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    • Wind animation
    GFS, ICON, GEM
    A new global model from the South Korea Meteorological Institute KMA

    Waltham

    United States / Lat.: 42°22'N / Lon.: 71°14'W / Altitude: 18 m
    Timezone: America/New_York (UTC-5) / Current time: 14:57 2024/12/15
    clear sky 1 °C
    Wind 9 km/h
     
    Humidity 43 %
    Air pressure 1043 hPa
    Visibility 16 km
    Clouds 0 %

    Calculated from nearby stations (13:51 2024/12/15)

    Weather for the next 24 hours

    15:0016:0017:0018:0019:0020:0021:0022:0023:0000:00 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 tomorrow14:00 tomorrow15:00 tomorrow
    overcast
    0 °C
    0 mm
    0 %
    SW
    4 km/h
    		 overcast
    0 °C
    0 mm
    0 %
    N
    3 km/h
    		 overcast
    -1 °C
    0 mm
    0 %
    N
    5 km/h
    		 overcast
    -1 °C
    0 mm
    0 %
    NE
    4 km/h
    		 overcast
    -1 °C
    0 mm
    0 %
    NE
    4 km/h
    		 overcast
    -2 °C
    0 mm
    0 %
    E
    3 km/h
    		 overcast
    -2 °C
    0 mm
    0 %
    NE
    1 km/h
    		 overcast
    -2 °C
    0 mm
    0 %
    NW
    1 km/h
    		 overcast
    -2 °C
    0 mm
    0 %
    W
    3 km/h
    		 overcast
    -3 °C
    0 mm
    0 %
    W
    3 km/h
    		 overcast
    -3 °C
    0 mm
    0 %
    N
    5 km/h
    		 overcast
    -3 °C
    0 mm
    0 %
    NW
    7 km/h
    		 overcast
    -2 °C
    0 mm
    0 %
    N
    5 km/h
    		 overcast
    -2 °C
    0 mm
    10 %
    NE
    6 km/h
    		 overcast
    -1 °C
    0 mm
    10 %
    N
    5 km/h
    		 overcast
    -1 °C
    0 mm
    20 %
    NW
    6 km/h
    		 overcast
    -3 °C
    0 mm
    30 %
    N
    5 km/h
    		 overcast
    -1 °C
    0 mm
    20 %
    N
    3 km/h
    		 overcast
    1 °C
    0 mm
    10 %
    SE
    6 km/h
    		 overcast
    3 °C
    0 mm
    10 %
    SE
    6 km/h
    		 overcast
    5 °C
    0 mm
    0 %
    SE
    13 km/h
    		 overcast
    5 °C
    0 mm
    0 %
    SE
    10 km/h
    		 overcast
    6 °C
    0 mm
    0 %
    SE
    10 km/h
    		 overcast
    5 °C
    0 mm
    0 %
    SE
    9 km/h
    		 overcast
    5 °C
    0 mm
    0 %
    SE
    8 km/h

    Forecast

    01:0004:0007:0010:0013:0016:0019:0022:00
    overcast
    -3 °C
    0 mm
    0 %
    N
    5 km/h
    		 overcast
    -2 °C
    0 mm
    10 %
    NE
    6 km/h
    		 overcast
    -3 °C
    0 mm
    30 %
    N
    5 km/h
    		 overcast
    3 °C
    0 mm
    20 %
    SE
    6 km/h
    		 overcast
    6 °C
    0 mm
    0 %
    SE
    10 km/h
    		 overcast
    5 °C
    0 mm
    0 %
    E
    5 km/h
    		 overcast
    5 °C
    0 mm
    10 %
    E
    9 km/h
    		 overcast with light rain
    6 °C
    0.2 mm
    50 %
    SE
    9 km/h

    Meteogram

    -8-360-4-8-14-17-10-7-1214061474-2-3-9-406799
    20
    15
    10
    5
    0
    -5
    -10
    -15
    -20
    Su
    15
    partly cloudy    		Mo
    16
    overcast    		Tu
    17
    overcast with rain    		We
    18
    partly cloudy    		Th
    19
    overcast with rain    		Fr
    20
    overcast with snow    		Sa
    21
    overcast with snow    		Su
    22
    clear sky    		Mo
    23
    clear sky with few clouds    		Tu
    24
    clear sky    		We
    25
    high clouds    		Th
    26
    clear sky with few clouds    		Fr
    27
    partly cloudy    		Sa
    28
    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