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 - 21 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	19.4 ^°C	25.3 ^°C	13.5 ^°C	32.2 ^°C (1998)	6.7 ^°C (2006)
Dewpoint	13.7 ^°C	16.7 ^°C	10.8 ^°C	23 ^°C (1998)	4 ^°C (2005)
Humidity	72.5 ^%	93.9 ^%	48.3 ^%		22 ^% (2005)
Barometer	1018.3 ^hPa	1021 ^hPa	1015.9 ^hPa	1027.4 ^hPa (2004)	1004.1 ^hPa (2014)
Wind Speed	8.5 ^km/h	18.3 ^km/h		27.8 ^km/h (2000)
Wind Gust		34.8 ^km/h		40.7 ^km/h (2000)
Precipitation	28.7 ^mm			93.73 ^mm (2013)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	S (178.1 °)

Total Years on Record: 20

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT