Herndon, VA Weather History | Weather Underground

Summary

Temperature (°F)	Actual	Historic Avg.	Record
High Temp	61	58	74
Low Temp	43	36	22
Day Average Temp	54.38	-	-

Precipitation (in)	Actual	Historic Avg.	Record
Precipitation	0	4.8	-

Dew Point (°F)	Actual	Historic Avg.	Record
Dew Point	32.71	-	-
High	40	-	-
Low	24	-	-
Average	32.71	-	-

Wind (mph)	Actual	Historic Avg.	Record
Max Wind Speed	21	-	-
Visibility	10	-	-

Sea Level Pressure (in)	Actual	Historic Avg.	Record
Sea Level Pressure	29.8	-	-

Astronomy	Day Length	Rise	Set
Actual Time	10h 7m	6:49 AM	4:57 PM
Civil Twilight		6:21 AM	5:25 PM
Nautical Twilight		5:49 AM	5:57 PM
Astronomical Twilight		5:17 AM	6:29 PM
Moon: Waxing gibbous		2:59 PM	2:44 AM

Time	Temperature	Dew Point	Humidity	Wind	Wind Speed	Wind Gust	Pressure	Condition
12:52 AM	61 °F	40 °F	46 %	NW	7 mph	-	29.54 in	Cloudy
1:52 AM	56 °F	40 °F	55 %	WNW	9 mph	-	29.54 in	Partly Cloudy
2:52 AM	60 °F	40 °F	47 %	WNW	14 mph	22 mph	29.57 in	Mostly Cloudy
3:52 AM	58 °F	40 °F	51 %	NW	15 mph	-	29.59 in	Mostly Cloudy
4:52 AM	57 °F	37 °F	47 %	NW	17 mph	25 mph	29.63 in	Fair
5:52 AM	55 °F	37 °F	51 %	NW	14 mph	-	29.67 in	Partly Cloudy
6:52 AM	52 °F	35 °F	53 %	NW	15 mph	22 mph	29.7 in	Fair
7:52 AM	53 °F	34 °F	48 %	NNW	14 mph	22 mph	29.74 in	Fair
8:52 AM	54 °F	34 °F	47 %	NNW	16 mph	25 mph	29.77 in	Partly Cloudy
9:52 AM	56 °F	34 °F	44 %	NNW	21 mph	31 mph	29.78 in	Partly Cloudy / Windy
10:52 AM	58 °F	35 °F	42 %	NW	16 mph	24 mph	29.8 in	Fair
11:52 AM	59 °F	35 °F	41 %	N	16 mph	25 mph	29.8 in	Fair
12:52 PM	59 °F	35 °F	41 %	NW	20 mph	25 mph	29.79 in	Fair
1:52 PM	61 °F	33 °F	35 %	NNW	16 mph	22 mph	29.81 in	Fair
2:52 PM	60 °F	32 °F	35 %	NNW	15 mph	23 mph	29.83 in	Fair
3:52 PM	58 °F	31 °F	36 %	NNW	15 mph	23 mph	29.85 in	Fair
4:52 PM	55 °F	29 °F	37 %	N	20 mph	26 mph	29.87 in	Fair
5:52 PM	53 °F	28 °F	38 %	N	12 mph	21 mph	29.91 in	Fair
6:52 PM	51 °F	28 °F	41 %	N	9 mph	-	29.94 in	Fair
7:52 PM	49 °F	28 °F	44 %	NNE	14 mph	-	29.96 in	Fair
8:52 PM	47 °F	26 °F	44 %	NNE	12 mph	-	29.99 in	Fair
9:52 PM	46 °F	25 °F	44 %	NNE	13 mph	21 mph	30.02 in	Fair
10:52 PM	44 °F	25 °F	47 %	N	10 mph	-	30.03 in	Fair
11:52 PM	43 °F	24 °F	47 %	N	9 mph	-	30.04 in	Fair