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

    Mount Vernon

    World / United States / Virginia

    38°44'N / 77°5'W / Altitude 69 ft / 05:07 PM 03/13/2026, America/New_York (UTC-4)

    clear sky 55.9 °F
    Wind speed 17 mph
     
    Humidity 29 %
    Air pressure 29.8 inHg
    Snow cover 194.9 inch
    Visibility 10 mi
    Clouds 0 %

    Weather report from station Fort Belvoir/dav, Distance: 4 mi (04:55 PM 03/13/2026)

    Open Radar Map

    1Warning
    moderate wind

    Weather for the next 24 hours

    06 PM07 PM08 PM09 PM10 PM11 PM12 AM tomorrow01 AM tomorrow02 AM tomorrow03 AM tomorrow04 AM tomorrow05 AM tomorrow06 AM tomorrow07 AM tomorrow08 AM tomorrow09 AM tomorrow10 AM tomorrow11 AM tomorrow12 PM tomorrow01 PM tomorrow02 PM tomorrow03 PM tomorrow04 PM tomorrow05 PM tomorrow06 PM tomorrow
    clear sky
    55 °F
    0 inch
    0 %
    S
    20 mph
    Gust:
    40 mph
    		 clear sky
    52 °F
    0 inch
    0 %
    S
    16 mph
    Gust:
    40 mph
    		 clear sky
    50 °F
    0 inch
    0 %
    S
    15 mph
    Gust:
    29 mph
    		 clear sky
    50 °F
    0 inch
    0 %
    S
    14 mph
    Gust:
    29 mph
    		 clear sky
    50 °F
    0 inch
    0 %
    SW
    12 mph
    		 partly cloudy
    50 °F
    0 inch
    0 %
    SW
    12 mph
    		 clear sky
    48 °F
    0 inch
    0 %
    SW
    8 mph
    		 clear sky
    46 °F
    0 inch
    0 %
    SW
    8 mph
    		 high clouds
    45 °F
    0 inch
    0 %
    SW
    6 mph
    		 high clouds
    43 °F
    0 inch
    0 %
    SW
    6 mph
    		 high clouds
    43 °F
    0 inch
    0 %
    SW
    5 mph
    		 high clouds
    43 °F
    0 inch
    0 %
    SW
    6 mph
    		 high clouds
    41 °F
    0 inch
    0 %
    W
    7 mph
    		 high clouds
    39 °F
    0 inch
    0 %
    SW
    6 mph
    		 high clouds
    37 °F
    0 inch
    0 %
    S
    6 mph
    		 high clouds
    43 °F
    0 inch
    0 %
    W
    11 mph
    		 high clouds
    45 °F
    0 inch
    0 %
    W
    13 mph
    Gust:
    29 mph
    		 high clouds
    46 °F
    0 inch
    0 %
    W
    13 mph
    		 clear sky
    48 °F
    0 inch
    0 %
    W
    14 mph
    Gust:
    31 mph
    		 clear sky with few clouds
    50 °F
    0 inch
    0 %
    W
    14 mph
    Gust:
    29 mph
    		 high clouds
    52 °F
    0 inch
    0 %
    W
    15 mph
    Gust:
    29 mph
    		 high clouds
    54 °F
    0 inch
    0 %
    W
    15 mph
    Gust:
    34 mph
    		 high clouds
    55 °F
    0 inch
    0 %
    W
    13 mph
    		 high clouds
    55 °F
    0 inch
    0 %
    W
    11 mph
    		 high clouds
    54 °F
    0 inch
    0 %
    NW
    9 mph

    Forecast

    02 AM05 AM08 AM11 AM02 PM05 PM08 PM11 PM
    high clouds
    45 °F
    0 inch
    0 %
    SW
    6 mph
    		 high clouds
    43 °F
    0 inch
    0 %
    SW
    6 mph
    		 high clouds
    37 °F
    0 inch
    0 %
    S
    6 mph
    		 high clouds
    46 °F
    0 inch
    0 %
    W
    13 mph
    		 high clouds
    52 °F
    0 inch
    0 %
    W
    15 mph
    Gust:
    29 mph
    		 high clouds
    55 °F
    0 inch
    0 %
    W
    11 mph
    		 high clouds
    46 °F
    0 inch
    0 %
    N
    6 mph
    		 overcast
    41 °F
    0 inch
    0 %
    NE
    5 mph

    Meteogram

    30373646302732393643433434345555596839414864527052454543
    75
    70
    65
    60
    55
    50
    45
    40
    35
    30
    25
    20
    Fri
    13
    clear sky    		Sat
    14
    high clouds    		Sun
    15
    mostly cloudy    		Mon
    16
    rain, thunderstorms likely    		Tue
    17
    partly cloudy    		Wed
    18
    clear sky with few clouds    		Thu
    19
    partly cloudy    		Fri
    20
    clear sky with few clouds    		Sat
    21
    partly cloudy    		Sun
    22
    clear sky with few clouds    		Mon
    23
    overcast with rain    		Tue
    24
    overcast    		Wed
    25
    overcast with light rain    		Thu
    26
    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