APRS/CWOP weather report from GW5770 – aprs.fi

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Comment:	AmbientCWOP.com
Location:	38°55.43' N 77°11.33' W - locator FM18JW71IR - show map 7.1 km East bearing 69° from Vienna, Fairfax County, Virginia, United States [?] 10.8 km Northeast bearing 64° from Oakton, Fairfax County, Virginia, United States 13.6 km West bearing 284° from Washington, D. C., Washington, D.C., United States 64.3 km Southwest bearing 231° from Baltimore, City of Baltimore, Maryland, United States
Last position:	2026-01-20 11:22:31 UTC (1m49s ago) 2026-01-20 06:22:31 EST local time at Vienna, United States [?]
Last WX report:	2026-01-20 11:17:29 UTC (6m51s ago) 2026-01-20 06:17:29 EST local time at Vienna, United States [?]
Temperature:	-7.8 °C
Dew point:	-17.7 °C
Humidity:	45 %
Pressure:	1027.8 mbar
Wind:	Northwest 318° 0.0 m/s (Gusts 0.4 m/s)
Rain:	0.0 mm during last 1 hour, 0.0 mm during last 24 hours, 0.0 mm since midnight
Luminosity:	0 W/m²

This page shows weather data collected mostly by privately owned and operated weather stations. Stations with a CW-prefixed, numbered callsign are taking part in the Citizen Weather Observer Program (CWOP). Most other weather stations are amateur radio operators with a weather station. Some information is also converted by individuals from publicly available sources like airport weather reports.