Sugar Loaf (Monmouthshire) weather

Forecast days

Cloudy changing to light showers by lunchtime.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution

    7 day forecast for Sugar Loaf

    Today (17 May 2026)
    Time
    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 Cloudy Light rain Light shower day Light shower day Light shower day Cloudy Cloudy Light shower day Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night
    Chance of precipitation
    10%
    30%
    70%
    90%
    70%
    50%
    30%
    50%
    60%
    70%
    80%
    80%
    80%
    70%
    70%
    Temperature
    Feels like temperature (°C)
    Wind direction and speed
    W
    15
    W
    15
    W
    15
    W
    14
    W
    14
    W
    14
    WSW
    15
    WSW
    17
    WSW
    19
    WSW
    18
    WSW
    17
    WSW
    15
    WSW
    13
    WSW
    12
    SW
    11
    Wind gust (mph)
    19
    20
    22
    23
    23
    23
    25
    26
    27
    25
    22
    19
    16
    15
    15
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    M
    M
    Humidity
    74%
    66%
    64%
    66%
    65%
    58%
    55%
    56%
    58%
    66%
    71%
    77%
    85%
    86%
    87%
    UV 2 3 2 4 4 2 4 2 1 1 1 1 1 - -
    Monday (18 May 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 Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain
    Chance of precipitation
    80%
    80%
    90%
    90%
    90%
    90%
    80%
    70%
    70%
    60%
    60%
    60%
    70%
    70%
    60%
    50%
    50%
    60%
    70%
    80%
    80%
    90%
    90%
    ≥95%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SW
    10
    SW
    10
    SW
    10
    SW
    10
    SW
    10
    SW
    11
    SW
    10
    WSW
    11
    WSW
    12
    WSW
    12
    WSW
    12
    WSW
    13
    SW
    14
    SW
    14
    SW
    15
    SW
    15
    SW
    15
    SW
    14
    SSW
    13
    S
    13
    S
    13
    SSE
    14
    SSE
    16
    SSE
    18
    Wind gust (mph)
    15
    17
    17
    18
    19
    18
    17
    18
    17
    17
    19
    20
    21
    22
    22
    22
    21
    21
    20
    20
    22
    23
    25
    27
    Visibility (description)
    M
    M
    M
    P
    P
    P
    P
    M
    M
    G
    M
    G
    G
    M
    G
    VG
    VG
    M
    P
    VP
    VP
    VP
    VP
    VP
    Humidity
    88%
    89%
    88%
    90%
    91%
    91%
    92%
    87%
    85%
    81%
    80%
    74%
    76%
    75%
    74%
    74%
    70%
    72%
    82%
    87%
    93%
    95%
    96%
    97%
    UV - - - - - 1 1 1 2 2 3 3 3 5 3 2 2 1 1 1 1 1 - -
    Tuesday (19 May 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 Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light shower day Light rain Heavy rain Heavy rain Heavy shower day Light shower day Light shower day Light shower day Light shower day Cloudy Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night
    Chance of precipitation
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    90%
    70%
    70%
    70%
    80%
    90%
    90%
    ≥95%
    ≥95%
    90%
    70%
    70%
    60%
    50%
    50%
    50%
    50%
    50%
    60%
    70%
    Temperature (°C)
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSE
    18
    SSE
    18
    SSE
    17
    S
    16
    SSW
    16
    SSW
    16
    SSW
    16
    SSW
    16
    SW
    17
    SW
    17
    SW
    18
    SW
    19
    SW
    20
    SW
    22
    SW
    23
    WSW
    24
    WSW
    25
    WSW
    24
    WSW
    23
    SW
    23
    SW
    21
    SW
    20
    SW
    19
    SW
    19
    Wind gust (mph)
    27
    27
    27
    26
    25
    23
    23
    23
    24
    25
    26
    27
    29
    31
    32
    33
    33
    32
    31
    30
    28
    28
    26
    27
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    P
    P
    P
    P
    M
    G
    G
    M
    G
    M
    P
    M
    P
    P
    Humidity
    98%
    98%
    98%
    98%
    98%
    96%
    93%
    92%
    89%
    89%
    87%
    87%
    85%
    84%
    80%
    79%
    78%
    78%
    79%
    80%
    84%
    85%
    86%
    87%
    UV - - - - - 1 1 1 1 3 3 4 3 5 5 4 2 2 1 1 1 1 - -
    Wednesday (20 May 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 Light rain Light rain Light rain Light rain Light rain Light rain Overcast Overcast Overcast Overcast Overcast Overcast Mist Overcast Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Mist Fog Fog
    Chance of precipitation
    80%
    90%
    90%
    80%
    70%
    70%
    70%
    50%
    50%
    50%
    50%
    40%
    40%
    40%
    40%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    Temperature (°C)
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SW
    19
    SW
    19
    SW
    20
    WSW
    20
    WSW
    20
    WSW
    20
    WSW
    20
    WSW
    20
    WSW
    21
    WSW
    22
    WSW
    23
    WSW
    24
    WSW
    25
    WSW
    24
    WSW
    24
    WSW
    23
    WSW
    22
    WSW
    21
    WSW
    20
    WSW
    18
    WSW
    17
    WSW
    16
    WSW
    14
    WSW
    14
    Wind gust (mph)
    28
    28
    28
    27
    27
    26
    26
    27
    28
    28
    29
    30
    31
    31
    31
    31
    30
    28
    26
    23
    21
    18
    17
    17
    Visibility (description)
    P
    VP
    VP
    VP
    VP
    VP
    VP
    P
    VP
    P
    VP
    P
    P
    P
    VP
    VP
    P
    P
    P
    P
    P
    P
    VP
    VP
    Humidity
    87%
    89%
    91%
    91%
    92%
    91%
    91%
    88%
    87%
    86%
    84%
    81%
    80%
    80%
    82%
    82%
    81%
    78%
    78%
    79%
    84%
    86%
    87%
    90%
    UV - - - - - 1 1 1 2 3 3 5 5 5 5 4 3 2 1 1 1 1 - -
    Thursday (21 May 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 Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Clear night Clear night Clear night
    Chance of precipitation
    20%
    10%
    10%
    10%
    10%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    <5%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    12°
    13°
    14°
    14°
    15°
    16°
    16°
    16°
    16°
    15°
    14°
    12°
    11°
    10°
    Feels like temperature (°C)
    10°
    11°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    10°
    Wind direction and speed (mph)
    WSW
    13
    WSW
    13
    WSW
    13
    WSW
    13
    SW
    12
    SW
    11
    SW
    10
    SW
    10
    SSW
    11
    SSW
    11
    SSW
    12
    SSW
    13
    SSW
    13
    SSW
    14
    SSW
    13
    SSW
    14
    SSW
    14
    SSW
    14
    S
    13
    S
    12
    SSE
    11
    SSE
    10
    SE
    10
    SSE
    9
    Wind gust (mph)
    16
    16
    15
    14
    14
    13
    14
    15
    17
    17
    18
    19
    20
    20
    20
    19
    18
    18
    17
    15
    12
    12
    12
    12
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    P
    P
    M
    M
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    91%
    92%
    92%
    92%
    93%
    94%
    94%
    92%
    89%
    86%
    82%
    79%
    74%
    71%
    69%
    65%
    64%
    63%
    63%
    66%
    73%
    79%
    83%
    85%
    UV - - - - - 1 1 1 1 2 3 5 5 6 5 4 3 2 1 1 1 1 - -
    Friday (22 May 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 intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    20%
    Temperature (°C)
    10°
    11°
    14°
    17°
    18°
    16°
    11°
    Feels like temperature (°C)
    10°
    12°
    14°
    14°
    12°
    Wind direction and speed (mph)
    SE
    8
    SSE
    8
    SE
    6
    SSE
    4
    S
    13
    SSW
    16
    SSW
    20
    SW
    17
    SW
    10
    Wind gust (mph)
    12
    8
    6
    17
    22
    23
    21
    19
    13
    Visibility (description)
    G
    M
    P
    P
    P
    VG
    VG
    VG
    M
    Humidity
    88%
    91%
    95%
    91%
    77%
    67%
    63%
    70%
    87%
    UV - - - 1 4 6 3 1 -
    Saturday (23 May 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Partly cloudy night
    Chance of precipitation
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    10°
    10°
    13°
    16°
    17°
    15°
    Feels like temperature (°C)
    11°
    13°
    13°
    11°
    Wind direction and speed (mph)
    SW
    13
    WSW
    9
    WSW
    10
    SW
    14
    SW
    16
    SW
    20
    WSW
    17
    SW
    10
    Wind gust (mph)
    14
    14
    18
    21
    23
    22
    18
    11
    Visibility (description)
    P
    VP
    P
    P
    VG
    VG
    VG
    M
    Humidity
    92%
    94%
    89%
    77%
    64%
    58%
    66%
    88%
    UV - - 1 4 6 3 1 -

    UK video forecast

    Sugar Loaf weather map

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    Wales weather forecast

    Headline:

    Staying changeable during the next few days.

    Today:

    A bright start but cloud will quickly bubble up allowing a few showers to develop by lunchtime. Showers then becoming increasingly frequent and heavier later in the day. Feeling a little less cool but temperatures still below average. Maximum temperature 15 °C.

    Tonight:

    Scattered showers continuing overnight with some clearer spells in between. Showers perhaps becoming more organised and heavier later during the early hours. Turning chilly in the countryside but mainly frost-free. Minimum temperature 6 °C.

    Sunday:

    A day of sunny spells and scattered showers, with some heavier showers possible. Cloud building later with some wet and windy weather arriving by evening. Maximum temperature 16 °C.

    Outlook for Monday to Wednesday:

    Rain clearing on Tuesday to a mix of sunshine and blustery showers. Further showers possible on Wednesday, then turning drier, brighter and warmer on Thursday.

    Updated:

    UK long range weather forecast

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