Earliest and Latest Days of 90° F in Springfield

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Springfield, Illinois history. It is based on NOAA data from the years 1901–2024.

Also see:

Earliest 90 degree day in Springfield?

The earliest in the year that Springfield, Illinois had a high temperature of at least 90 °F is March 21 which happened in 1907.

Latest 90 degree day in Springfield?

The latest in the year that Springfield, Illinois had a high temperature of at least 90 °F is October 11 which happened in 1962.

Earliest Days ≥ 90 °F

Date	Year	Temperature
March 21	1907	91 °F
April 10	1930	90 °F
April 11	1930	90 °F
April 25	1986	90 °F
May 2	2018	90 °F
May 4	1952	90 °F
May 5	1959	91 °F
May 5	1952	92 °F
May 5	1949	90 °F
May 5	1943	93 °F
May 6	2012	90 °F
May 8	1963	91 °F
May 9	1963	93 °F
May 9	1934	93 °F
May 10	2022	90 °F
May 10	1963	91 °F
May 10	1928	92 °F
May 11	2022	94 °F
May 11	2011	91 °F
May 12	2022	93 °F
May 12	1956	92 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 11	1962	90 °F
October 8	1939	90 °F
October 7	2007	91 °F
October 7	1963	91 °F
October 6	1963	90 °F
October 3	2018	90 °F
October 3	2006	93 °F
October 3	1997	90 °F
October 3	1954	93 °F
October 2	2006	91 °F
October 2	1953	93 °F
October 1	2019	91 °F
October 1	1971	90 °F
September 30	1994	90 °F
September 30	1981	90 °F
September 30	1971	92 °F
September 30	1952	92 °F
September 30	1933	90 °F
September 29	1971	90 °F
September 29	1953	100 °F
September 29	1952	93 °F