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HERNDON, VIRGINIA


Home > North America > United States > Virginia
Elevation: 98 meters     Latitude: 38 57N     Longitude: 077 27W

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Number of Records: 213,900;   Date Range: 1/1/95 - 3/22/16
 
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WEATHER ALMANAC - 28 MARCH, 2015
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[ °F ]   °C
Weather ElementAverageHighLow
Temperature-0.6 °C2.8 °C (12:52 am)-2.2 °C (6:52 am)
Dewpoint-11.5 °C-4.4 °C (12:52 am)-15 °C (9:52 am)
Humidity44.5 %61 % (1:52 am)36 % (9:52 am)
Barometer1017.3 hPa1025.1 hPa (11:52 pm)1011.2 hPa (12:52 am)
Wind Speed26.6 km/h42.6 km/h (9:52 am)
Wind Gust62.9 km/h (9:52 am)
Weather ElementAverage
Visibility16.1 km
Wind DirectionNW (314.6 °)

Weather ElementTotal
Precipitation---
Heating Degree Days18.1 (Base 18.3)
Averaged from 24 records on 28 March, 2015
WEATHER CONDITIONS BREAKOUT
WIND DIRECTION BREAKOUT
WEATHER BY HOUR - 28 MARCH, 2015
[ °F ]   °C
Local TimeTemperatureDewpointHumidityBarometerVisibilityWind DirectionWind SpeedGust SpeedPrecipitationEventsConditions
12:52 AM2.8 °C-4.4 °C59 %1011.2 hPa16.1 kmNNW (340°)18.5 km/hScattered Clouds
1:52 AM1.7 °C-5 °C61 %1011.9 hPa16.1 kmNW (320°)18.5 km/hScattered Clouds
2:52 AM0.6 °C-7.8 °C54 %1012.2 hPa16.1 kmNW (320°)20.4 km/hMostly Cloudy
3:52 AM0 °C-7.8 °C56 %1012.2 hPa16.1 kmNNW (330°)18.5 km/hMostly Cloudy
4:52 AM-0.6 °C-7.8 °C59 %1012.5 hPa16.1 kmNW (310°)20.4 km/hMostly Cloudy
5:52 AM-1.1 °C-9.4 °C54 %1013.5 hPa16.1 kmNNW (330°)27.8 km/h33.3 km/hScattered Clouds
6:52 AM-2.2 °C-11.1 °C51 %1014.6 hPa16.1 kmNW (320°)25.9 km/h46.3 km/hScattered Clouds
7:52 AM-2.2 °C-12.2 °C47 %1015.9 hPa16.1 kmNW (310°)22.2 km/h31.5 km/hScattered Clouds
8:52 AM-2.2 °C-13.3 °C43 %1016.3 hPa16.1 kmWNW (300°)33.3 km/h46.3 km/hScattered Clouds
9:52 AM-1.7 °C-15 °C36 %1016.9 hPa16.1 kmNW (310°)42.6 km/h62.9 km/hScattered Clouds
10:52 AM-1.1 °C-13.9 °C38 %1017.3 hPa16.1 kmNW (310°)35.2 km/h51.8 km/hScattered Clouds
11:52 AM-0.6 °C-13.3 °C38 %1017.3 hPa16.1 kmWNW (300°)27.8 km/h48.1 km/hScattered Clouds
12:52 PM0.6 °C-11.1 °C42 %1016.9 hPa16.1 kmWNW (290°)33.3 km/h44.4 km/hMostly Cloudy
1:52 PM0 °C-12.8 °C38 %1017.3 hPa16.1 kmNW (320°)35.2 km/h50.1 km/hMostly Cloudy
2:52 PM0.6 °C-11.7 °C40 %1017.6 hPa16.1 kmWNW (300°)27.8 km/h46.3 km/hMostly Cloudy
3:52 PM1.1 °C-11.1 °C40 %1017.9 hPa16.1 kmNW (310°)31.5 km/h46.3 km/hMostly Cloudy
4:52 PM1.1 °C-12.2 °C37 %1018.6 hPa16.1 kmNW (320°)37 km/h44.4 km/hMostly Cloudy
5:52 PM0 °C-12.8 °C38 %1019.3 hPa16.1 kmWNW (300°)35.2 km/h44.4 km/hMostly Cloudy
6:52 PM-0.6 °C-12.8 °C40 %1020.7 hPa16.1 kmNW (320°)29.6 km/h40.7 km/hMostly Cloudy
7:52 PM-1.1 °C-13.9 °C38 %1021.7 hPa16.1 kmNW (320°)27.8 km/h37 km/hMostly Cloudy
8:52 PM-1.7 °C-14.4 °C38 %1023 hPa16.1 kmNW (320°)22.2 km/hPartly Cloudy
9:52 PM-2.2 °C-14.4 °C39 %1023.7 hPa16.1 kmNW (320°)14.8 km/h27.8 km/hClear
10:52 PM-2.2 °C-13.9 °C41 %1024.4 hPa16.1 kmNW (320°)14.8 km/hClear
11:52 PM-2.2 °C-13.9 °C41 %1025.1 hPa16.1 kmNW (310°)16.7 km/hClear
Hourly data recorded from KIAD, located 0 kilometers away from Herndon, Virginia




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