The highest temperature so far this summer in Washington was reached on Monday. According to the National Weather Service of the Quad Cities, Washington thermometers saw a high temperature of 95 degrees fahrenheit. The record high temperature for July 27th in Washington was 113 degrees that was seen in 1936. So far this month, the average temperature in Washington has been about three degrees above normal. Total precipitation has been observed at just under two inches, approximately 1.7 inches below normal.