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HERNDON, VIRGINIA


Home > North America > United States > Virginia
Elevation: 322 feet     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 - SEPTEMBER 2, 2014
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[ °C ]   °F
Weather ElementAverageHighLow
Temperature78.2 °F90 °F (2:52 pm)69.8 °F (10:49 am)
Dewpoint70.9 °F73.4 °F (8:26 pm)66.2 °F (10:49 am)
Humidity80.5 %100 % (8:26 pm)50 % (2:52 pm)
Barometer29.93 in29.99 in (10:52 am)29.84 in (4:52 pm)
Wind Speed5.7 mph12.7 mph (8:05 pm)
Wind Gust28.8 mph (8:05 pm)
Weather ElementAverage
Visibility9.7 mi
Wind DirectionSSE (164.8 °)

Weather ElementTotal
Precipitation0.13 in
Cooling Degree Days14.9 (Base 65)
Growing Degree Days29.9 (Base 50)
Averaged from 27 records on September 2, 2014
WEATHER CONDITIONS BREAKOUT
WIND DIRECTION BREAKOUT
WEATHER BY HOUR - SEPTEMBER 2, 2014
[ °C ]   °F
Local TimeTemperatureDewpointHumidityBarometerVisibilityWind DirectionWind SpeedGust SpeedPrecipitationEventsConditions
1:52 AM73.0 °F72.0 °F96 %29.97 in10.0 miSouth (180°)4.6 mphPartly Cloudy
2:52 AM73.0 °F72.0 °F96 %29.96 in10.0 miCalmPartly Cloudy
3:52 AM73.0 °F71.1 °F93 %29.96 in10.0 miSouth (180°)4.6 mphPartly Cloudy
4:52 AM72.0 °F70.0 °F93 %29.95 in10.0 miSouth (180°)3.5 mphPartly Cloudy
5:52 AM72.0 °F70.0 °F93 %29.96 in10.0 miSSW (200°)6.9 mphPartly Cloudy
6:52 AM71.1 °F69.1 °F93 %29.97 in10.0 miSouth (190°)4.6 mphScattered Clouds
7:52 AM73.9 °F69.1 °F85 %29.98 in10.0 miSouth (180°)4.6 mphMostly Cloudy
8:52 AM78.1 °F71.1 °F79 %29.98 in10.0 miSSW (200°)5.8 mphMostly Cloudy
9:52 AM82.9 °F71.1 °F67 %29.98 in10.0 miSSW (210°)6.9 mphScattered Clouds
10:49 AM69.8 °F66.2 °F88 %29.97 in10.0 miSW (230°)11.5 mphMostly Cloudy
10:52 AM84.9 °F71.1 °F63 %29.99 in10.0 miSSW (210°)8.1 mphScattered Clouds
11:52 AM88.0 °F70.0 °F55 %29.97 in10.0 miSSW (200°)8.1 mphScattered Clouds
12:52 PM88.0 °F69.1 °F53 %29.96 in10.0 miSSW (210°)5.8 mphScattered Clouds
1:52 PM89.1 °F70.0 °F53 %29.93 in10.0 miSouth (190°)8.1 mphScattered Clouds
2:52 PM90.0 °F69.1 °F50 %29.91 in10.0 miSSW (210°)8.1 mphScattered Clouds
3:52 PM89.1 °F70.0 °F53 %29.90 in10.0 miSSW (200°)10.4 mph17.3 mphMostly Cloudy
4:52 PM90.0 °F72.0 °F55 %29.84 in10.0 miSouth (180°)9.2 mphScattered Clouds
5:52 PM87.1 °F72.0 °F61 %29.86 in10.0 miSSW (200°)4.6 mphMostly Cloudy
6:52 PM75.0 °F71.1 °F87 %29.89 in5.0 miNW (320°)9.2 mph23.0 mph0.11 inRain-ThunderstormLight Thunderstorms and Rain
7:20 PM75.2 °F71.6 °F89 %29.88 in10.0 miENE (60°)5.8 mph0.01 inMostly Cloudy
7:52 PM73.9 °F72.0 °F93 %29.89 in10.0 miSouth (180°)4.6 mph0.01 inMostly Cloudy
8:05 PM73.4 °F71.6 °F94 %29.93 in10.0 miSW (220°)12.7 mph28.8 mphThunderstormThunderstorm
8:26 PM73.4 °F73.4 °F100 %29.91 in10.0 miCalmMostly Cloudy
8:52 PM73.0 °F72.0 °F96 %29.90 in9.0 miCalmMostly Cloudy
9:52 PM73.0 °F73.0 °F100 %29.91 in9.0 miCalmMostly Cloudy
10:52 PM73.4 °F71.6 °F94 %29.91 in10.0 miCalmMostly Cloudy
11:52 PM75.0 °F73.0 °F94 %29.91 in10.0 miNW (320°)6.9 mphMostly Cloudy
Hourly data recorded from KIAD, located miles away from Herndon, Virginia




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