wa8814-day weather forecast for WA88. Tonht. Tonht, it will bee mostly cloudy for a time at first but lengthy clear spells will develop from the north during the early hours.IFR Chart of WA88. Enroute Charts at . Location Information for WA88. Coordinates: N48°53.57' W122°33.41' Located 03 miles NE of Ferndale, Washington on 2