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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 - 18 OCTOBER, 2014
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[ °F ]   °C
Weather ElementAverageHighLow
Temperature13.8 °C20 °C (12:52 pm)10 °C (7:52 am)
Dewpoint7.3 °C11.1 °C (12:52 am)3.3 °C (6:52 pm)
Humidity67.8 %100 % (6:52 am)39 % (11:52 am)
Barometer1007.1 hPa1012.2 hPa (10:52 pm)1003.4 hPa (4:52 am)
Wind Speed18.2 km/h29.6 km/h (1:52 pm)
Wind Gust42.6 km/h (11:52 am)
Weather ElementAverage
Visibility16.1 km
Wind DirectionWSW (247.5 °)

Weather ElementTotal
Precipitation---
Heating Degree Days3.3 (Base 18.3)
Growing Degree Days5 (Base 10)
Averaged from 24 records on 18 October, 2014
WEATHER CONDITIONS BREAKOUT
WIND DIRECTION BREAKOUT
WEATHER BY HOUR - 18 OCTOBER, 2014
[ °F ]   °C
Local TimeTemperatureDewpointHumidityBarometerVisibilityWind DirectionWind SpeedGust SpeedPrecipitationEventsConditions
12:52 AM13.3 °C11.1 °C87 %1004.7 hPa16.1 kmVariable11.1 km/hClear
1:52 AM13.3 °C10.6 °C84 %1004.4 hPa16.1 kmSouth (180°)9.3 km/hPartly Cloudy
2:52 AM11.1 °C10 °C93 %1004.4 hPaCalm (180°)Clear
3:52 AM11.1 °C10.6 °C97 %1003.7 hPa16.1 kmSouth (180°)7.4 km/hPartly Cloudy
4:52 AM11.1 °C10.6 °C97 %1003.4 hPa16.1 kmNorthScattered Clouds
5:52 AM10.6 °C10 °C96 %1003.4 hPa16.1 kmSouth (180°)9.3 km/hPartly Cloudy
6:52 AM10.6 °C10.6 °C100 %1003.7 hPa16.1 kmSW (230°)5.6 km/hScattered Clouds
7:52 AM10 °C9 °C94 %1005.1 hPa16.1 kmWest (270°)11.1 km/hScattered Clouds
8:52 AM16.1 °C10.6 °C70 %1005.4 hPa16.1 kmWNW (300°)16.7 km/hScattered Clouds
9:52 AM17.8 °C8.3 °C54 %1006.1 hPa16.1 kmWNW (300°)18.5 km/h29.6 km/hScattered Clouds
10:52 AM18.9 °C6.1 °C43 %1005.8 hPa16.1 kmWNW (290°)22.2 km/h37 km/hScattered Clouds
11:52 AM19.4 °C5 °C39 %1006.1 hPa16.1 kmWest (280°)25.9 km/h42.6 km/hScattered Clouds
12:52 PM20 °C6.1 °C40 %1006.1 hPa16.1 kmWest (260°)25.9 km/h37 km/hScattered Clouds
1:52 PM18.3 °C6.7 °C47 %1006.1 hPa14.5 kmWNW (300°)29.6 km/h42.6 km/hMostly Cloudy
2:52 PM18 °C8 °C52 %1006.8 hPa16.1 kmWNW (300°)27.8 km/h40.7 km/hScattered Clouds
3:52 PM16.7 °C7.2 °C53 %1007.1 hPa16.1 kmWNW (300°)27.8 km/h40.7 km/hMostly Cloudy
4:52 PM15 °C6.1 °C55 %1008.5 hPa16.1 kmNW (310°)29.6 km/hMostly Cloudy
5:52 PM13.9 °C5 °C55 %1009.1 hPa16.1 kmNW (310°)24.1 km/h35.2 km/hMostly Cloudy
6:52 PM12.8 °C3.3 °C53 %1009.8 hPa16.1 kmNW (310°)20.4 km/h31.5 km/hScattered Clouds
7:52 PM11.7 °C3.9 °C59 %1010.5 hPa16.1 kmWNW (300°)22.2 km/h31.5 km/hPartly Cloudy
8:52 PM10.6 °C3.9 °C63 %1011.2 hPa16.1 kmNW (310°)14.8 km/hPartly Cloudy
9:52 PM10.6 °C3.9 °C63 %1011.9 hPa16.1 kmWest (280°)16.7 km/hPartly Cloudy
10:52 PM10 °C3.9 °C66 %1012.2 hPa16.1 kmWNW (290°)16.7 km/h25.9 km/hScattered Clouds
11:52 PM10 °C4.4 °C68 %1012.2 hPa16.1 kmWest (280°)25.9 km/hMostly Cloudy
Hourly data recorded from KIAD, located 0 kilometers away from Herndon, Virginia




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