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
	(Apr 27 2024, 13:30)		Minimum		Maximum
Temperature	12.8°C		10.6°C @ 05:15		17.4°C @ 16:20
Dewpoint	8.1°C		-7.8°C @ 13:30		8.3°C @ 13:25
Humidity	73%		18% @ 13:30		74% @ 13:25
Pressure	1023 hPa		1021 hPa @ 15:55		1024 hPa @ 09:40
Aeronautical	1040 hPa		1037 hPa @ 15:55		1041 hPa @ 09:40
Wind Speed	1.8 m/s		0.7 m/s @ 10:50		3.9 m/s @ 00:45
Peak Gust	3.4 m/s		1.6 m/s @ 10:50		8.8 m/s @ 20:45
Wind Chill	12.8°C		7.3°C @ 00:45		17.4°C @ 16:55
Wind Dir	184° (from the S)
Rain	0.0 mm

The value -99.9 represents invalid or missing data.

Weather Plots (5-minute, metric units)

No field plots selected.

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
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• 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.