HERNDON, VIRGINIA

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

WEATHER

Monthly - Summary

Hourly Data

SELECT A DAY

Number of Records: 213,900; Date Range: 1/1/95 - 3/22/16

PRINT THIS DATA

[ ← Previous Day ]
WEATHER ALMANAC - 26 FEBRUARY, 2015

[ Next Day → ]

[ °F ] °C

Weather Element	Average	High	Low
Temperature	-0.9 ^°C	1.1 ^°C (2:52 pm)	-2.2 ^°C (6:52 am)
Dewpoint	-5.1 ^°C	-3 ^°C (6:04 am)	-9 ^°C (3:40 am)
Humidity	75 ^%	93 ^% (6:04 am)	51 ^% (3:40 am)
Barometer	1014.6 ^hPa	1021 hPa (11:52 pm)	1011.9 hPa (3:40 am)
Wind Speed	8.7 ^km/h	18.5 ^km/h (9:03 am)

Weather Element	Average
Visibility	9.7 ^km
Wind Direction	ENE (78.8 °)

Weather Element	Total
Precipitation	3.56 ^mm
Heating Degree Days	18.9 (Base 18.3)

Averaged from 34 records on 26 February, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 26 FEBRUARY, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Precipitation	Events	Conditions
12:52 AM	0.6 ^°C	-8.3 ^°C	52 ^%	1013.9 hPa	16.1 ^km	South (170°)	7.4 ^km/h			Overcast
1:52 AM	0.6 ^°C	-7.8 ^°C	54 ^%	1013.2 hPa	16.1 ^km	SE (140°)	7.4 ^km/h			Overcast
2:52 AM	0 ^°C	-8.3 ^°C	54 ^%	1012.2 hPa	16.1 ^km	Calm				Overcast
3:40 AM	0 ^°C	-9 ^°C	51 ^%	1011.9 hPa	14.5 ^km	Calm		0 mm	Snow	Light Snow
3:52 AM	-0.6 ^°C	-6.1 ^°C	67 ^%	1012.2 hPa	4 ^km	ESE (120°)	7.4 ^km/h	0 mm	Snow	Light Snow
4:05 AM	-1 ^°C	-5 ^°C	75 ^%	1011.9 hPa	2.4 ^km	NE (50°)	9.3 ^km/h	0 mm	Snow	Light Snow
4:30 AM	-1 ^°C	-4 ^°C	80 ^%	1011.9 hPa	4 ^km	NNE (20°)	9.3 ^km/h	0 mm	Snow	Light Snow
4:52 AM	-1.7 ^°C	-3.3 ^°C	89 ^%	1012.5 hPa	1.9 ^km	North (10°)	7.4 ^km/h	0.25 mm	Snow	Light Snow
5:52 AM	-1.7 ^°C	-3.3 ^°C	89 ^%	1012.5 hPa	1.9 ^km	NNE (20°)	11.1 ^km/h	0.51 mm	Snow	Light Snow
6:04 AM	-2 ^°C	-3 ^°C	93 ^%	1012.2 hPa	1.6 ^km	NNE (20°)	11.1 ^km/h	0 mm	Snow	Light Snow
6:52 AM	-2.2 ^°C	-3.3 ^°C	92 ^%	1012.9 hPa	1.6 ^km	North (10°)	9.3 ^km/h		Snow	Light Snow
7:47 AM	-2 ^°C	-3 ^°C	93 ^%	1012.9 hPa	1.3 ^km	North (10°)	11.1 ^km/h	0.51 mm	Snow	Light Snow
7:52 AM	-1.7 ^°C	-3.3 ^°C	89 ^%	1013.2 hPa	0.8 ^km	North (10°)	11.1 ^km/h	0.51 mm	Fog-Snow	Snow
8:37 AM	-2 ^°C	-3 ^°C	93 ^%	1013.5 hPa	0.8 ^km	North (10°)	11.1 ^km/h	0.76 mm	Fog-Snow	Snow
8:52 AM	-1.7 ^°C	-3.3 ^°C	89 ^%	1013.5 hPa	1.3 ^km	NNE (20°)	14.8 ^km/h	1.02 mm	Snow	Light Snow
9:03 AM	-1 ^°C	-3 ^°C	86 ^%	1013.2 hPa	1.9 ^km	North (10°)	18.5 ^km/h	0 mm	Snow	Light Snow
9:06 AM	-2 ^°C	-3 ^°C	93 ^%	1013.2 hPa	2.4 ^km	North (10°)	18.5 ^km/h	0 mm	Snow	Light Snow
9:39 AM	-1 ^°C	-4 ^°C	80 ^%	1013.5 hPa	3.2 ^km	NNE (20°)	14.8 ^km/h	0 mm	Snow	Light Snow
9:52 AM	-1.1 ^°C	-3.9 ^°C	82 ^%	1013.9 hPa	4.8 ^km	NNE (20°)	16.7 ^km/h	0 mm	Snow	Light Snow
10:52 AM	-1.1 ^°C	-5 ^°C	75 ^%	1013.2 hPa	12.9 ^km	North (10°)	16.7 ^km/h	0 mm		Overcast
11:52 AM	-1 ^°C	-5 ^°C	75 ^%	1012.9 hPa	16.1 ^km	North (360°)	13 ^km/h			Overcast
12:52 PM	-1 ^°C	-5 ^°C	75 ^%	1012.5 hPa	14.5 ^km	NNW (340°)	14.8 ^km/h			Overcast
1:52 PM	0 ^°C	-5.6 ^°C	66 ^%	1013.9 hPa	16.1 ^km	NNW (330°)	14.8 ^km/h			Mostly Cloudy
2:12 PM	0 ^°C	-6 ^°C	64 ^%	1013.5 hPa	16.1 ^km	WNW (300°)	14.8 ^km/h			Mostly Cloudy
2:52 PM	1.1 ^°C	-6.1 ^°C	59 ^%	1014.6 hPa	16.1 ^km	NW (320°)	13 ^km/h			Scattered Clouds
3:52 PM	1.1 ^°C	-6.7 ^°C	56 ^%	1015.2 hPa	16.1 ^km	North (350°)	9.3 ^km/h			Overcast
4:52 PM	1.1 ^°C	-6.7 ^°C	56 ^%	1015.9 hPa	16.1 ^km	Calm				Overcast
5:52 PM	0.6 ^°C	-5.6 ^°C	64 ^%	1016.6 hPa	16.1 ^km	Calm				Mostly Cloudy
6:52 PM	-1.1 ^°C	-6.1 ^°C	69 ^%	1017.9 hPa	16.1 ^km	Calm				Mostly Cloudy
7:52 PM	-2.2 ^°C	-5.6 ^°C	78 ^%	1019 hPa	16.1 ^km	Calm				Overcast
8:52 PM	-2.2 ^°C	-5.6 ^°C	78 ^%	1019.3 hPa	16.1 ^km	Calm				Overcast
9:52 PM	-2 ^°C	-5 ^°C	80 ^%	1019.6 hPa	16.1 ^km	Calm				Overcast
10:52 PM	-1.1 ^°C	-5 ^°C	75 ^%	1020.7 hPa	14.5 ^km	Calm				Overcast
11:52 PM	-1.1 ^°C	-4.4 ^°C	79 ^%	1021 hPa	12.9 ^km	Calm				Overcast

Hourly data recorded from KIAD, located 0 kilometers away from Herndon, Virginia