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 1 2017, 15:19) Minimum Maximum
Temperature 19.9°C 9.0°C @ 07:04 20.7°C @ 15:04
Dewpoint 5.0°C 2.9°C @ 18:23 5.9°C @ 13:14
Humidity 38% 34% @ 15:04 68% @ 07:04
Pressure 1011 hPa 1008 hPa @ 15:43 1014 hPa @ 10:04
Aeronautical 1027 hPa 1024 hPa @ 15:43 1030 hPa @ 10:04
Wind Speed 0.6 m/s 0.2 m/s @ 12:49 6.9 m/s @ 17:23
Peak Gust 0.6 m/s 0.2 m/s @ 12:49 7.0 m/s @ 17:23
Wind Chill 19.9°C 5.7°C @ 07:29 20.7°C @ 15:04
Wind Dir 172° (from the S)
Rain 0.0 mm

The value -99.9 represents invalid or missing data.

Weather Plots (5-minute, metric units)

Temperature plot Humidity plot Pressure plot Wind speed plot Wind direction plot Rain plot

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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 at NSF for more information.