HERNDON, VIRGINIA

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

WEATHER

Daily Averages

Hourly Data

SELECT A DAY

PRINT THIS DATA

[ ← Previous Day ]
DAILY WEATHER AVERAGE - 8 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	1.3 ^°C	6.2 ^°C	-3.8 ^°C	18.3 ^°C (2009)	-15 ^°C (2007)
Dewpoint	-5.8 ^°C	-2.7 ^°C	-8.9 ^°C	6.1 ^°C (2009)	-21.1 ^°C (2002)
Humidity	62.6 ^%	83 ^%	43.8 ^%		23 ^% (2002)
Barometer	1019.3 ^hPa	1023.4 ^hPa	1015.2 ^hPa	1035.9 ^hPa (2000)	1003 ^hPa (2011)
Wind Speed	11.1 ^km/h	24.5 ^km/h		51.8 ^km/h (2011)
Wind Gust		49.1 ^km/h		72.3 ^km/h (2013)
Precipitation	7.11 ^mm			9.91 ^mm (1997)

Weather Element	Average
Visibility	15.1 ^km
Wind Direction	SSW (214.6 °)

Weather Element	Total
Heating Degree Days	17.2 (Base 18.3)
Growing Degree Days	2.2 (Base 10)

Total Years on Record: 22

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT