APRS/CWOP weather report from K2MRS – aprs.fi

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Location:	37°52.47' N 122°09.49' W - locator CM87WU19AV - show map 3.7 km West bearing 250° from Lafayette, Contra Costa County, California, United States [?] 7.3 km West bearing 261° from Saranap, Contra Costa County, California, United States 25.5 km Northeast bearing 64° from San Francisco, San Francisco County, California, United States 63.8 km North bearing 339° from San Jose, Santa Clara County, California, United States
Last position:	2025-07-20 03:55:11 UTC (3d 22h58m ago) 2025-07-19 20:55:11 PDT local time at Lafayette, United States [?]
Last WX report:	2025-07-20 03:50:10 UTC (3d 23h3m ago) 2025-07-19 20:50:10 PDT local time at Lafayette, United States [?]
Temperature:	15.0 °C
Dew point:	11.8 °C
Humidity:	81 %
Pressure:	1015.2 mbar
Wind:	West 256° 0.0 m/s (Gusts 0.0 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.