Herndon, VA Weather History | Weather Underground

Summary

Temperature (°F)	Actual	Historic Avg.	Record
High Temp	82	83	100
Low Temp	61	61	45
Day Average Temp	71.79	-	-

Precipitation (in)	Actual	Historic Avg.	Record
Precipitation	0	3.5	-

Dew Point (°F)	Actual	Historic Avg.	Record
Dew Point	59.42	-	-
High	62	-	-
Low	56	-	-
Average	59.42	-	-

Wind (mph)	Actual	Historic Avg.	Record
Max Wind Speed	10	-	-
Visibility	10	-	-

Sea Level Pressure (in)	Actual	Historic Avg.	Record
Sea Level Pressure	29.64	-	-

Astronomy	Day Length	Rise	Set
Actual Time	12h 49m	6:42 AM	7:32 PM
Civil Twilight		6:15 AM	7:59 PM
Nautical Twilight		5:43 AM	8:31 PM
Astronomical Twilight		5:10 AM	9:04 PM
Moon: Waning crescent		1:10 AM	4:56 PM

Time	Temperature	Dew Point	Humidity	Wind	Wind Speed	Wind Gust	Pressure	Condition
12:52 AM	70 °F	61 °F	73 %	NE	5 mph	-	29.57 in	Partly Cloudy
1:52 AM	70 °F	60 °F	71 %	NNE	6 mph	-	29.57 in	Fair
2:52 AM	65 °F	62 °F	90 %	WNW	3 mph	-	29.57 in	Fair
3:52 AM	66 °F	62 °F	87 %	N	6 mph	-	29.58 in	Fair
4:52 AM	64 °F	62 °F	93 %	WNW	3 mph	-	29.58 in	Fair
5:52 AM	62 °F	61 °F	96 %	CALM	0 mph	-	29.6 in	Fair
6:52 AM	61 °F	59 °F	93 %	CALM	0 mph	-	29.63 in	Fair
7:52 AM	67 °F	59 °F	76 %	NNE	6 mph	-	29.63 in	Fair
8:52 AM	69 °F	59 °F	70 %	NNE	9 mph	-	29.65 in	Fair
9:52 AM	72 °F	60 °F	66 %	NNE	6 mph	-	29.66 in	Fair
10:52 AM	75 °F	61 °F	62 %	NE	9 mph	-	29.66 in	Fair
11:52 AM	78 °F	61 °F	56 %	N	8 mph	-	29.66 in	Fair
12:52 PM	79 °F	60 °F	52 %	NNE	10 mph	-	29.65 in	Partly Cloudy
1:52 PM	80 °F	58 °F	47 %	NE	9 mph	17 mph	29.64 in	Partly Cloudy
2:52 PM	82 °F	58 °F	44 %	ENE	6 mph	-	29.63 in	Partly Cloudy
3:52 PM	81 °F	56 °F	42 %	NE	8 mph	16 mph	29.62 in	Partly Cloudy
4:52 PM	78 °F	56 °F	46 %	NE	9 mph	-	29.63 in	Partly Cloudy
5:52 PM	80 °F	58 °F	47 %	NE	7 mph	-	29.63 in	Fair
6:52 PM	78 °F	56 °F	46 %	NNE	10 mph	18 mph	29.64 in	Fair
7:52 PM	75 °F	58 °F	55 %	NNE	8 mph	-	29.65 in	Fair
8:52 PM	73 °F	59 °F	61 %	NNE	9 mph	-	29.68 in	Fair
9:52 PM	69 °F	60 °F	73 %	ESE	5 mph	-	29.71 in	Fair
10:52 PM	65 °F	60 °F	84 %	CALM	0 mph	-	29.72 in	Partly Cloudy
11:52 PM	64 °F	60 °F	87 %	CALM	0 mph	-	29.72 in	Fair