Dumbarton (West Dunbartonshire) weather

Forecast days

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

    7 day forecast for Dumbarton

    Today (16 September 2025)
    Time
    21:00
    22:00
    23:00
    Weather symbols Clear night Clear night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    Temperature
    12°
    12°
    12°
    Feels like temperature (°C)
    12°
    12°
    11°
    Wind direction and speed
    WSW
    4
    SW
    3
    SE
    3
    Wind gust (mph)
    9
    6
    5
    Visibility
    VG
    VG
    VG
    Humidity
    86%
    86%
    87%
    UV - - -
    Wednesday (17 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 Cloudy Cloudy Light rain Heavy rain Heavy rain Light rain Light rain Light rain Heavy rain Heavy rain Light rain Light rain Overcast 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
    <5%
    10%
    50%
    80%
    ≥95%
    90%
    60%
    80%
    ≥95%
    ≥95%
    ≥95%
    70%
    50%
    20%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    11°
    12°
    12°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    13°
    15°
    16°
    17°
    17°
    17°
    17°
    16°
    16°
    15°
    15°
    14°
    14°
    Feels like temperature (°C)
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    11°
    12°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    13°
    13°
    13°
    Wind direction and speed (mph)
    SE
    3
    SE
    2
    SE
    3
    SE
    3
    ESE
    5
    ESE
    7
    ESE
    9
    ESE
    10
    ESE
    10
    ESE
    11
    ESE
    10
    ESE
    9
    SSE
    8
    SW
    9
    WSW
    11
    WSW
    11
    SW
    10
    SW
    10
    SSW
    9
    SSW
    9
    SSW
    9
    SSW
    9
    SSW
    9
    SSW
    9
    Wind gust (mph)
    5
    5
    7
    10
    16
    20
    22
    23
    24
    24
    23
    22
    20
    24
    30
    29
    29
    26
    25
    25
    23
    21
    21
    22
    Visibility (description)
    VG
    VG
    VG
    G
    M
    M
    G
    G
    M
    M
    M
    G
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    88%
    88%
    88%
    89%
    92%
    94%
    93%
    92%
    92%
    92%
    93%
    93%
    93%
    84%
    73%
    68%
    67%
    68%
    72%
    73%
    74%
    70%
    71%
    72%
    UV - - - - - - 1 1 1 1 1 2 2 3 3 2 1 1 1 1 - - - -
    Thursday (18 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 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    20%
    30%
    30%
    20%
    20%
    20%
    20%
    30%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    Temperature (°C)
    14°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    15°
    16°
    16°
    16°
    16°
    17°
    16°
    16°
    16°
    15°
    14°
    14°
    14°
    Feels like temperature (°C)
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    13°
    13°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    Wind direction and speed (mph)
    S
    9
    S
    9
    S
    9
    SSW
    10
    SSW
    10
    SSW
    9
    S
    9
    S
    9
    S
    9
    S
    9
    S
    9
    SSW
    10
    SSW
    10
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    8
    SW
    7
    SSW
    6
    SSW
    5
    SSW
    5
    S
    4
    SSE
    4
    Wind gust (mph)
    23
    25
    27
    26
    26
    26
    25
    23
    23
    24
    26
    27
    26
    21
    21
    21
    21
    20
    17
    15
    11
    10
    8
    7
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    Humidity
    73%
    75%
    76%
    76%
    77%
    80%
    82%
    83%
    84%
    83%
    80%
    78%
    76%
    74%
    72%
    71%
    73%
    75%
    79%
    84%
    87%
    89%
    90%
    91%
    UV - - - - - - 1 1 1 1 2 2 3 3 3 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 Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Cloudy 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    Temperature (°C)
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    14°
    13°
    13°
    13°
    12°
    Feels like temperature (°C)
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    12°
    12°
    12°
    Wind direction and speed (mph)
    S
    4
    SSE
    4
    S
    5
    S
    6
    S
    6
    S
    6
    S
    6
    S
    6
    S
    5
    SSW
    6
    SW
    8
    WSW
    9
    WSW
    10
    SW
    10
    WSW
    11
    WSW
    10
    WSW
    10
    WSW
    9
    SW
    8
    SW
    7
    SSW
    5
    SSW
    5
    SSW
    5
    SSW
    4
    Wind gust (mph)
    8
    10
    10
    11
    11
    11
    11
    11
    13
    18
    22
    24
    23
    23
    23
    23
    20
    18
    14
    11
    10
    8
    9
    8
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    92%
    92%
    92%
    92%
    91%
    91%
    91%
    90%
    89%
    86%
    81%
    76%
    73%
    67%
    66%
    65%
    66%
    67%
    72%
    77%
    82%
    83%
    84%
    85%
    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 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 Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Clear night Clear night Clear night
    Chance of precipitation
    20%
    30%
    30%
    30%
    20%
    30%
    30%
    30%
    30%
    30%
    30%
    40%
    40%
    50%
    40%
    40%
    30%
    30%
    20%
    20%
    10%
    10%
    10%
    10%
    Temperature (°C)
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    13°
    13°
    14°
    14°
    14°
    14°
    13°
    13°
    12°
    11°
    10°
    10°
    Feels like temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    10°
    Wind direction and speed (mph)
    SSW
    4
    S
    4
    SSE
    4
    SSE
    4
    SW
    4
    SSW
    4
    SSW
    4
    NNE
    4
    NE
    5
    SSE
    5
    NW
    6
    NW
    7
    NNW
    8
    NNW
    9
    NNW
    9
    N
    9
    N
    9
    N
    9
    N
    9
    N
    9
    N
    8
    N
    7
    NNW
    7
    NNW
    7
    Wind gust (mph)
    8
    8
    8
    8
    7
    7
    7
    8
    10
    12
    13
    15
    18
    20
    21
    21
    19
    21
    21
    19
    18
    17
    16
    16
    Visibility (description)
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    86%
    88%
    89%
    90%
    90%
    90%
    91%
    90%
    88%
    84%
    78%
    73%
    68%
    66%
    64%
    63%
    61%
    61%
    62%
    66%
    70%
    72%
    74%
    75%
    UV - - - - - - - 1 1 1 2 2 3 3 2 2 1 1 1 1 - - - -
    Sunday (21 September 2025)
    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 Cloudy Cloudy Cloudy
    Chance of precipitation
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    13°
    13°
    11°
    Feels like temperature (°C)
    10°
    11°
    Wind direction and speed (mph)
    NNW
    6
    NNW
    6
    NNW
    5
    NNW
    6
    NNW
    8
    N
    10
    N
    9
    N
    7
    NW
    5
    Wind gust (mph)
    14
    14
    11
    16
    21
    21
    18
    10
    6
    Visibility (description)
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    76%
    77%
    77%
    78%
    63%
    50%
    49%
    60%
    71%
    UV - - - 1 2 3 1 1 -
    Monday (22 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Partly cloudy night Sunny intervals Cloudy Overcast Cloudy Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    13°
    14°
    11°
    Feels like temperature (°C)
    12°
    12°
    10°
    Wind direction and speed (mph)
    NW
    4
    NW
    4
    NW
    4
    WNW
    5
    WNW
    7
    WNW
    7
    W
    6
    WSW
    4
    Wind gust (mph)
    4
    4
    4
    11
    12
    11
    7
    4
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    77%
    81%
    84%
    65%
    57%
    56%
    71%
    82%
    UV - - 1 2 3 1 1 -

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    Strathclyde weather forecast

    Headline:

    Cloudy with rain on Wednesday morning. Drier, brighter afternoon.

    This Evening and Tonight:

    Any early showers will soon die as clear spells increase for a time. Cloud will spread northeast from late evening with outbreaks of rain following towards midnight. Minimum temperature 8 °C.

    Wednesday:

    Cloudy morning with outbreaks of mostly light rain. Drier in the afternoon and becoming brighter and milder too. A breezy day. Maximum temperature 18 °C.

    Outlook for Thursday to Saturday:

    Cloudy with outbreaks of rain clearing to showers later on Thursday. Showers continue Friday, frequent in the north but clear to leave Saturday dry with bright spells.

    Updated:

    UK long range weather forecast

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