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  • Wind Animation
    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 / 05:05 2026/03/19, America/New_York (UTC-4)

    overcast -3 °C
    Wind speed 0 km/h
     
    Humidity 63 %
    Air pressure 1029 hPa
    Visibility 16 km
    Clouds 80 %
    Cloud base 3352 m

    Calculated from nearby stations (04:51 2026/03/19)

    Open Radar Map

    Weather for the next 24 hours

    06:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:00 tomorrow01:00 tomorrow02:00 tomorrow03:00 tomorrow04:00 tomorrow05:00 tomorrow06:00 tomorrow
    mostly cloudy
    -6 °C
    0 mm
    0 %
    SE
    8 km/h
    clear sky with few clouds
    -6 °C
    0 mm
    0 %
    S
    7 km/h
    clear sky
    -4 °C
    0 mm
    0 %
    S
    3 km/h
    clear sky
    -3 °C
    0 mm
    0 %
    SE
    6 km/h
    clear sky
    -1 °C
    0 mm
    0 %
    S
    5 km/h
    clear sky with few clouds
    1 °C
    0 mm
    0 %
    S
    7 km/h
    overcast
    2 °C
    0 mm
    0 %
    S
    7 km/h
    overcast
    3 °C
    0 mm
    0 %
    S
    9 km/h
    mostly cloudy
    4 °C
    0 mm
    0 %
    S
    9 km/h
    overcast
    5 °C
    0 mm
    0 %
    S
    11 km/h
    overcast
    5 °C
    0 mm
    0 %
    SW
    12 km/h
    overcast
    5 °C
    0 mm
    0 %
    SW
    12 km/h
    overcast
    4 °C
    0 mm
    0 %
    S
    11 km/h
    overcast
    3 °C
    0 mm
    0 %
    S
    9 km/h
    overcast
    3 °C
    0 mm
    0 %
    S
    11 km/h
    overcast
    2 °C
    0 mm
    0 %
    S
    11 km/h
    overcast
    1 °C
    0 mm
    0 %
    S
    11 km/h
    mostly cloudy
    1 °C
    0 mm
    0 %
    S
    9 km/h
    clear sky
    0 °C
    0 mm
    0 %
    S
    9 km/h
    overcast
    1 °C
    0 mm
    0 %
    SW
    11 km/h
    overcast
    0 °C
    0 mm
    0 %
    SW
    13 km/h
    clear sky
    0 °C
    0 mm
    0 %
    SW
    10 km/h
    clear sky
    0 °C
    0 mm
    0 %
    SW
    10 km/h
    clear sky
    0 °C
    0 mm
    0 %
    SW
    9 km/h
    clear sky
    0 °C
    0 mm
    0 %
    SW
    6 km/h

    Forecast

    02:0005:0008:0011:0014:0017:0020:0023:00
    overcast
    0 °C
    0 mm
    0 %
    SW
    13 km/h
    clear sky
    0 °C
    0 mm
    0 %
    SW
    9 km/h
    partly cloudy
    1 °C
    0 mm
    0 %
    SW
    6 km/h
    overcast
    6 °C
    0 mm
    0 %
    S
    9 km/h
    overcast
    10 °C
    0 mm
    0 %
    S
    21 km/h
    overcast
    11 °C
    0 mm
    10 %
    S
    29 km/h
    Gust:
    65 km/h
    overcast
    7 °C
    0 mm
    50 %
    S
    27 km/h
    Gust:
    68 km/h
    overcast with light rain
    7 °C
    0.1 mm
    90 %
    S
    26 km/h
    Gust:
    65 km/h

    Meteogram

    -50221-205-5-5-7-10-6-1511101112510138450510
    15
    10
    5
    0
    -5
    -10
    -15
    Thu
    19
    partly cloudy
    Fri
    20
    overcast
    Sat
    21
    mostly cloudy
    Sun
    22
    overcast with light rain
    Mon
    23
    mixed with rain showers
    Tue
    24
    clear sky
    Wed
    25
    overcast
    Thu
    26
    overcast with rain
    Fri
    27
    mostly cloudy
    Sat
    28
    clear sky
    Sun
    29
    overcast with snow
    Mon
    30
    clear sky with few clouds
    Tue
    31
    partly cloudy
    Wed
    01
    overcast with rain

    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