Temperature for August 1990
In August 1990 the average high temperature in Seattle, WA was 79.6°F, and this was 2.9°F warmer than the average of 76.7°F. The hottest day in August 1990 was 12 August when the temperature reached 94.1°F. Overnight the average temperature in August is 54.7°F and in 1990 the average overnight temperature was 0.7°F warmer at 55.4°F.