Sugar Loaf (Monmouthshire) weather

Forecast days

Light rain changing to sunny intervals in the afternoon.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

    7 day forecast for Sugar Loaf

    Today (18 September 2025)
    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 Light rain Light rain Light rain Fog Overcast Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Mist
    Chance of precipitation
    70%
    50%
    60%
    50%
    20%
    10%
    10%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    14°
    Feels like temperature (°C)
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    Wind direction and speed
    WSW
    22
    WSW
    22
    WSW
    22
    WSW
    23
    WSW
    24
    WSW
    23
    WSW
    23
    WSW
    22
    WSW
    21
    WSW
    19
    SW
    16
    SW
    16
    SW
    16
    SW
    16
    Wind gust (mph)
    32
    34
    35
    36
    36
    34
    32
    30
    27
    25
    24
    24
    25
    25
    Visibility
    VP
    VP
    VP
    VP
    VP
    VG
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    Humidity
    98%
    98%
    96%
    93%
    91%
    85%
    83%
    83%
    85%
    85%
    86%
    87%
    90%
    89%
    UV 1 2 3 2 2 2 1 1 1 1 - - - -
    Friday (19 September 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 Mist Mist Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Mist Mist Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Mist Mist Fog
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    20%
    20%
    10%
    10%
    20%
    20%
    20%
    Temperature (°C)
    14°
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    13°
    13°
    14°
    15°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    14°
    14°
    13°
    13°
    Feels like temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    11°
    11°
    12°
    13°
    13°
    13°
    14°
    14°
    13°
    13°
    13°
    12°
    12°
    12°
    Wind direction and speed (mph)
    SW
    14
    SW
    13
    SW
    12
    SW
    11
    SW
    11
    SW
    11
    SSW
    11
    SSW
    10
    SSW
    11
    SSW
    12
    SSW
    13
    SW
    15
    SSW
    15
    SSW
    15
    SW
    15
    SW
    14
    SW
    14
    SW
    13
    SW
    11
    SW
    10
    WSW
    8
    WSW
    8
    SW
    7
    SW
    7
    Wind gust (mph)
    25
    25
    23
    23
    23
    21
    20
    20
    21
    22
    22
    22
    23
    23
    22
    20
    20
    17
    15
    12
    12
    11
    11
    11
    Visibility (description)
    P
    P
    P
    VG
    VG
    VG
    VG
    VG
    P
    P
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    P
    P
    Humidity
    89%
    90%
    90%
    90%
    91%
    91%
    91%
    92%
    90%
    86%
    86%
    83%
    78%
    77%
    77%
    78%
    79%
    80%
    84%
    89%
    92%
    93%
    95%
    95%
    UV - - - - - - 1 1 1 1 2 2 3 3 3 2 1 1 1 1 - - - -
    Saturday (20 September 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 Fog Fog Fog Fog Fog Fog Fog Fog Drizzle Light rain Fog Mist Light shower day Light rain Light shower day Light shower day Sunny intervals Cloudy Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    20%
    20%
    20%
    20%
    30%
    40%
    50%
    50%
    50%
    50%
    40%
    40%
    60%
    70%
    60%
    50%
    40%
    40%
    60%
    60%
    60%
    50%
    60%
    60%
    Temperature (°C)
    13°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    11°
    10°
    Feels like temperature (°C)
    12°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Wind direction and speed (mph)
    SSW
    6
    SSW
    6
    SSW
    6
    SSW
    6
    S
    6
    SSE
    7
    SSE
    7
    SSE
    8
    SSE
    9
    S
    11
    S
    13
    SSE
    15
    S
    17
    S
    18
    S
    21
    SSW
    21
    SW
    22
    SW
    21
    SW
    21
    SW
    20
    SW
    19
    WSW
    20
    WSW
    21
    WSW
    20
    Wind gust (mph)
    12
    13
    13
    14
    14
    14
    16
    18
    19
    19
    21
    23
    24
    26
    27
    30
    34
    32
    28
    24
    23
    23
    25
    25
    Visibility (description)
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    P
    VG
    VG
    VG
    VG
    E
    E
    VG
    VG
    VG
    VG
    VG
    Humidity
    96%
    97%
    97%
    97%
    97%
    98%
    98%
    98%
    98%
    97%
    94%
    92%
    87%
    85%
    85%
    84%
    81%
    79%
    81%
    86%
    88%
    91%
    90%
    90%
    UV - - - - - - 1 1 1 1 1 2 2 2 3 2 1 1 1 1 - - - -
    Sunday (21 September 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 Light shower night Light shower night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Cloudy Cloudy Overcast Overcast Overcast Overcast Cloudy Cloudy Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Cloudy Partly cloudy night Cloudy
    Chance of precipitation
    60%
    50%
    50%
    50%
    50%
    30%
    30%
    30%
    30%
    30%
    30%
    40%
    40%
    50%
    50%
    50%
    50%
    50%
    40%
    40%
    40%
    40%
    40%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    20
    W
    18
    W
    18
    W
    17
    W
    16
    W
    16
    WNW
    15
    WNW
    15
    WNW
    15
    NW
    17
    NW
    17
    NW
    18
    NW
    18
    NW
    19
    NW
    19
    NNW
    18
    NNW
    18
    NNW
    17
    NNW
    16
    NNW
    14
    NNW
    14
    NNW
    15
    N
    16
    N
    16
    Wind gust (mph)
    23
    23
    22
    22
    22
    21
    20
    20
    23
    24
    26
    26
    26
    28
    27
    26
    25
    24
    21
    19
    19
    20
    20
    20
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    91%
    90%
    89%
    89%
    89%
    89%
    88%
    88%
    87%
    84%
    77%
    71%
    68%
    67%
    72%
    68%
    70%
    73%
    74%
    78%
    82%
    83%
    85%
    85%
    UV - - - - - - 1 1 1 1 2 3 3 3 2 2 1 1 1 1 - - - -
    Monday (22 September 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    30%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    10°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    N
    15
    N
    15
    N
    15
    N
    16
    N
    16
    N
    16
    N
    16
    N
    16
    N
    16
    N
    15
    NNE
    17
    NNE
    18
    NNE
    18
    NNE
    17
    NNE
    17
    NNE
    18
    NNE
    18
    NNE
    17
    NNE
    15
    N
    13
    N
    13
    N
    13
    N
    12
    N
    11
    Wind gust (mph)
    19
    19
    19
    20
    21
    21
    21
    20
    22
    24
    24
    25
    26
    26
    25
    25
    25
    22
    17
    16
    15
    15
    15
    14
    Visibility (description)
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    84%
    85%
    85%
    85%
    84%
    85%
    84%
    84%
    83%
    76%
    72%
    65%
    56%
    53%
    49%
    47%
    50%
    52%
    57%
    66%
    69%
    72%
    75%
    77%
    UV - - - - - - 1 1 1 1 2 3 4 4 4 2 2 1 1 1 - - - -
    Tuesday (23 September 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Cloudy Overcast Cloudy Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    11°
    Feels like temperature (°C)
    -1°
    -2°
    Wind direction and speed (mph)
    N
    10
    N
    9
    NNW
    8
    NW
    7
    NNW
    11
    N
    15
    N
    18
    N
    13
    NNW
    10
    Wind gust (mph)
    14
    9
    9
    12
    20
    20
    19
    15
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    78%
    82%
    85%
    88%
    70%
    58%
    58%
    75%
    85%
    UV - - - 1 2 3 1 1 -
    Wednesday (24 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Cloudy Sunny intervals Cloudy Overcast Cloudy Cloudy Cloudy
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    10%
    10%
    <5%
    <5%
    Temperature (°C)
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    NNW
    9
    NNW
    8
    NNW
    8
    N
    11
    NNE
    14
    N
    16
    N
    13
    N
    9
    Wind gust (mph)
    10
    8
    10
    16
    17
    18
    14
    10
    Visibility (description)
    G
    G
    G
    VG
    VG
    G
    VG
    G
    Humidity
    88%
    91%
    93%
    77%
    62%
    59%
    81%
    89%
    UV - - 1 2 3 1 1 -

    UK video forecast

    Sugar Loaf weather map

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    WARNING
    Flood alerts icon
    Flood alerts in force for Wales
    Flood alerts in force for Wales

    Wales weather forecast

    Headline:

    Often cloudy with patchy rain at times.

    Today:

    A cloudy, damp and mild start to Thursday. Cloud breaking in the east with some brighter spells, but drizzle persisting over the hills in the west. Staying windy and humid. Maximum temperature 20 °C.

    Tonight:

    Remaining cloudy in the west overnight with drizzle persisting over hills. Drier in the east with a few clear spells. Windy in the northwest, but winds easing elsewhere by dawn. Minimum temperature 12 °C.

    Friday:

    Cloudy in the west with rain and drizzle, turning heavy at times over hills and mountains. Some brighter and drier intervals in the east. Winds continue to ease. Feeling humid. Maximum temperature 20 °C.

    Outlook for Saturday to Monday:

    Remaining changeable with showers or longer spells of rain on Saturday. Turning colder through Sunday as showery rain clears southeast, leaving sunny spells and showers on Monday.

    Updated:

    UK long range weather forecast

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