Earliest and Latest Days of 90° F in Ephrata

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Ephrata, Washington history. It is based on NOAA data from the years 1903–2024.

Also see:

Earliest 90 degree day in Ephrata?

The earliest in the year that Ephrata, Washington had a high temperature of at least 90 °F is April 20 which happened in 1934.

Latest 90 degree day in Ephrata?

The latest in the year that Ephrata, Washington had a high temperature of at least 90 °F is October 2 which happened in 1935.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 20	1934	90 °F
April 21	1934	93 °F
April 22	1934	93 °F
April 24	1977	94 °F
April 25	1910	90 °F
April 26	1910	90 °F
April 27	1987	90 °F
April 27	1910	90 °F
April 28	1926	92 °F
April 29	1926	93 °F
April 30	1998	90 °F
May 1	1998	90 °F
May 4	1966	90 °F
May 5	1966	96 °F
May 6	1998	90 °F
May 6	1992	92 °F
May 6	1987	91 °F
May 6	1947	90 °F
May 7	1994	92 °F
May 7	1987	96 °F
May 7	1947	90 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 2	1935	90 °F
September 28	1967	90 °F
September 28	1963	94 °F
September 27	1994	94 °F
September 27	1963	92 °F
September 27	1942	90 °F
September 26	1963	90 °F
September 26	1952	90 °F
September 26	1942	90 °F
September 25	1997	90 °F
September 25	1962	91 °F
September 25	1952	92 °F
September 25	1943	93 °F
September 25	1942	90 °F
September 24	2011	91 °F
September 24	1994	91 °F
September 24	1987	90 °F
September 24	1974	90 °F
September 24	1952	91 °F
September 24	1947	90 °F
September 24	1943	90 °F
September 24	1942	93 °F