Help shape the future of Weather Underground. Join our Discord! You are currently viewing the new Weather Underground website. To go back to the old site, .

Home

My Profile

Favorites

Elev 114 ft, 38.960 °N 77.382 °W

Herndon, VA

Herndon Station

Summary

Temperature (°F)	Actual	Historic Avg.	Record
High Temp	85	87	101
Low Temp	70	66	49
Day Average Temp	74.27	-	-

Precipitation (in)	Actual	Historic Avg.	Record
Precipitation	0	4.5	-

Dew Point (°F)	Actual	Historic Avg.	Record
Dew Point	71.36	-	-
High	73	-	-
Low	70	-	-
Average	71.36	-	-

Wind (mph)	Actual	Historic Avg.	Record
Max Wind Speed	7	-	-
Visibility	10	-	-

Sea Level Pressure (in)	Actual	Historic Avg.	Record
Sea Level Pressure	29.73	-	-

Astronomy	Day Length	Rise	Set
Actual Time	13h 56m	6:16 AM	8:12 PM
Civil Twilight		5:47 AM	8:42 PM
Nautical Twilight		5:12 AM	9:17 PM
Astronomical Twilight		4:33 AM	9:55 PM
Moon: Waning crescent		1:11 AM	5:11 PM

Daily Observations

Time	Temperature	Dew Point	Humidity	Wind	Wind Speed	Wind Gust	Pressure	Precip.	Condition
12:52 AM	73 °F	72 °F	96 %	S	3 mph	-	29.73 in	0 in	Mostly Cloudy
1:52 AM	72 °F	71 °F	97 %	SSE	5 mph	-	29.71 in	0 in	Fair
2:52 AM	72 °F	71 °F	97 %	SE	5 mph	-	29.7 in	0 in	Fair
3:52 AM	71 °F	71 °F	100 %	CALM	0 mph	-	29.71 in	0 in	Fair
4:52 AM	71 °F	70 °F	96 %	CALM	0 mph	-	29.72 in	0 in	Fair
5:52 AM	70 °F	70 °F	100 %	CALM	0 mph	-	29.73 in	0 in	Fair
6:52 AM	71 °F	70 °F	96 %	SSW	5 mph	-	29.74 in	0 in	Fair
7:52 AM	74 °F	73 °F	97 %	SSW	5 mph	-	29.74 in	0 in	Fair
8:52 AM	77 °F	73 °F	88 %	CALM	0 mph	-	29.75 in	0 in	Partly Cloudy
9:52 AM	81 °F	72 °F	74 %	SSW	6 mph	-	29.74 in	0 in	Partly Cloudy
10:52 AM	85 °F	72 °F	65 %	SSW	7 mph	-	29.74 in	0 in	Fair

Our Apps About Us Contact Careers Weather Data APIs

PWS Network Wundermap Feedback & Support

Terms of Use Privacy Policy Cookie Notice Accessibility Statement AdChoices Data Vendors

essentialaccessibility.com

We recognize our responsibility to use data and technology for good. We may use or share your data with our data vendors. Take control of your data.

Review All Privacy and Ad Settings

Choose how my information is shared

Data Rights

The Weather Company The Weather Channel Weather Underground Storm Radar

© The Weather Company, LLC 2026