Herndon, VA Weather History | Weather Underground

Summary

Temperature (°F)	Actual	Historic Avg.	Record
High Temp	91	87	96
Low Temp	76	66	50
Day Average Temp	80.7	-	-

Precipitation (in)	Actual	Historic Avg.	Record
Precipitation	0.12	4.5	-

Dew Point (°F)	Actual	Historic Avg.	Record
Dew Point	73.7	-	-
High	75	-	-
Low	70	-	-
Average	73.7	-	-

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

Sea Level Pressure (in)	Actual	Historic Avg.	Record
Sea Level Pressure	29.78	-	-

Astronomy	Day Length	Rise	Set
Actual Time	14h 0m	6:14 AM	8:15 PM
Civil Twilight		5:45 AM	8:44 PM
Nautical Twilight		5:09 AM	9:20 PM
Astronomical Twilight		4:31 AM	9:58 PM
Moon: Waning crescent		-	2:48 PM

Time	Temperature	Dew Point	Humidity	Wind	Wind Speed	Wind Gust	Pressure	Precip.	Condition
12:52 AM	77 °F	73 °F	88 %	SSW	7 mph	-	29.78 in	0 in	Fair
1:52 AM	78 °F	73 °F	84 %	SSW	8 mph	-	29.76 in	0 in	Fair
2:52 AM	77 °F	74 °F	90 %	S	10 mph	-	29.75 in	0 in	Fair
3:52 AM	77 °F	74 °F	90 %	SSW	8 mph	-	29.75 in	0 in	Fair
4:52 AM	76 °F	74 °F	94 %	S	9 mph	-	29.75 in	0 in	Fair
5:52 AM	76 °F	73 °F	91 %	SW	6 mph	-	29.76 in	0 in	Fair
6:52 AM	76 °F	74 °F	94 %	SSW	9 mph	-	29.77 in	0 in	Fair
7:37 AM	77 °F	74 °F	90 %	S	9 mph	-	29.79 in	0 in	Mostly Cloudy
7:52 AM	77 °F	74 °F	90 %	S	8 mph	-	29.79 in	0 in	Mostly Cloudy
8:52 AM	78 °F	74 °F	87 %	SSW	8 mph	-	29.79 in	0 in	Mostly Cloudy
9:02 AM	79 °F	74 °F	84 %	SSW	7 mph	-	29.79 in	0 in	Mostly Cloudy
9:52 AM	82 °F	75 °F	79 %	VAR	3 mph	-	29.8 in	0 in	Fair
10:52 AM	85 °F	75 °F	72 %	WSW	5 mph	-	29.8 in	0 in	Partly Cloudy
11:10 AM	86 °F	75 °F	70 %	WNW	8 mph	-	29.8 in	0 in	Mostly Cloudy
11:52 AM	87 °F	74 °F	65 %	VAR	3 mph	-	29.8 in	0 in	Partly Cloudy
12:52 PM	87 °F	74 °F	65 %	VAR	5 mph	-	29.79 in	0 in	Partly Cloudy
1:52 PM	88 °F	72 °F	59 %	CALM	0 mph	-	29.78 in	0 in	Mostly Cloudy
2:52 PM	91 °F	73 °F	55 %	SSW	9 mph	-	29.77 in	0 in	Mostly Cloudy
3:52 PM	81 °F	70 °F	69 %	N	9 mph	22 mph	29.77 in	0 in	Mostly Cloudy
4:52 PM	79 °F	75 °F	88 %	CALM	0 mph	-	29.77 in	0.12 in	Light Rain