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    • Wind Animation
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    Herndon

    World / United States / Virginia

    38°58'N / 77°23'W / Altitude 108 m / 10:11 2025/12/18, America/New_York (UTC-5)

    partly cloudy 5.6 °C
    Wind speed 5 km/h
     
    Humidity 57 %
    Air pressure 1024 hPa
    Visibility 16 km
    Clouds 30 %
    Cloud base 3657 m

    Weather report from station Wash Dc/dulles, Distance: 7 km (09:52 2025/12/18)

    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
    clear sky
    9 °C
    0 mm
    0 %
    SE
    8 km/h
    		 clear sky with few clouds
    10 °C
    0 mm
    0 %
    SE
    13 km/h
    		 overcast
    11 °C
    0 mm
    0 %
    SE
    15 km/h
    		 high clouds
    13 °C
    0 mm
    0 %
    SE
    15 km/h
    		 overcast
    13 °C
    0 mm
    0 %
    S
    14 km/h
    		 high clouds
    11 °C
    0 mm
    0 %
    SE
    13 km/h
    		 overcast
    9 °C
    0 mm
    10 %
    SE
    11 km/h
    		 overcast
    9 °C
    0 mm
    10 %
    SE
    11 km/h
    		 overcast
    9 °C
    0 mm
    30 %
    SE
    13 km/h
    		 overcast
    9 °C
    0 mm
    50 %
    SE
    16 km/h
    		 overcast with light rain
    9 °C
    0.1 mm
    80 %
    SE
    17 km/h
    		 overcast
    10 °C
    0 mm
    50 %
    SE
    21 km/h
    		 overcast with light rain
    10 °C
    0.1 mm
    100 %
    SE
    19 km/h
    		 overcast with light rain
    11 °C
    0.3 mm
    100 %
    SE
    21 km/h
    		 overcast
    12 °C
    0 mm
    50 %
    SE
    27 km/h
    Gust:
    61 km/h
    		 overcast
    13 °C
    0 mm
    50 %
    SE
    34 km/h
    Gust:
    72 km/h
    		 overcast with rain
    14 °C
    1 mm
    100 %
    S
    31 km/h
    Gust:
    65 km/h
    		 overcast with rain
    14 °C
    0.4 mm
    100 %
    SE
    34 km/h
    Gust:
    68 km/h
    		 overcast with light rain
    14 °C
    0.2 mm
    80 %
    S
    31 km/h
    Gust:
    65 km/h
    		 overcast
    14 °C
    0 mm
    50 %
    SE
    30 km/h
    Gust:
    61 km/h
    		 overcast with rain
    15 °C
    0.7 mm
    90 %
    S
    29 km/h
    Gust:
    61 km/h
    		 overcast with heavy rain
    10 °C
    7 mm
    90 %
    NW
    16 km/h
    		 overcast with rain
    10 °C
    1 mm
    80 %
    W
    11 km/h
    		 overcast with light rain
    10 °C
    0.2 mm
    60 %
    W
    19 km/h
    Gust:
    47 km/h
    		 clear sky
    11 °C
    0 mm
    10 %
    W
    23 km/h
    Gust:
    43 km/h

    Forecast

    01:0004:0007:0010:0013:0016:0019:0022:00
    overcast with light rain
    12 °C
    0.4 mm
    100 %
    SE
    27 km/h
    Gust:
    61 km/h
    		 overcast with rain
    14 °C
    1.4 mm
    100 %
    SE
    34 km/h
    Gust:
    68 km/h
    		 overcast with light rain
    15 °C
    0.9 mm
    90 %
    S
    29 km/h
    Gust:
    61 km/h
    		 overcast with heavy rain
    10 °C
    8.2 mm
    90 %
    W
    19 km/h
    Gust:
    47 km/h
    		 overcast with rain
    7 °C
    0.4 mm
    50 %
    W
    31 km/h
    Gust:
    65 km/h
    		 clear sky
    2 °C
    0 mm
    10 %
    W
    34 km/h
    Gust:
    68 km/h
    		 clear sky
    0 °C
    0 mm
    0 %
    W
    33 km/h
    Gust:
    68 km/h
    		 clear sky
    -1 °C
    0 mm
    0 %
    W
    31 km/h
    Gust:
    68 km/h

    Meteogram

    -2-10-1-7-1412-1-240-31115610461814138595-2
    20
    15
    10
    5
    0
    -5
    -10
    Th
    18
    partly cloudy    		Fr
    19
    overcast with light rain    		Sa
    20
    clear sky    		Su
    21
    clear sky    		Mo
    22
    clear sky    		Tu
    23
    overcast    		We
    24
    mostly cloudy    		Th
    25
    overcast with light rain    		Fr
    26
    overcast with rain    		Sa
    27
    clear sky with few clouds    		Su
    28
    partly cloudy    		Mo
    29
    overcast    		Tu
    30
    overcast with rain    		We
    31
    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

    Heading: Time:
    Phase: Altitude:


    Heading: Time:
    Illumination: Altitude:


    Date rise set rise Illumination


    Phase Time Length