Islip - Macarthur (United States of America) weather

Forecast days

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

    7 day forecast for Islip - Macarthur

    Today (21 January 2026)
    Time
    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 Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny intervals Partly cloudy night Partly cloudy night 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%
    Temperature
    -9°
    -10°
    -10°
    -10°
    -8°
    -6°
    -4°
    -2°
    -1°
    Feels like temperature (°C)
    -12°
    -13°
    -13°
    -13°
    -11°
    -9°
    -8°
    -6°
    -5°
    -4°
    -4°
    -3°
    -2°
    -2°
    -1°
    -1°
    Wind direction and speed
    WNW
    3
    W
    3
    WSW
    3
    WSW
    3
    WSW
    3
    SW
    3
    SSW
    5
    SSW
    7
    SSW
    8
    SSW
    10
    S
    13
    S
    14
    S
    15
    S
    15
    SSW
    14
    SSW
    13
    SSW
    13
    SSW
    12
    SSW
    12
    Wind gust (mph)
    8
    8
    8
    8
    9
    11
    16
    19
    22
    26
    29
    29
    29
    29
    28
    27
    26
    25
    24
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    42%
    41%
    42%
    43%
    42%
    40%
    39%
    38%
    36%
    37%
    41%
    51%
    58%
    64%
    66%
    68%
    72%
    71%
    70%
    UV - - 1 1 1 2 2 2 2 1 1 1 - - - - - - -
    Thursday (22 January 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 Cloudy Cloudy Partly cloudy night Partly cloudy night Cloudy Partly cloudy night Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Cloudy Partly cloudy night Partly cloudy night Partly cloudy night Clear night Clear 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%
    <5%
    Temperature (°C)
    Feels like temperature (°C)
    -1°
    -1°
    -1°
    -1°
    -1°
    -2°
    Wind direction and speed (mph)
    SSW
    12
    SSW
    11
    SW
    10
    SW
    10
    SW
    9
    SW
    8
    WSW
    8
    WSW
    7
    WSW
    8
    WSW
    8
    WSW
    8
    WSW
    10
    WSW
    10
    WSW
    11
    WSW
    12
    W
    12
    W
    12
    W
    11
    W
    10
    W
    10
    W
    9
    W
    9
    WNW
    9
    WNW
    9
    Wind gust (mph)
    24
    23
    22
    20
    19
    18
    17
    17
    18
    20
    23
    25
    28
    29
    30
    30
    29
    26
    24
    22
    23
    22
    22
    21
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    65%
    62%
    58%
    56%
    55%
    55%
    55%
    55%
    56%
    55%
    53%
    52%
    51%
    48%
    44%
    44%
    44%
    42%
    41%
    40%
    40%
    40%
    40%
    39%
    UV - - - - - - - 1 1 1 2 2 2 2 1 1 1 - - - - - - -
    Friday (23 January 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 day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny day Clear night Clear night Clear night Clear night Clear night Clear night Clear 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%
    <5%
    Temperature (°C)
    -1°
    -1°
    -2°
    -2°
    -2°
    -2°
    -1°
    -3°
    -5°
    -6°
    Feels like temperature (°C)
    -2°
    -3°
    -4°
    -4°
    -5°
    -5°
    -5°
    -5°
    -5°
    -5°
    -4°
    -4°
    -3°
    -2°
    -1°
    -1°
    -1°
    -1°
    -2°
    -3°
    -6°
    -10°
    -12°
    -14°
    Wind direction and speed (mph)
    NW
    9
    NW
    8
    NW
    7
    NW
    6
    NW
    6
    NW
    4
    W
    4
    SW
    5
    SW
    5
    SW
    6
    SW
    8
    SW
    10
    SW
    12
    WSW
    13
    WSW
    14
    WSW
    15
    W
    14
    W
    13
    WNW
    13
    NW
    14
    NW
    15
    NW
    15
    NNW
    15
    NNW
    15
    Wind gust (mph)
    20
    19
    16
    14
    11
    10
    10
    11
    13
    18
    24
    29
    32
    34
    35
    35
    34
    33
    32
    33
    34
    34
    34
    33
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    38%
    35%
    36%
    35%
    37%
    36%
    36%
    36%
    37%
    38%
    38%
    38%
    37%
    33%
    33%
    29%
    31%
    32%
    29%
    24%
    23%
    23%
    26%
    26%
    UV - - - - - - - 1 1 1 2 2 2 2 1 1 1 - - - - - - -
    Saturday (24 January 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Overcast
    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%
    10%
    20%
    Temperature (°C)
    -7°
    -8°
    -8°
    -9°
    -9°
    -10°
    -10°
    -11°
    -10°
    -10°
    -10°
    -9°
    -8°
    -8°
    -7°
    -7°
    -7°
    -7°
    -7°
    -7°
    -7°
    -7°
    -7°
    -8°
    Feels like temperature (°C)
    -15°
    -16°
    -16°
    -17°
    -18°
    -18°
    -19°
    -19°
    -19°
    -18°
    -18°
    -16°
    -16°
    -15°
    -14°
    -13°
    -13°
    -13°
    -13°
    -13°
    -13°
    -13°
    -13°
    -13°
    Wind direction and speed (mph)
    NNW
    15
    NNW
    15
    NNW
    14
    NNW
    14
    NNW
    14
    NNW
    14
    NNW
    14
    NNW
    14
    NNW
    13
    NNW
    12
    NNW
    12
    NNW
    11
    NNW
    11
    NNW
    11
    NNW
    10
    NNW
    10
    N
    9
    N
    9
    N
    9
    N
    9
    N
    8
    NNE
    8
    NNE
    8
    NNE
    8
    Wind gust (mph)
    32
    31
    30
    30
    30
    29
    29
    28
    28
    27
    27
    26
    25
    25
    23
    22
    21
    20
    19
    18
    18
    17
    17
    17
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    27%
    34%
    34%
    37%
    38%
    38%
    38%
    36%
    32%
    29%
    26%
    23%
    21%
    20%
    20%
    19%
    18%
    18%
    18%
    18%
    19%
    18%
    19%
    20%
    UV - - - - - - - 1 1 1 2 2 2 2 1 1 1 - - - - - - -
    Sunday (25 January 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
    22:00
    Weather symbols Overcast Overcast Overcast Light snow Light snow Heavy snow Heavy snow Heavy snow Heavy snow Heavy snow Heavy snow Heavy snow Heavy snow Light snow Light snow Light snow Light snow Light snow Light snow Light snow Light snow
    Chance of precipitation
    20%
    30%
    40%
    50%
    60%
    70%
    80%
    80%
    90%
    90%
    90%
    90%
    90%
    90%
    90%
    90%
    80%
    80%
    80%
    70%
    60%
    Temperature (°C)
    -8°
    -8°
    -8°
    -8°
    -8°
    -8°
    -8°
    -8°
    -8°
    -7°
    -7°
    -7°
    -6°
    -6°
    -5°
    -5°
    -5°
    -4°
    -4°
    -4°
    -3°
    Feels like temperature (°C)
    -13°
    -14°
    -14°
    -14°
    -14°
    -14°
    -14°
    -14°
    -14°
    -14°
    -14°
    -14°
    -13°
    -13°
    -12°
    -12°
    -11°
    -10°
    -10°
    -10°
    -9°
    Wind direction and speed (mph)
    NNE
    8
    NNE
    8
    NNE
    8
    NE
    8
    NE
    8
    NE
    8
    NE
    9
    NE
    10
    NE
    10
    NE
    10
    NE
    10
    NE
    11
    NE
    12
    NE
    13
    NE
    13
    NE
    14
    NE
    13
    NE
    13
    NE
    13
    NE
    13
    NE
    11
    Wind gust (mph)
    17
    18
    19
    19
    20
    21
    22
    23
    24
    25
    26
    28
    30
    31
    31
    31
    30
    29
    30
    29
    24
    Visibility (description)
    VG
    VG
    VG
    VG
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    VP
    P
    VP
    P
    P
    Humidity
    21%
    23%
    29%
    60%
    105%
    106%
    106%
    106%
    107%
    107%
    107%
    106%
    104%
    104%
    103%
    101%
    100%
    100%
    101%
    99%
    96%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 - - -
    Monday (26 January 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Light snow Overcast Overcast Overcast Overcast Partly cloudy night Partly cloudy night Clear night
    Chance of precipitation
    50%
    40%
    40%
    30%
    30%
    20%
    10%
    10%
    Temperature (°C)
    -3°
    -4°
    -4°
    -5°
    -4°
    -5°
    -7°
    -8°
    Feels like temperature (°C)
    -9°
    -9°
    -9°
    -10°
    -10°
    -10°
    -13°
    -14°
    Wind direction and speed (mph)
    NNE
    10
    NNE
    9
    N
    8
    N
    9
    NNW
    10
    NW
    9
    NW
    10
    NW
    9
    Wind gust (mph)
    22
    20
    20
    22
    22
    25
    24
    21
    Visibility (description)
    P
    M
    M
    M
    G
    VG
    VG
    VG
    Humidity
    95%
    95%
    95%
    91%
    81%
    74%
    67%
    67%
    UV - - 1 2 2 1 - -
    Tuesday (27 January 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Clear night Clear night Clear night
    Chance of precipitation
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    -10°
    -11°
    -12°
    -9°
    -6°
    -7°
    -9°
    -10°
    Feels like temperature (°C)
    -17°
    -18°
    -19°
    -15°
    -12°
    -11°
    -14°
    -15°
    Wind direction and speed (mph)
    NW
    9
    NW
    8
    WNW
    8
    WNW
    8
    WNW
    10
    WNW
    7
    WNW
    7
    WNW
    7
    Wind gust (mph)
    20
    17
    19
    22
    22
    18
    18
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    67%
    66%
    66%
    60%
    58%
    57%
    58%
    60%
    UV - - 1 3 3 1 - -

    UK video forecast

    weather map
    Forecast
    Forecast for 5am (UTC-5) Wednesday
    Updated 06:32 (UTC) on Wed 21 Jan 2026
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