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

    Herndon

    World / United States / Virginia

    38°58'N / 77°23'W / Altitude 108 m / 01:07 2026/03/19, America/New_York (UTC-4)

    overcast 2.2 °C
    Wind speed 11 km/h
     
    Humidity 56 %
    Air pressure 1026 hPa
    Visibility 16 km
    Clouds 100 %
    Cloud base 2133 m

    Weather report from station Wash Dc/dulles, Distance: 7 km (00:52 2026/03/19)

    Open Radar Map

    Weather for the next 24 hours

    02:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:00 tomorrow01:00 tomorrow02:00 tomorrow
    overcast
    0 °C
    0 mm
    0 %
    SE
    11 km/h
    overcast
    0 °C
    0 mm
    0 %
    SE
    13 km/h
    overcast
    0 °C
    0 mm
    0 %
    SE
    11 km/h
    overcast
    0 °C
    0 mm
    0 %
    SE
    10 km/h
    overcast
    0 °C
    0 mm
    0 %
    S
    9 km/h
    clear sky with few clouds
    0 °C
    0 mm
    0 %
    S
    9 km/h
    overcast
    0 °C
    0 mm
    0 %
    S
    11 km/h
    overcast
    1 °C
    0 mm
    0 %
    S
    15 km/h
    overcast
    3 °C
    0 mm
    0 %
    S
    16 km/h
    overcast
    5 °C
    0 mm
    0 %
    S
    14 km/h
    partly cloudy
    7 °C
    0 mm
    0 %
    S
    14 km/h
    overcast
    9 °C
    0 mm
    0 %
    S
    11 km/h
    clear sky
    11 °C
    0 mm
    0 %
    SW
    12 km/h
    clear sky
    13 °C
    0 mm
    0 %
    SW
    10 km/h
    clear sky
    14 °C
    0 mm
    0 %
    SW
    7 km/h
    clear sky
    14 °C
    0 mm
    0 %
    SW
    8 km/h
    overcast
    13 °C
    0 mm
    10 %
    SW
    6 km/h
    mostly cloudy
    12 °C
    0 mm
    0 %
    S
    5 km/h
    overcast
    11 °C
    0 mm
    0 %
    S
    7 km/h
    overcast
    9 °C
    0 mm
    0 %
    S
    9 km/h
    overcast
    8 °C
    0 mm
    0 %
    S
    9 km/h
    partly cloudy
    7 °C
    0 mm
    0 %
    S
    9 km/h
    clear sky with few clouds
    6 °C
    0 mm
    0 %
    S
    9 km/h
    clear sky with few clouds
    6 °C
    0 mm
    0 %
    S
    7 km/h
    clear sky with few clouds
    5 °C
    0 mm
    0 %
    S
    7 km/h

    Forecast

    02:0005:0008:0011:0014:0017:0020:0023:00
    clear sky with few clouds
    5 °C
    0 mm
    0 %
    S
    7 km/h
    clear sky
    5 °C
    0 mm
    0 %
    S
    9 km/h
    clear sky
    4 °C
    0 mm
    0 %
    SE
    8 km/h
    clear sky
    12 °C
    0 mm
    0 %
    S
    13 km/h
    clear sky with few clouds
    20 °C
    0 mm
    0 %
    S
    25 km/h
    mostly cloudy
    22 °C
    0 mm
    10 %
    S
    28 km/h
    Gust:
    47 km/h
    overcast
    18 °C
    0 mm
    50 %
    S
    18 km/h
    overcast with rain
    12 °C
    2.1 mm
    90 %
    S
    9 km/h

    Meteogram

    048116531-2-6-5-3014221920241213181537915
    30
    25
    20
    15
    10
    5
    0
    -5
    -10
    Thu
    19
    partly cloudy
    Fri
    20
    partly cloudy
    Sat
    21
    mostly cloudy
    Sun
    22
    mostly cloudy
    Mon
    23
    overcast
    Tue
    24
    partly cloudy
    Wed
    25
    overcast
    Thu
    26
    clear sky with few clouds
    Fri
    27
    overcast with snow
    Sat
    28
    partly cloudy
    Sun
    29
    overcast with light rain
    Mon
    30
    clear sky
    Tue
    31
    mostly 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