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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 - JULY 30, 2015
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[ °C ]   °F
Weather ElementAverageHighLow
Temperature78.5 °F89.1 °F (12:52 pm)73.4 °F (1:24 pm)
Dewpoint73.2 °F75.9 °F (11:52 am)63 °F (11:52 pm)
Humidity84.1 %100 % (1:30 pm)65 % (12:52 pm)
Barometer29.91 in29.96 in (12:20 am)29.85 in (5:52 pm)
Wind Speed7 mph32.2 mph (1:13 pm)
Wind Gust43.7 mph (1:13 pm)
Weather ElementAverage
Visibility8 mi
Wind DirectionS (174.7 °)

Weather ElementTotal
Precipitation7.06 in
Cooling Degree Days16.3 (Base 65)
Growing Degree Days31.3 (Base 50)
Averaged from 36 records on July 30, 2015
WEATHER CONDITIONS BREAKOUT
WIND DIRECTION BREAKOUT
WEATHER BY HOUR - JULY 30, 2015
[ °C ]   °F
Local TimeTemperatureDewpointHumidityBarometerVisibilityWind DirectionWind SpeedGust SpeedPrecipitationEventsConditions
12:20 AM77.0 °F71.6 °F83 %29.96 in10.0 miSouth (190°)3.5 mphMostly Cloudy
12:52 AM77.0 °F72.0 °F84 %29.95 in10.0 miSSW (200°)4.6 mphMostly Cloudy
1:52 AM77.0 °F71.1 °F82 %29.94 in10.0 miSouth (180°)5.8 mphMostly Cloudy
2:52 AM75.9 °F71.1 °F85 %29.93 in10.0 miSouth (180°)6.9 mphScattered Clouds
3:52 AM75.9 °F72.0 °F87 %29.91 in10.0 miSouth (170°)9.2 mphScattered Clouds
4:52 AM75.9 °F72.0 °F87 %29.90 in10.0 miSouth (180°)9.2 mphScattered Clouds
5:52 AM75.0 °F72.0 °F90 %29.91 in10.0 miSouth (190°)8.1 mphMostly Cloudy
6:52 AM75.0 °F72.0 °F90 %29.92 in10.0 miSouth (190°)5.8 mphMostly Cloudy
7:52 AM75.9 °F73.0 °F91 %29.91 in10.0 miSSW (210°)6.9 mphMostly Cloudy
7:59 AM77.0 °F73.4 °F89 %29.92 in10.0 miSW (220°)8.1 mphPartly Cloudy
8:52 AM78.1 °F73.0 °F84 %29.91 in10.0 miSouth (180°)6.9 mphScattered Clouds
9:52 AM81.0 °F73.9 °F79 %29.91 in10.0 miSSW (210°)8.1 mphScattered Clouds
10:52 AM82.0 °F75.0 °F79 %29.92 in10.0 miSSW (210°)8.1 mphMostly Cloudy
11:52 AM86.0 °F75.9 °F72 %29.91 in10.0 miSSW (210°)6.9 mphMostly Cloudy
12:52 PM89.1 °F75.9 °F65 %29.88 in10.0 miSSW (200°)5.8 mphMostly Cloudy
12:56 PM87.8 °F75.2 °F66 %29.89 in10.0 miSouth (180°)6.9 mphMostly Cloudy
1:06 PM84.2 °F73.4 °F70 %29.91 in2.0 miWest (270°)23.0 mph33.4 mph0.00 inRain-ThunderstormThunderstorms and Rain
1:09 PM77.0 °F71.6 °F83 %29.91 in0.5 miWNW (290°)24.2 mph33.4 mph0.07 inRain-ThunderstormHeavy Thunderstorms and Rain
1:13 PM75.2 °F73.4 °F94 %29.90 in0.2 miWest (280°)32.2 mph43.7 mph0.34 inFog-Rain-ThunderstormHeavy Thunderstorms and Rain
1:24 PM73.4 °F71.6 °F94 %29.93 in0.2 miNW (310°)5.8 mph39.1 mph0.96 inFog-Rain-ThunderstormHeavy Thunderstorms and Rain
1:30 PM73.4 °F73.4 °F100 %29.92 in2.0 miCalm1.13 inRain-ThunderstormHeavy Thunderstorms and Rain
1:32 PM75.2 °F73.4 °F94 %29.92 in2.0 miVariable3.5 mph1.13 inRain-ThunderstormHeavy Thunderstorms and Rain
1:39 PM75.2 °F73.4 °F94 %29.92 in2.0 miSSE (160°)3.5 mph1.14 inRain-ThunderstormLight Thunderstorms and Rain
1:43 PM75.2 °F73.4 °F94 %29.92 in3.0 miCalm1.14 inRain-ThunderstormLight Thunderstorms and Rain
1:52 PM75.9 °F73.9 °F94 %29.91 in7.0 miENE (70°)3.5 mph1.14 inMostly Cloudy
1:55 PM77.0 °F75.2 °F94 %29.92 in8.0 miENE (70°)3.5 mphMostly Cloudy
2:52 PM80.1 °F75.9 °F87 %29.88 in10.0 miSouth (180°)3.5 mph0.01 inMostly Cloudy
3:52 PM82.0 °F75.9 °F82 %29.86 in10.0 miSW (220°)6.9 mphOvercast
4:52 PM84.0 °F75.0 °F74 %29.86 in10.0 miSSW (200°)4.6 mphMostly Cloudy
5:52 PM84.9 °F73.9 °F69 %29.85 in10.0 miSSW (200°)3.5 mphMostly Cloudy
6:52 PM84.9 °F73.9 °F69 %29.85 in10.0 miSSW (210°)5.8 mphMostly Cloudy
7:52 PM81.0 °F75.9 °F85 %29.87 in10.0 miSSW (210°)9.2 mphMostly Cloudy
8:52 PM78.1 °F75.0 °F90 %29.88 in10.0 miSW (220°)3.5 mphMostly Cloudy
9:52 PM75.0 °F73.9 °F96 %29.91 in10.0 miCalmMostly Cloudy
10:52 PM75.0 °F70.0 °F84 %29.91 in10.0 miCalmScattered Clouds
11:52 PM73.9 °F63.0 °F68 %29.91 in10.0 miWNW (300°)4.6 mphPartly Cloudy
Hourly data recorded from KIAD, located miles away from Herndon, Virginia




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