National Science Foundation Weather
Arlington, Virginia Local Weather Data

Arlington, Virginia Local Weather        National Science Foundation


The following weather conditions were observed by the Cliffometer at the National Science Foundation Division of Atmospheric Sciences in Arlington, Virginia, USA.
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Note: The current weather observation is more than thirty minutes old. The weather station may be down or undergoing maintenance, but will be returned to service as soon as possible. Thank you.

Most Recent Previous 24 hours
(Oct 21 2014, 22:29) Minimum Maximum
Temperature 11.4°C 11.4°C @ 22:29 20.2°C @ 13:54
Dewpoint 8.7°C 6.3°C @ 15:14 10.0°C @ 17:54
Humidity 83% 41% @ 15:14 83% @ 22:29
Pressure 997 hPa 993 hPa @ 15:49 999 hPa @ 23:04
Aeronautical 1013 hPa 1009 hPa @ 15:49 1014 hPa @ 23:04
Wind Speed 3.8 m/s 0.6 m/s @ 07:39 3.8 m/s @ 22:29
Peak Gust 6.8 m/s 1.4 m/s @ 07:39 7.5 m/s @ 23:19
Wind Chill 7.5°C 7.5°C @ 22:29 20.2°C @ 13:54
Wind Dir 203° (from the SSW)
Rain 4.9 mm

The value -99.9 represents invalid or missing data.


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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

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 Cliff Jacobs cjacobs@nsf.gov at NSF for more information.