Alexandria, Virginia Local Weather National Science Foundation The following weather conditions were observed by the weather station at the National Science Foundation, Division of Atmospheric and Geospace Sciences in Alexandria, Virginia, USA.

	Most Recent		Previous 24 hours
	(May 9 2024, 21:40)		Minimum		Maximum
Temperature	17.6°C		17.5°C @ 21:20		25.8°C @ 21:40
Dewpoint	14.0°C		7.3°C @ 10:10		16.7°C @ 23:50
Humidity	80%		38% @ 11:20		80% @ 21:20
Pressure	997 hPa		996 hPa @ 18:25		1000 hPa @ 10:45
Aeronautical	1013 hPa		1012 hPa @ 18:25		1016 hPa @ 10:45
Wind Speed	1.5 m/s		0.2 m/s @ 22:20		4.0 m/s @ 12:10
Peak Gust	4.8 m/s		0.5 m/s @ 22:20		8.2 m/s @ 16:30
Wind Chill	17.6°C		16.8°C @ 21:10		25.8°C @ 21:40
Wind Dir	83° (from the E)
Rain	0.0 mm

The value -99.9 represents invalid or missing data.

Weather Plots (5-minute, metric units)

The realtime information is updated every five minutes. Weekly plots are generated just after 2 pm and 2 am (Eastern Time) every day, while monthly plots are only generated just after 2 am (Eastern Time).

More Links

• Weather station information
• Other weather links
• Data limitations
• NCAR Foothills Lab Weather Station
• NCAR Mesa Lab Weather Station

This www weather station was designed at the Earth Observing Laboratory
of the National Center for Atmospheric Research in Boulder, Colorado, USA, an
NSF funded organization.

Email the Station Administrator if you have administrative or operational questions.

Contact Nick Anderson nanderso@nsf.gov at NSF for more information.