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    United States / Lat.: 42°21'N / Lon.: 71°3'W / Altitude: 21 m
    Timezone: America/New_York (UTC-4) / Current time: 12:07 2025/03/21
    overcast 7.8 °C
    Wind 37 km/h
    Gust 61 km/h
     
    Humidity 60 %
    Air pressure 995 hPa
    Visibility 16 km
    Clouds 80 %
    Cloud base 975 m

    Weather report from station Boston, Distance: 4 km (11:54 2025/03/21)

    Weather for the next 24 hours

    13:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:00 tomorrow01:00 tomorrow02:00 tomorrow03:00 tomorrow04:00 tomorrow05:00 tomorrow06:00 tomorrow07:00 tomorrow08:00 tomorrow09:00 tomorrow10:00 tomorrow11:00 tomorrow12:00 tomorrow13:00 tomorrow
    overcast
    5 °C
    0 mm
    0 %
    NW
    25 km/h
    Gust:
    47 km/h
    overcast
    4 °C
    0 mm
    0 %
    NW
    25 km/h
    Gust:
    54 km/h
    overcast
    3 °C
    0 mm
    0 %
    NW
    23 km/h
    Gust:
    54 km/h
    overcast
    4 °C
    0 mm
    0 %
    NW
    26 km/h
    Gust:
    58 km/h
    clear sky
    5 °C
    0 mm
    0 %
    NW
    27 km/h
    Gust:
    58 km/h
    clear sky
    4 °C
    0 mm
    0 %
    NW
    23 km/h
    Gust:
    54 km/h
    clear sky
    3 °C
    0 mm
    0 %
    W
    18 km/h
    Gust:
    43 km/h
    clear sky
    2 °C
    0 mm
    0 %
    W
    20 km/h
    Gust:
    50 km/h
    clear sky
    1 °C
    0 mm
    0 %
    W
    18 km/h
    clear sky
    1 °C
    0 mm
    0 %
    W
    18 km/h
    clear sky
    1 °C
    0 mm
    0 %
    W
    17 km/h
    clear sky
    1 °C
    0 mm
    0 %
    W
    17 km/h
    clear sky
    1 °C
    0 mm
    0 %
    W
    15 km/h
    clear sky
    1 °C
    0 mm
    0 %
    W
    15 km/h
    clear sky
    0 °C
    0 mm
    0 %
    SW
    9 km/h
    clear sky
    0 °C
    0 mm
    0 %
    SW
    7 km/h
    clear sky
    0 °C
    0 mm
    0 %
    S
    7 km/h
    overcast
    0 °C
    0 mm
    0 %
    SW
    9 km/h
    high clouds
    1 °C
    0 mm
    0 %
    SW
    13 km/h
    high clouds
    2 °C
    0 mm
    0 %
    SW
    10 km/h
    high clouds
    5 °C
    0 mm
    0 %
    SW
    16 km/h
    Gust:
    43 km/h
    overcast
    7 °C
    0 mm
    0 %
    SW
    17 km/h
    Gust:
    43 km/h
    overcast
    9 °C
    0 mm
    0 %
    SW
    19 km/h
    Gust:
    47 km/h
    partly cloudy
    11 °C
    0 mm
    0 %
    SW
    23 km/h
    Gust:
    47 km/h
    overcast
    12 °C
    0 mm
    0 %
    SW
    22 km/h

    Forecast

    02:0005:0008:0011:0014:0017:0020:0023:00
    clear sky
    1 °C
    0 mm
    0 %
    W
    15 km/h
    clear sky
    0 °C
    0 mm
    0 %
    S
    7 km/h
    high clouds
    2 °C
    0 mm
    0 %
    SW
    10 km/h
    overcast
    9 °C
    0 mm
    0 %
    SW
    19 km/h
    Gust:
    47 km/h
    overcast
    14 °C
    0 mm
    0 %
    SW
    24 km/h
    overcast
    14 °C
    0 mm
    0 %
    S
    23 km/h
    overcast
    8 °C
    0 mm
    10 %
    S
    16 km/h
    clear sky
    4 °C
    0 mm
    10 %
    W
    23 km/h
    Gust:
    58 km/h

    Meteogram

    10-5-210-10-2-1-11-127144411885114664
    20
    15
    10
    5
    0
    -5
    -10
    Fr
    21
    overcast with rain
    Sa
    22
    mostly cloudy
    Su
    23
    clear sky
    Mo
    24
    overcast with snow
    Tu
    25
    mostly cloudy
    We
    26
    clear sky
    Th
    27
    partly cloudy
    Fr
    28
    partly cloudy
    Sa
    29
    overcast with snow
    Su
    30
    overcast with snow
    Mo
    31
    overcast with snow
    Tu
    01
    partly cloudy
    We
    02
    partly cloudy
    Th
    03
    overcast with snow

    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

    rise06:46set18:58
    Heading: south Time: 2025/03/21 12:00
    Phase: day Altitude: +46 °


    rise01:44set10:08
    Heading: southwest Time: 2025/03/21 12:00
    Illumination: 57 % Altitude: −16 °


    Date rise set rise Illumination
    2025/03/2101:4410:0862 % to 52 %
    2025/03/2202:4211:0152 % to 42 %
    2025/03/2303:3212:0341 % to 32 %
    2025/03/2404:1513:1431 % to 22 %
    2025/03/2504:5014:3022 % to 14 %


    Phase 2025/03/21 Time Length
    night00:00 to 05:125 hr. 12 min.
    astronomical twilight05:12 to 05:4534 min.
    nautic twilight05:45 to 06:1833 min.
    civil twilight06:18 to 06:4628 min.
    day06:46 to 18:5812 hr. 12 min.
    civil twilight18:58 to 19:2628 min.
    nautic twilight19:26 to 19:5933 min.
    astronomical twilight19:59 to 20:3234 min.
    night20:32 to 00:003 hr. 27 min.
    Temperature
    Feels like temperature
    Precipitation
    Radar
    Satellite
    Clouds
    Wind speed
    Wind gusts
    Air pressure
    Thunderstorms
    Humidity
    Sea
    Snow cover
    Air quality
    PlayPreviousNextChange dateToday, 2025/03/2100:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
    MoTuWeThFrSaSu
    17181920212223
    24252627282930
    31March010203040506

    Data: HRRR, NOAA (resolution 3 km)
    Updated: 14:00 UTC (next update: 15:00 UTC - prepare)
    Current time: 16:00, 2025/03/21 (UTC)

    For this output data, temperature is shown for 2 m above ground. The calculations take into account the terrain (elevation), but with lower resolution than in reality. Therefore the models cannot differentiate, for instance, the temperature on a mountain peak or on a city square scorched by the sun. The general rule is that the centres of large cities are 1 °C to 3 °C warmer than the surrounding area or natural landscapes. Significant temperature differences over a small area are primarily caused in the winter by an inversion. A short yet noticeable cooling can also occur after a local summer storm.

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