Aviation Digital Data Service (ADDS)

Output produced by METARs form (1016 UTC 27 March 2015)
found at http://www.aviationweather.gov/adds/metars/
 
KDCA 271015Z 2710/2806 35010KT 5SM -RA SCT015 OVC040 
     FM271300 36006KT 5SM -RA OVC040 
     FM271600 01007KT P6SM OVC045