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DULLES, VIRGINIA


Home > North America > United States > Virginia
Elevation: 88 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 - 1 JULY, 2015
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[ °F ]   °C
Weather ElementAverageHighLow
Temperature22.5 °C28.9 °C (2:52 pm)18.9 °C (1:52 am)
Dewpoint18.1 °C20 °C (8:52 am)15.6 °C (8:52 pm)
Humidity78.5 %100 % (4:35 am)51 % (1:52 pm)
Barometer1010.8 hPa1012.9 hPa (11:52 pm)1009.5 hPa (12:52 am)
Wind Speed8.4 km/h18.5 km/h (4:52 pm)
Wind Gust31.5 km/h (12:52 am)
Weather ElementAverage
Visibility11.7 km
Wind DirectionS (175.1 °)

Weather ElementTotal
Precipitation5.59 mm
Cooling Degree Days5.6 (Base 18.3)
Growing Degree Days13.9 (Base 10)
Averaged from 35 records on 1 July, 2015
WEATHER CONDITIONS BREAKOUT
WIND DIRECTION BREAKOUT
WEATHER BY HOUR - 1 JULY, 2015
[ °F ]   °C
Local TimeTemperatureDewpointHumidityBarometerVisibilityWind DirectionWind SpeedGust SpeedPrecipitationEventsConditions
12:21 AM24 °C16 °C61 %1009.8 hPa16.1 kmNW (320°)11.1 km/hThunderstormThunderstorm
12:52 AM19.4 °C16.7 °C84 %1009.5 hPa4.8 kmVariable7.4 km/h31.5 km/h2.29 mmRain-ThunderstormHeavy Thunderstorms and Rain
1:32 AM19 °C17 °C88 %1010.8 hPa9.7 kmSouth (170°)14.8 km/h1.27 mmRain-ThunderstormThunderstorms and Rain
1:52 AM18.9 °C17.8 °C93 %1010.2 hPa12.9 kmSouth (170°)9.3 km/h1.78 mmRainLight Rain
2:52 AM18.9 °C18.3 °C96 %1009.5 hPa14.5 kmSouth (190°)5.6 km/h0.25 mmMostly Cloudy
3:18 AM19 °C18 °C94 %1010.2 hPa14.5 kmWest (270°)5.6 km/hMostly Cloudy
3:42 AM19 °C18 °C94 %1010.2 hPa12.9 kmCalmOvercast
3:52 AM18.9 °C18.3 °C96 %1010.2 hPa11.3 kmCalmOvercast
4:35 AM19 °C19 °C100 %1010.8 hPa9.7 kmCalmOvercast
4:52 AM19.4 °C18.3 °C93 %1010.2 hPa8 kmCalmOvercast
5:52 AM19.4 °C18.9 °C97 %1010.5 hPa6.4 kmCalmOvercast
6:52 AM19.4 °C18.9 °C97 %1011.2 hPa4.8 kmSSE (160°)5.6 km/hOvercast
6:56 AM19 °C19 °C100 %1011.5 hPa0.8 kmSouth (190°)9.3 km/hOvercast
7:52 AM19.4 °C18.9 °C97 %1011.2 hPa0.8 kmSouth (190°)11.1 km/hOvercast
7:58 AM19 °C19 °C100 %1011.5 hPa1.6 kmSSW (200°)7.4 km/hMostly Cloudy
8:04 AM19 °C19 °C100 %1011.5 hPa4.8 kmSSW (210°)7.4 km/hMostly Cloudy
8:12 AM20 °C19 °C94 %1011.5 hPa4.8 kmSSW (210°)5.6 km/hMostly Cloudy
8:17 AM21 °C19 °C88 %1011.5 hPa4.8 kmSouth (180°)5.6 km/hPartly Cloudy
8:18 AM20 °C19 °C94 %1011.5 hPa14.5 kmSSW (200°)5.6 km/hPartly Cloudy
8:52 AM21.7 °C20 °C90 %1011.2 hPa16.1 kmSSW (210°)5.6 km/hClear
9:52 AM23.9 °C17.8 °C69 %1010.8 hPa16.1 kmSW (230°)11.1 km/hClear
10:52 AM25 °C18.9 °C69 %1011.2 hPa16.1 kmSSW (200°)13 km/hPartly Cloudy
11:52 AM26.7 °C17.8 °C58 %1011.5 hPa16.1 kmSW (220°)14.8 km/hPartly Cloudy
12:52 PM27.2 °C17.2 °C54 %1011.9 hPa16.1 kmWSW (240°)11.1 km/h25.9 km/hMostly Cloudy
1:52 PM28.3 °C17.2 °C51 %1011.2 hPa16.1 kmSW (230°)13 km/h25.9 km/hMostly Cloudy
2:52 PM28.9 °C18.3 °C53 %1010.8 hPa16.1 kmSW (230°)11.1 km/hMostly Cloudy
3:52 PM28.9 °C18.3 °C53 %1010.2 hPa16.1 kmWSW (250°)14.8 km/hMostly Cloudy
4:52 PM28.3 °C19.4 °C58 %1010.5 hPa16.1 kmNW (310°)18.5 km/h31.5 km/hMostly Cloudy
5:52 PM28.9 °C18.3 °C53 %1010.2 hPa16.1 kmWNW (300°)13 km/hScattered Clouds
6:52 PM28.3 °C18.3 °C54 %1010.2 hPa16.1 kmNW (310°)11.1 km/hMostly Cloudy
7:52 PM26.7 °C16.7 °C54 %1010.8 hPa16.1 kmNW (320°)14.8 km/hScattered Clouds
8:52 PM25.6 °C15.6 °C54 %1011.5 hPa16.1 kmNNW (330°)11.1 km/hPartly Cloudy
9:52 PM23.9 °C16.7 °C64 %1012.2 hPa16.1 kmNNE (30°)11.1 km/hPartly Cloudy
10:52 PM22.8 °C16.7 °C68 %1012.5 hPa14.5 kmENE (60°)7.4 km/hPartly Cloudy
11:52 PM20.6 °C17.2 °C81 %1012.9 hPa12.9 kmCalmScattered Clouds
Hourly data recorded from KIAD, located 0 kilometers away from Dulles, Virginia




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