Earliest and Latest Days of 100° F in Pendleton

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Pendleton, Oregon history. It is based on NOAA data from the years 1892–2024.

Also see:

Earliest 100 degree day in Pendleton?

The earliest in the year that Pendleton, Oregon had a high temperature of at least 100 °F is May 12 which happened in 1931.

Latest 100 degree day in Pendleton?

The latest in the year that Pendleton, Oregon had a high temperature of at least 100 °F is September 11 which happened in 1899.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 12	1931	102 °F
May 28	1934	100 °F
May 29	1897	103 °F
May 30	1931	102 °F
May 31	1986	100 °F
June 2	2021	100 °F
June 6	2016	100 °F
June 6	1931	103 °F
June 7	1931	104 °F
June 8	2015	102 °F
June 9	1918	103 °F
June 10	1910	104 °F
June 11	1934	103 °F
June 11	1911	100 °F
June 14	1974	100 °F
June 14	1933	103 °F
June 15	1961	101 °F
June 16	1961	106 °F
June 16	1916	101 °F
June 17	1961	108 °F
June 17	1916	100 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 11	1899	100 °F
September 7	1932	100 °F
September 6	1955	102 °F
September 4	1934	100 °F
September 3	2003	100 °F
September 3	1998	100 °F
September 3	1934	100 °F
September 3	1931	102 °F
September 3	1930	104 °F
September 2	2022	104 °F
September 2	1950	101 °F
September 1	1998	100 °F
September 1	1893	102 °F
August 31	1967	101 °F
August 31	1911	101 °F
August 31	1893	101 °F
August 30	2022	100 °F
August 30	2007	101 °F
August 30	1967	103 °F
August 30	1916	101 °F
August 30	1915	103 °F