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    ECMWF, GFS, ICON, GEM
    New: Official Warnings from National Meteorological Institutes Warning

    Acton

    World / United States / Massachusetts

    42°29'N / 71°25'W / Altitude 74 m / 10:00 2026/05/03, America/New_York (UTC-4)

    fog 7 °C
    Wind speed 26 km/h
     
    Humidity 70 %
    Visibility 16 km
    Clouds 100 %
    Cloud base 670 m

    Calculated from nearby stations (08:51 2026/05/03)

    Open Radar Map

    Weather for the next 24 hours

    11:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:00 tomorrow01:00 tomorrow02:00 tomorrow03:00 tomorrow04:00 tomorrow05:00 tomorrow06:00 tomorrow07:00 tomorrow08:00 tomorrow09:00 tomorrow10:00 tomorrow11:00 tomorrow
    overcast with light rain
    8 °C
    0.2 mm
    50 %
    NW
    16 km/h
    overcast
    10 °C
    0 mm
    10 %
    NW
    21 km/h
    overcast
    11 °C
    0 mm
    10 %
    NW
    23 km/h
    overcast
    11 °C
    0 mm
    0 %
    NW
    20 km/h
    overcast
    12 °C
    0 mm
    0 %
    NW
    21 km/h
    overcast
    12 °C
    0 mm
    0 %
    NW
    22 km/h
    overcast
    12 °C
    0 mm
    0 %
    W
    25 km/h
    Gust:
    43 km/h
    overcast
    10 °C
    0 mm
    0 %
    W
    23 km/h
    mostly cloudy
    10 °C
    0 mm
    0 %
    W
    18 km/h
    clear sky
    8 °C
    0 mm
    0 %
    W
    9 km/h
    clear sky
    7 °C
    0 mm
    0 %
    W
    7 km/h
    clear sky
    6 °C
    0 mm
    0 %
    SW
    8 km/h
    clear sky
    5 °C
    0 mm
    0 %
    SW
    9 km/h
    clear sky
    5 °C
    0 mm
    0 %
    W
    9 km/h
    overcast
    5 °C
    0 mm
    0 %
    SW
    9 km/h
    mostly cloudy
    4 °C
    0 mm
    0 %
    SW
    9 km/h
    overcast
    5 °C
    0 mm
    0 %
    SW
    10 km/h
    overcast
    6 °C
    0 mm
    0 %
    SW
    8 km/h
    overcast
    6 °C
    0 mm
    0 %
    SW
    10 km/h
    clear sky with few clouds
    5 °C
    0 mm
    0 %
    SW
    10 km/h
    clear sky
    8 °C
    0 mm
    0 %
    SW
    17 km/h
    clear sky
    11 °C
    0 mm
    0 %
    SW
    21 km/h
    Gust:
    54 km/h
    clear sky with few clouds
    14 °C
    0 mm
    0 %
    SW
    21 km/h
    Gust:
    50 km/h
    partly cloudy
    15 °C
    0 mm
    0 %
    SW
    25 km/h
    Gust:
    47 km/h
    overcast
    17 °C
    0 mm
    0 %
    SW
    28 km/h
    Gust:
    54 km/h

    Forecast

    02:0005:0008:0011:0014:0017:0020:0023:00
    mostly cloudy
    4 °C
    0 mm
    0 %
    SW
    9 km/h
    overcast
    6 °C
    0 mm
    0 %
    SW
    10 km/h
    clear sky
    11 °C
    0 mm
    0 %
    SW
    21 km/h
    Gust:
    54 km/h
    overcast
    17 °C
    0 mm
    0 %
    SW
    28 km/h
    Gust:
    54 km/h
    clear sky
    19 °C
    0 mm
    10 %
    SW
    29 km/h
    Gust:
    47 km/h
    clear sky
    20 °C
    0 mm
    0 %
    SW
    24 km/h
    Gust:
    43 km/h
    high clouds
    16 °C
    0 mm
    0 %
    S
    17 km/h
    Gust:
    47 km/h
    overcast
    13 °C
    0 mm
    0 %
    S
    18 km/h

    Meteogram

    5411141057698689111220261918161019151821102324
    30
    25
    20
    15
    10
    5
    0
    Sun
    03
    overcast with light rain
    Mon
    04
    clear sky with few clouds
    Tue
    05
    partly cloudy
    Wed
    06
    overcast with rain
    Thu
    07
    mostly cloudy
    Fri
    08
    partly cloudy
    Sat
    09
    overcast with rain
    Sun
    10
    partly cloudy
    Mon
    11
    overcast
    Tue
    12
    clear sky with few clouds
    Wed
    13
    partly cloudy
    Thu
    14
    overcast with rain
    Fri
    15
    partly cloudy
    Sat
    16
    partly cloudy

    Air quality (AQI)


    Air quality index (marked as AQI) is developed by Environmental Protection Agency. Values over 300 represents hazardous air quality, between 200-300 very unhealthy, 150-200 unhealthy, 100-150 unhealthy for sensitive groups and below 100 or rather below 50 the air quality is good.

    Sun and Moon

    Heading: Time:
    Phase: Altitude:


    Heading: Time:
    Illumination: Altitude:


    Date rise set rise Illumination


    Phase Time Length