National Botanic Garden of Wales (Carmarthenshire) weather

Forecast days

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

    7 day forecast for National Botanic Garden of Wales

    Today (20 September 2026)
    Time
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    18°
    17°
    16°
    13°
    11°
    10°
    Feels like temperature (°C)
    17°
    17°
    16°
    13°
    11°
    10°
    Wind direction and speed
    NW
    4
    NW
    4
    NNW
    3
    NW
    2
    N
    2
    ESE
    2
    ENE
    2
    NE
    2
    Wind gust (mph)
    13
    11
    9
    8
    8
    7
    6
    6
    Visibility
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    Humidity
    55%
    55%
    64%
    77%
    84%
    85%
    85%
    86%
    UV 2 1 1 1 - - - -
    Monday (21 September 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 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 Partly cloudy night Mist Mist Mist Mist
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    10°
    12°
    14°
    16°
    18°
    18°
    19°
    20°
    20°
    19°
    18°
    16°
    15°
    13°
    13°
    13°
    Feels like temperature (°C)
    10°
    12°
    14°
    17°
    18°
    19°
    20°
    20°
    20°
    20°
    19°
    17°
    15°
    14°
    13°
    13°
    Wind direction and speed (mph)
    NE
    2
    E
    2
    ENE
    2
    ENE
    2
    ENE
    2
    ENE
    2
    ENE
    2
    ENE
    2
    ENE
    2
    ENE
    2
    ENE
    2
    NE
    2
    WSW
    2
    SW
    3
    SW
    3
    WSW
    3
    WSW
    2
    WSW
    2
    WSW
    2
    WSW
    2
    WSW
    2
    SW
    2
    S
    2
    SE
    2
    Wind gust (mph)
    6
    6
    6
    6
    6
    6
    7
    6
    6
    7
    8
    9
    9
    10
    10
    10
    9
    8
    8
    6
    6
    6
    6
    6
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    M
    P
    P
    P
    Humidity
    87%
    87%
    87%
    87%
    88%
    88%
    87%
    88%
    83%
    76%
    74%
    71%
    71%
    72%
    72%
    72%
    73%
    75%
    78%
    88%
    93%
    94%
    96%
    96%
    UV - - - - - - - 1 1 1 2 3 3 4 3 2 2 1 1 1 - - - -
    Tuesday (22 September 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 Mist Mist Fog Fog Fog Fog Mist Mist 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 Mist Mist Mist Mist
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    13°
    14°
    16°
    18°
    20°
    20°
    21°
    21°
    21°
    20°
    19°
    16°
    14°
    13°
    12°
    12°
    Feels like temperature (°C)
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    13°
    15°
    17°
    19°
    20°
    20°
    21°
    21°
    21°
    21°
    20°
    16°
    14°
    13°
    12°
    12°
    Wind direction and speed (mph)
    NE
    2
    E
    2
    ENE
    2
    ENE
    2
    ENE
    2
    ENE
    2
    ENE
    2
    E
    2
    ENE
    2
    ENE
    2
    E
    2
    SE
    2
    S
    2
    SW
    3
    SW
    3
    SW
    3
    SW
    3
    WSW
    3
    WSW
    2
    WSW
    2
    SW
    2
    SSW
    2
    SSE
    2
    SSE
    2
    Wind gust (mph)
    6
    6
    6
    6
    6
    6
    6
    6
    6
    7
    8
    9
    9
    11
    11
    10
    10
    9
    7
    7
    6
    6
    6
    7
    Visibility (description)
    P
    P
    P
    P
    P
    VP
    VP
    P
    P
    M
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    VG
    G
    G
    M
    P
    P
    Humidity
    97%
    98%
    98%
    98%
    98%
    98%
    99%
    99%
    97%
    93%
    86%
    81%
    74%
    70%
    66%
    65%
    65%
    67%
    76%
    87%
    92%
    93%
    95%
    94%
    UV - - - - - - - 1 1 1 2 3 3 3 3 2 2 1 1 1 - - - -
    Wednesday (23 September 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 Mist Mist Mist Mist Fog Fog Fog Mist Cloudy Cloudy Overcast Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    20%
    20%
    40%
    40%
    50%
    50%
    30%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    12°
    12°
    12°
    12°
    13°
    12°
    12°
    12°
    13°
    15°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    16°
    15°
    13°
    10°
    10°
    10°
    Feels like temperature (°C)
    12°
    12°
    13°
    12°
    13°
    13°
    12°
    12°
    13°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    14°
    12°
    10°
    10°
    10°
    Wind direction and speed (mph)
    E
    2
    ENE
    2
    SW
    2
    SE
    2
    SE
    2
    S
    2
    SSW
    2
    SSW
    2
    SW
    3
    WSW
    3
    WSW
    3
    W
    6
    NW
    6
    NW
    7
    NW
    8
    NNW
    8
    NNW
    8
    NNW
    7
    NNW
    6
    N
    4
    N
    3
    N
    3
    WNW
    3
    E
    2
    Wind gust (mph)
    7
    8
    7
    8
    9
    9
    9
    9
    11
    13
    13
    20
    22
    24
    24
    25
    22
    20
    17
    15
    13
    11
    10
    9
    Visibility (description)
    P
    P
    P
    P
    P
    VP
    VP
    VP
    P
    M
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    Humidity
    95%
    95%
    96%
    97%
    97%
    97%
    98%
    98%
    96%
    92%
    91%
    85%
    81%
    76%
    73%
    67%
    66%
    66%
    67%
    77%
    83%
    85%
    86%
    87%
    UV - - - - - - - 1 1 1 2 2 4 4 3 2 2 1 1 1 - - - -
    Thursday (24 September 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 Clear night Clear night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy 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%
    10%
    Temperature (°C)
    12°
    14°
    16°
    17°
    18°
    19°
    20°
    20°
    19°
    18°
    16°
    15°
    14°
    14°
    14°
    Feels like temperature (°C)
    11°
    13°
    15°
    16°
    17°
    18°
    18°
    19°
    19°
    18°
    16°
    15°
    14°
    14°
    13°
    Wind direction and speed (mph)
    E
    2
    E
    2
    ENE
    2
    ENE
    2
    ENE
    2
    E
    2
    ENE
    2
    ENE
    2
    ENE
    3
    ENE
    3
    SE
    6
    SSE
    7
    SSE
    8
    S
    8
    S
    8
    S
    8
    S
    7
    S
    6
    S
    5
    S
    5
    S
    5
    S
    6
    S
    6
    SSE
    6
    Wind gust (mph)
    9
    9
    9
    9
    9
    9
    9
    9
    13
    13
    21
    23
    23
    23
    22
    21
    21
    18
    17
    18
    19
    19
    19
    18
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    Humidity
    89%
    90%
    92%
    92%
    92%
    92%
    92%
    89%
    85%
    78%
    74%
    70%
    69%
    68%
    67%
    65%
    66%
    69%
    76%
    83%
    85%
    87%
    87%
    90%
    UV - - - - - - - 1 1 1 2 3 4 4 3 2 1 1 1 1 - - - -
    Friday (25 September 2026)
    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 Mist Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Mist
    Chance of precipitation
    20%
    20%
    10%
    20%
    20%
    20%
    10%
    10%
    10%
    Temperature (°C)
    14°
    14°
    13°
    13°
    16°
    19°
    19°
    15°
    13°
    Feels like temperature (°C)
    13°
    13°
    13°
    13°
    16°
    18°
    18°
    15°
    13°
    Wind direction and speed (mph)
    SSE
    5
    SSE
    5
    SSE
    5
    SE
    4
    SSE
    6
    SSW
    7
    SSW
    7
    S
    5
    SSE
    4
    Wind gust (mph)
    18
    16
    13
    14
    17
    18
    16
    10
    9
    Visibility (description)
    G
    M
    M
    P
    G
    G
    VG
    G
    G
    Humidity
    91%
    92%
    93%
    94%
    86%
    75%
    69%
    87%
    92%
    UV - - - 1 2 3 1 1 -
    Saturday (26 September 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Mist Mist Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    Temperature (°C)
    12°
    12°
    11°
    16°
    19°
    19°
    16°
    15°
    Feels like temperature (°C)
    11°
    11°
    10°
    15°
    18°
    18°
    15°
    14°
    Wind direction and speed (mph)
    ESE
    4
    ESE
    3
    E
    3
    ESE
    6
    S
    7
    SSW
    7
    SSW
    6
    SSW
    6
    Wind gust (mph)
    9
    9
    12
    19
    20
    18
    13
    14
    Visibility (description)
    P
    P
    P
    G
    G
    G
    G
    G
    Humidity
    93%
    95%
    96%
    87%
    77%
    75%
    85%
    89%
    UV - - 1 2 3 1 1 -

    UK video forecast

    National Botanic Garden of Wales weather map

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    Wales weather forecast

    Headline:

    Mainly dry on Monday, western areas cloudiest, sunnier further east.

    This Evening and Tonight:

    Plenty of late sunshine, then a dry evening and overnight period with often clear skies. Possibly turning cloudier in the west by dawn. A much cooler night and becoming rather chilly in the countryside by the morning. Minimum temperature 5 °C.

    Monday:

    Eastern areas of Wales will be sunniest on Monday with western areas often much cloudier. Here the cloud could give the odd drizzly outbreak, mainly in the northwest. Feeling warm. Maximum temperature 21 °C.

    Outlook for Tuesday to Thursday:

    Similar on Tuesday with a mixture of cloud and some sunshine. Turning breezier and cooler on Wednesday with showers, perhaps heavy, especially further north. Dry with sunny spells on Thursday.

    Updated:

    UK long range weather forecast