Port William (Dumfries and Galloway) weather

Forecast days

Sunny intervals changing to partly cloudy by early evening.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

    7 day forecast for Port William

    Today (20 September 2026)
    Time
    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 intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Cloudy
    Chance of precipitation
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    15°
    16°
    16°
    16°
    16°
    15°
    13°
    12°
    11°
    11°
    12°
    Feels like temperature (°C)
    12°
    13°
    13°
    13°
    14°
    13°
    12°
    11°
    11°
    11°
    11°
    Wind direction and speed
    WNW
    17
    WNW
    16
    WNW
    15
    WNW
    13
    WNW
    10
    NW
    9
    NW
    7
    NW
    4
    N
    3
    ENE
    3
    E
    5
    Wind gust (mph)
    26
    24
    22
    19
    17
    13
    10
    10
    10
    13
    13
    Visibility
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    72%
    66%
    65%
    65%
    65%
    66%
    66%
    66%
    65%
    65%
    67%
    UV 4 3 2 1 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 Cloudy Overcast Overcast Light rain Light rain Light rain Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Mist Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    10%
    20%
    40%
    60%
    60%
    50%
    50%
    40%
    40%
    20%
    10%
    10%
    <5%
    10%
    20%
    20%
    20%
    20%
    10%
    10%
    Temperature (°C)
    12°
    13°
    13°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    Feels like temperature (°C)
    11°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    13°
    13°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    Wind direction and speed (mph)
    ESE
    6
    S
    9
    SSW
    11
    SSW
    13
    SSW
    15
    SSW
    16
    SSW
    16
    SSW
    17
    SSW
    18
    SSW
    18
    SW
    17
    SW
    16
    SW
    15
    SW
    14
    SW
    13
    SSW
    13
    SSW
    13
    SSW
    14
    SSW
    14
    SSW
    14
    SSW
    14
    SSW
    14
    SSW
    13
    SSW
    11
    Wind gust (mph)
    16
    16
    17
    17
    19
    20
    22
    22
    22
    22
    22
    21
    20
    19
    19
    19
    18
    18
    18
    17
    17
    16
    16
    15
    Visibility (description)
    VG
    VG
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    M
    G
    G
    M
    M
    G
    M
    M
    M
    M
    M
    M
    Humidity
    69%
    71%
    73%
    75%
    78%
    82%
    84%
    85%
    85%
    86%
    90%
    92%
    92%
    92%
    92%
    93%
    93%
    93%
    93%
    93%
    93%
    94%
    95%
    95%
    UV - - - - - - - 1 1 1 1 2 2 2 2 1 1 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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Overcast Overcast Overcast Light rain Light rain
    Chance of precipitation
    10%
    20%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    30%
    20%
    20%
    30%
    30%
    40%
    40%
    50%
    60%
    Temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    15°
    15°
    Feels like temperature (°C)
    14°
    14°
    14°
    14°
    15°
    14°
    14°
    14°
    14°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    14°
    14°
    14°
    14°
    14°
    Wind direction and speed (mph)
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    10
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    11
    SSW
    13
    SSW
    11
    SSW
    11
    SW
    11
    SW
    11
    Wind gust (mph)
    15
    16
    16
    16
    16
    17
    17
    16
    16
    16
    17
    18
    18
    18
    18
    18
    18
    18
    18
    17
    18
    17
    18
    18
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    G
    G
    M
    Humidity
    95%
    95%
    95%
    95%
    95%
    95%
    95%
    94%
    93%
    93%
    93%
    93%
    93%
    93%
    93%
    93%
    93%
    93%
    92%
    92%
    92%
    92%
    92%
    92%
    UV - - - - - - - 1 1 1 1 2 2 3 2 2 1 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 Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light shower day Sunny intervals Sunny intervals Sunny intervals 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
    60%
    60%
    60%
    70%
    70%
    70%
    70%
    60%
    60%
    40%
    40%
    40%
    30%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    13°
    12°
    12°
    13°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    14°
    12°
    11°
    12°
    11°
    11°
    Feels like temperature (°C)
    13°
    13°
    13°
    13°
    12°
    11°
    11°
    11°
    10°
    10°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    11°
    11°
    10°
    10°
    Wind direction and speed (mph)
    SW
    11
    SW
    11
    W
    11
    W
    13
    WNW
    13
    NW
    13
    NW
    13
    NW
    14
    NW
    14
    NW
    14
    NW
    14
    NW
    17
    NW
    17
    NW
    18
    NW
    18
    NW
    18
    NW
    18
    NW
    17
    NW
    15
    NW
    13
    NNW
    11
    NNW
    10
    N
    7
    N
    6
    Wind gust (mph)
    18
    19
    19
    20
    20
    20
    21
    23
    24
    23
    25
    26
    27
    27
    27
    26
    25
    22
    20
    18
    14
    12
    11
    10
    Visibility (description)
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    G
    VG
    VG
    VG
    Humidity
    92%
    91%
    91%
    91%
    90%
    90%
    88%
    88%
    85%
    83%
    77%
    76%
    73%
    70%
    69%
    67%
    66%
    65%
    65%
    65%
    67%
    69%
    69%
    68%
    UV - - - - - - - 1 1 1 2 3 3 3 3 2 1 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Cloudy Sunny intervals Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Overcast Overcast Cloudy
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    30%
    30%
    40%
    Temperature (°C)
    10°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    13°
    14°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    Feels like temperature (°C)
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    12°
    12°
    Wind direction and speed (mph)
    NNE
    6
    NE
    5
    ENE
    7
    E
    7
    ESE
    9
    ESE
    9
    ESE
    10
    SE
    13
    SSE
    15
    SSE
    17
    S
    18
    S
    18
    S
    20
    S
    20
    S
    22
    S
    23
    S
    24
    S
    24
    S
    25
    S
    24
    S
    24
    S
    24
    S
    22
    SSW
    23
    Wind gust (mph)
    9
    9
    11
    13
    15
    17
    19
    21
    23
    26
    30
    30
    31
    32
    33
    34
    35
    36
    35
    34
    34
    34
    33
    27
    Visibility (description)
    G
    G
    G
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    G
    G
    M
    M
    M
    M
    Humidity
    70%
    70%
    70%
    71%
    71%
    70%
    69%
    69%
    70%
    71%
    70%
    68%
    69%
    72%
    76%
    77%
    78%
    81%
    83%
    84%
    85%
    85%
    86%
    87%
    UV - - - - - - - 1 1 1 2 2 3 2 2 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 Light rain Light rain Cloudy Cloudy Cloudy Cloudy Sunny intervals Partly cloudy night Cloudy
    Chance of precipitation
    50%
    50%
    40%
    30%
    20%
    20%
    20%
    10%
    20%
    Temperature (°C)
    16°
    16°
    15°
    14°
    15°
    16°
    16°
    14°
    13°
    Feels like temperature (°C)
    12°
    12°
    11°
    11°
    13°
    14°
    14°
    12°
    11°
    Wind direction and speed (mph)
    SSW
    21
    SSW
    19
    SW
    18
    SW
    16
    SW
    14
    WSW
    13
    SW
    11
    SSW
    10
    SSW
    11
    Wind gust (mph)
    29
    29
    25
    23
    21
    19
    16
    14
    15
    Visibility (description)
    M
    M
    M
    M
    G
    G
    G
    G
    G
    Humidity
    87%
    88%
    88%
    87%
    85%
    80%
    80%
    79%
    81%
    UV - - - 1 2 2 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 Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    20%
    20%
    30%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    13°
    13°
    13°
    15°
    16°
    16°
    15°
    14°
    Feels like temperature (°C)
    11°
    11°
    11°
    13°
    13°
    14°
    12°
    12°
    Wind direction and speed (mph)
    S
    11
    SSE
    11
    SSE
    13
    S
    14
    S
    15
    S
    14
    S
    14
    S
    14
    Wind gust (mph)
    15
    16
    20
    22
    21
    20
    19
    22
    Visibility (description)
    G
    G
    M
    M
    G
    M
    M
    M
    Humidity
    84%
    86%
    86%
    85%
    85%
    85%
    86%
    85%
    UV - - 1 1 2 1 1 -

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    Dumfries, Galloway, Lothian & Borders weather forecast

    Headline:

    Windy, scattered showers west becoming dry with wind easing later.

    Today:

    The morning will be windy with scattered showers in the west and the occasional bright spell. The showers will die as bright or sunny spells increase through the morning. The wind will ease down in the afternoon. Maximum temperature 17 °C.

    Tonight:

    The evening will be dry with clear spells but cloud will soon increase with rain, some heavy, following from the northwest towards dawn. Minimum temperature 8 °C.

    Monday:

    Cloudy with rain and drizzle during the morning. The rain will clear during the afternoon with bright spells increasing later. Maximum temperature 19 °C.

    Outlook for Tuesday to Thursday:

    Cloud and rain, some heavy, will move in from the northwest Tuesday afternoon becoming heavy overnight. Becoming drier Wednesday and into Thursday. Further rain northwest later Thursday.

    Updated:

    UK long range weather forecast