Earliest and Latest Days of 90° F in Olney

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Olney, Illinois history. It is based on NOAA data from the years 1893–2024.

Also see:

Earliest 90 degree day in Olney?

The earliest in the year that Olney, Illinois had a high temperature of at least 90 °F is April 11 which happened in 1930.

Latest 90 degree day in Olney?

The latest in the year that Olney, Illinois had a high temperature of at least 90 °F is October 22 which happened in 1953.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 11	1930	91 °F
April 24	1925	90 °F
May 1	1951	90 °F
May 2	1959	90 °F
May 3	1902	90 °F
May 4	1959	91 °F
May 4	1949	90 °F
May 5	1959	93 °F
May 5	1952	91 °F
May 6	1949	92 °F
May 6	1936	90 °F
May 7	2012	90 °F
May 7	1936	90 °F
May 8	1936	90 °F
May 8	1930	90 °F
May 8	1897	90 °F
May 9	1936	90 °F
May 9	1934	91 °F
May 10	1936	90 °F
May 10	1928	91 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 22	1953	90 °F
October 21	1953	90 °F
October 20	1963	90 °F
October 19	1953	90 °F
October 18	1938	90 °F
October 18	1920	90 °F
October 15	1938	90 °F
October 15	1897	90 °F
October 13	1940	90 °F
October 13	1928	93 °F
October 11	1963	92 °F
October 11	1938	90 °F
October 11	1928	90 °F
October 9	2007	91 °F
October 9	1939	94 °F
October 8	2007	92 °F
October 8	1939	94 °F
October 7	1963	90 °F
October 7	1939	93 °F
October 6	1946	92 °F
October 6	1944	90 °F
October 6	1941	91 °F
October 6	1940	90 °F
October 6	1939	92 °F