
    68%
    70%
    75%
    82%
    85%
    86%
    88%
    UV - - - - - - 1 1 1 2 2 3 2 3 2 1 1 1 1 1 1 - - -
    Friday (17 April 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 rain Overcast Light rain Light rain Light rain Overcast Light rain Light rain Light rain Heavy rain Light rain Light rain Light shower day Light shower day Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    80%
    60%
    50%
    50%
    60%
    60%
    50%
    50%
    60%
    80%
    90%
    90%
    90%
    70%
    50%
    40%
    30%
    20%
    10%
    10%
    <5%
    10%
    10%
    10%
    Temperature (°C)
    11°
    11°
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    13°
    12°
    11°
    10°
    10°
    Feels like temperature (°C)
    10°
    10°
    11°
    11°
    11°
    12°
    12°
    12°
    11°
    11°
    10°
    Wind direction and speed (mph)
    SSE
    6
    S
    7
    S
    7
    S
    8
    S
    8
    S
    8
    S
    8
    S
    9
    S
    10
    S
    11
    S
    11
    S
    11
    SSW
    12
    SSW
    11
    SW
    12
    SW
    12
    SW
    12
    SW
    12
    SW
    11
    SW
    10
    SW
    9
    SW
    8
    SW
    8
    SW
    8
    Wind gust (mph)
    19
    19
    20
    21
    22
    23
    23
    25
    27
    27
    28
    29
    29
    29
    30
    30
    30
    29
    27
    24
    22
    21
    21
    21
    Visibility (description)
    G
    G
    VG
    G
    G
    G
    G
    G
    G
    G
    M
    M
    G
    G
    G
    G
    VG
    VG
    G
    VG
    VG
    VG
    G
    VG
    Humidity
    88%
    86%
    86%
    86%
    86%
    87%
    86%
    86%
    85%
    84%
    84%
    84%
    83%
    83%
    80%
    73%
    68%
    68%
    68%
    72%
    76%
    84%
    85%
    85%
    UV - - - - - - 1 1 1 1 1 2 2 2 3 2 2 1 1 1 1 - - -
    Saturday (18 April 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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Clear night Clear night Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    20%
    10%
    10%
    10%
    10%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    10%
    10%
    10%
    20%
    Temperature (°C)
    10°
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    12°
    12°
    11°
    Feels like temperature (°C)
    10°
    10°
    11°
    11°
    11°
    11°
    10°
    10°
    Wind direction and speed (mph)
    SW
    8
    SW
    7
    SW
    7
    SW
    7
    SW
    6
    SW
    6
    SW
    6
    SW
    6
    WSW
    7
    W
    7
    W
    8
    W
    9
    W
    9
    WNW
    9
    WNW
    9
    WNW
    9
    WNW
    9
    WNW
    9
    WNW
    8
    WNW
    7
    WNW
    6
    WSW
    5
    SW
    4
    WSW
    4
    Wind gust (mph)
    20
    19
    18
    18
    17
    16
    15
    17
    19
    21
    21
    22
    22
    22
    23
    23
    22
    21
    19
    16
    13
    12
    11
    11
    Visibility (description)
    VG
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    85%
    86%
    86%
    90%
    91%
    92%
    93%
    91%
    84%
    71%
    63%
    57%
    54%
    50%
    46%
    48%
    46%
    46%
    52%
    59%
    71%
    79%
    85%
    87%
    UV - - - - - - 1 1 1 2 2 3 4 4 4 3 2 1 1 1 1 - - -
    Sunday (19 April 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 Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Clear night Clear night Clear night
    Chance of precipitation
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    12°
    12°
    10°
    Feels like temperature (°C)
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    11°
    10°
    Wind direction and speed (mph)
    SW
    4
    W
    4
    WSW
    4
    WSW
    3
    W
    3
    WSW
    3
    SW
    3
    W
    2
    WNW
    2
    NW
    2
    NNW
    3
    NW
    4
    NW
    5
    NW
    5
    NW
    5
    WNW
    5
    NW
    5
    NNW
    5
    N
    6
    N
    5
    WNW
    5
    SSW
    4
    WSW
    3
    NNE
    3
    Wind gust (mph)
    11
    10
    11
    10
    10
    10
    9
    9
    7
    7
    12
    16
    16
    16
    16
    16
    16
    15
    15
    13
    11
    11
    10
    10
    Visibility (description)
    VG
    G
    G
    G
    G
    P
    P
    M
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    88%
    90%
    91%
    93%
    95%
    96%
    97%
    96%
    87%
    76%
    62%
    54%
    44%
    42%
    42%
    42%
    42%
    43%
    44%
    55%
    66%
    74%
    78%
    83%
    UV - - - - - - 1 1 1 2 3 3 3 3 3 3 1 1 1 1 1 - - -
    Monday (20 April 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 Clear night Sunny intervals Sunny intervals Cloudy Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    Temperature (°C)
    10°
    13°
    13°
    12°
    Feels like temperature (°C)
    11°
    11°
    10°
    Wind direction and speed (mph)
    ENE
    3
    ENE
    3
    ENE
    3
    SE
    2
    SE
    7
    ESE
    9
    NE
    9
    ENE
    7
    NE
    5
    Wind gust (mph)
    10
    8
    7
    9
    21
    21
    21
    16
    14
    Visibility (description)
    VG
    VG
    G
    M
    VG
    VG
    G
    G
    G
    Humidity
    85%
    86%
    91%
    90%
    65%
    55%
    54%
    62%
    78%
    UV - - - 1 3 4 2 1 -
    Tuesday (21 April 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Partly cloudy night
    Chance of precipitation
    10%
    10%
    20%
    20%
    20%
    10%
    20%
    10%
    Temperature (°C)
    12°
    13°
    12°
    Feels like temperature (°C)
    10°
    11°
    Wind direction and speed (mph)
    NE
    5
    NNE
    5
    NE
    6
    E
    11
    E
    12
    E
    12
    ENE
    10
    ENE
    8
    Wind gust (mph)
    12
    15
    23
    26
    28
    26
    21
    19
    Visibility (description)
    G
    M
    M
    VG
    G
    VG
    G
    G
    Humidity
    85%
    91%
    91%
    77%
    64%
    61%
    67%
    78%
    UV - - 1 2 4 2 1 -

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    Wales weather forecast

    Headline:

    Changeable this week. Turning drier through the weekend.

    Today:

    A grey start across Wales with outbreaks of drizzle. A spells of heavy rain with blustery winds will move through in the afternoon, with brighter skies following and a few heavy showers. Maximum temperature 15 °C.

    Tonight:

    Breezy tonight with clear spells and occasional showers moving through, which could be heavy at times. Staying mild with the brisk winds. Minimum temperature 7 °C.

    Thursday:

    Sunny spells and scattered showers on Thursday. Turning increasingly cloudy through the afternoon. Feeling pleasant in any brighter spells. Maximum temperature 17 °C.

    Outlook for Friday to Sunday:

    A spell of rain will move through on Friday. Scattered showers on Saturday. Most likely turning dry, warm and sunny on Sunday.

    Updated:

    UK long range weather forecast

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