Johnstone (Renfrewshire) weather

Forecast days

Heavy showers changing to partly cloudy by nighttime.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

    7 day forecast for Johnstone

    Today (17 September 2026)
    Time
    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 Sunny intervals Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Light shower day Light shower day Light shower night Light shower night Light shower night Partly cloudy night Partly cloudy night
    Chance of precipitation
    50%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    80%
    40%
    30%
    Temperature
    12°
    12°
    12°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    12°
    12°
    12°
    12°
    12°
    Feels like temperature (°C)
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    12°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    Wind direction and speed
    SW
    10
    SW
    11
    SW
    13
    SW
    13
    SW
    14
    WSW
    14
    WSW
    14
    WSW
    14
    WSW
    13
    WSW
    13
    WSW
    13
    WSW
    13
    WSW
    13
    WSW
    12
    WSW
    11
    WSW
    11
    WSW
    11
    Wind gust (mph)
    26
    30
    32
    34
    35
    35
    35
    36
    37
    37
    37
    36
    35
    34
    33
    32
    30
    Visibility
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    86%
    86%
    86%
    85%
    82%
    81%
    80%
    79%
    79%
    78%
    77%
    78%
    80%
    79%
    79%
    77%
    75%
    UV 1 1 1 1 2 2 3 2 2 1 1 1 1 - - - -
    Friday (18 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 Overcast Light shower night Light shower night Light shower night Light shower night Light shower night Light shower day Light shower day Light shower day Light shower day Cloudy Light rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light shower night Light shower night Light shower night Light shower night Partly cloudy night
    Chance of precipitation
    20%
    30%
    70%
    70%
    80%
    70%
    60%
    60%
    50%
    50%
    50%
    50%
    90%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    90%
    90%
    90%
    80%
    60%
    50%
    40%
    Temperature (°C)
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    13°
    14°
    14°
    14°
    14°
    13°
    13°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    12°
    11°
    11°
    11°
    10°
    10°
    11°
    12°
    13°
    13°
    13°
    14°
    13°
    13°
    Wind direction and speed (mph)
    WSW
    11
    WSW
    11
    SW
    11
    WSW
    11
    WSW
    11
    WSW
    11
    WSW
    11
    WSW
    11
    WSW
    11
    SW
    11
    SW
    11
    SW
    13
    SW
    14
    SSW
    14
    SSW
    14
    SSW
    15
    SSW
    16
    SSW
    14
    SSW
    13
    SW
    13
    SW
    11
    SW
    9
    SW
    9
    SW
    9
    Wind gust (mph)
    29
    28
    27
    28
    28
    27
    26
    25
    25
    27
    29
    31
    32
    32
    34
    34
    34
    34
    34
    33
    33
    31
    30
    30
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    G
    G
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    G
    M
    Humidity
    75%
    75%
    76%
    81%
    83%
    83%
    83%
    84%
    83%
    81%
    81%
    78%
    77%
    82%
    88%
    92%
    92%
    93%
    93%
    93%
    92%
    88%
    86%
    85%
    UV - - - - - - 1 1 1 1 2 2 2 2 1 1 1 1 1 1 - - - -
    Saturday (19 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 Light shower night 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 shower day Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    40%
    40%
    40%
    30%
    40%
    50%
    60%
    70%
    70%
    80%
    80%
    90%
    90%
    80%
    80%
    80%
    80%
    90%
    80%
    70%
    60%
    60%
    60%
    60%
    Temperature (°C)
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    13°
    13°
    12°
    12°
    12°
    Feels like temperature (°C)
    13°
    13°
    13°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    10°
    10°
    10°
    Wind direction and speed (mph)
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    11
    SW
    11
    SW
    11
    SW
    13
    SW
    11
    SW
    11
    SW
    13
    SW
    14
    WSW
    15
    WSW
    16
    WSW
    17
    WSW
    17
    WSW
    16
    WSW
    13
    WSW
    13
    WSW
    11
    SW
    11
    SW
    10
    SW
    11
    SW
    11
    Wind gust (mph)
    30
    30
    30
    31
    31
    32
    32
    32
    34
    35
    36
    37
    38
    39
    38
    38
    37
    36
    34
    31
    30
    30
    30
    30
    Visibility (description)
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    Humidity
    86%
    85%
    84%
    83%
    81%
    80%
    79%
    78%
    81%
    80%
    77%
    75%
    73%
    67%
    64%
    62%
    63%
    66%
    70%
    74%
    75%
    75%
    75%
    75%
    UV - - - - - - 1 1 1 1 2 2 2 3 2 2 1 1 1 1 - - - -
    Sunday (20 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 shower night Light shower night Light shower night Light shower night Light shower night Partly cloudy night Partly cloudy night Sunny intervals Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Overcast Drizzle
    Chance of precipitation
    60%
    50%
    60%
    60%
    50%
    40%
    40%
    40%
    30%
    20%
    10%
    20%
    20%
    20%
    20%
    20%
    30%
    30%
    30%
    30%
    40%
    40%
    40%
    50%
    Temperature (°C)
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    12°
    13°
    14°
    14°
    15°
    15°
    15°
    16°
    15°
    15°
    14°
    13°
    12°
    13°
    13°
    13°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    12°
    Wind direction and speed (mph)
    SW
    10
    SW
    10
    SW
    10
    SW
    10
    WSW
    10
    SW
    10
    SW
    9
    SW
    9
    SW
    9
    WSW
    9
    WSW
    11
    WSW
    13
    WSW
    13
    WSW
    11
    WSW
    11
    WSW
    10
    WSW
    9
    WSW
    8
    SW
    7
    SW
    6
    SSW
    5
    SSW
    5
    SSW
    5
    SSW
    5
    Wind gust (mph)
    30
    29
    29
    28
    27
    26
    25
    23
    25
    27
    28
    29
    29
    28
    27
    25
    23
    21
    17
    13
    12
    12
    12
    12
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    G
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    M
    M
    M
    Humidity
    76%
    76%
    75%
    75%
    75%
    75%
    76%
    77%
    77%
    73%
    66%
    62%
    59%
    59%
    58%
    58%
    61%
    65%
    67%
    74%
    79%
    83%
    87%
    88%
    UV - - - - - - - 1 1 1 2 2 3 3 2 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 Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    60%
    60%
    70%
    80%
    80%
    80%
    90%
    80%
    80%
    70%
    60%
    50%
    40%
    30%
    30%
    20%
    20%
    20%
    20%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    16°
    16°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    16°
    16°
    Feels like temperature (°C)
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    15°
    15°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    Wind direction and speed (mph)
    SSW
    5
    SW
    5
    SW
    5
    SSW
    6
    SSW
    6
    SW
    7
    SSW
    7
    SW
    7
    SW
    7
    SW
    7
    SW
    7
    SW
    8
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    8
    SSW
    7
    SSW
    7
    SSW
    7
    SSW
    7
    SSW
    7
    Wind gust (mph)
    15
    15
    16
    19
    19
    18
    18
    19
    20
    20
    22
    22
    23
    23
    22
    22
    22
    21
    19
    19
    19
    20
    20
    18
    Visibility (description)
    M
    M
    M
    P
    P
    P
    P
    P
    P
    P
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    Humidity
    89%
    91%
    92%
    95%
    96%
    96%
    96%
    96%
    96%
    96%
    95%
    94%
    92%
    91%
    90%
    88%
    88%
    88%
    90%
    91%
    93%
    93%
    94%
    94%
    UV - - - - - - - 1 1 1 1 1 2 2 2 2 1 1 1 1 - - - -
    Tuesday (22 September 2026)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Drizzle Light rain Light rain Light rain Light shower day Cloudy Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    50%
    50%
    60%
    60%
    50%
    30%
    20%
    30%
    Temperature (°C)
    16°
    16°
    15°
    15°
    15°
    16°
    15°
    13°
    12°
    Feels like temperature (°C)
    15°
    15°
    14°
    13°
    14°
    14°
    14°
    12°
    11°
    Wind direction and speed (mph)
    SSW
    8
    SSW
    8
    SSW
    9
    SSW
    9
    SW
    9
    SW
    10
    WSW
    9
    W
    7
    WSW
    5
    Wind gust (mph)
    19
    21
    22
    24
    26
    24
    21
    15
    13
    Visibility (description)
    M
    M
    M
    M
    M
    G
    G
    G
    G
    Humidity
    94%
    94%
    95%
    94%
    92%
    85%
    80%
    79%
    85%
    UV - - - 1 1 2 1 1 -
    Wednesday (23 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
    30%
    20%
    30%
    30%
    20%
    30%
    20%
    20%
    Temperature (°C)
    12°
    11°
    11°
    14°
    14°
    15°
    13°
    11°
    Feels like temperature (°C)
    11°
    10°
    10°
    13°
    13°
    14°
    12°
    10°
    Wind direction and speed (mph)
    WSW
    5
    WSW
    5
    WSW
    5
    WSW
    6
    WSW
    8
    WSW
    7
    SW
    6
    SSW
    5
    Wind gust (mph)
    14
    13
    14
    21
    21
    19
    13
    13
    Visibility (description)
    M
    M
    M
    M
    G
    G
    G
    G
    Humidity
    87%
    88%
    89%
    79%
    69%
    67%
    77%
    85%
    UV - - 1 2 3 1 1 -

    UK video forecast

    Johnstone weather map

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    Strathclyde weather forecast

    Headline:

    Windy with showers today.

    Today:

    Mostly cloudy with scattered showers, perhaps some longer spells of rain across Argyll. Best of the sunshine across the south. Windy with fresh to strong westerly winds. Maximum temperature 15 °C.

    Tonight:

    This evening will see showers, most frequent across Argyll. Then showers becoming fewer and lighter during the early hours. Strong westerly winds easing down overnight. Minimum temperature 9 °C.

    Friday:

    After a dry start rain will spread east from late morning and during the afternoon. Rain turning light and patchy by evening. Fresh southwesterly winds Maximum temperature 16 °C.

    Outlook for Saturday to Monday:

    Bright and windy with a few showers on Monday, strong westerly winds. Dry for most of Sunday, rain likely later. Early rain on Monday then dry.

    Updated:

    UK long range weather forecast