Earliest and Latest Days of 90° F in Fort Madison

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

Also see:

Earliest 90 degree day in Fort Madison?

The earliest in the year that Fort Madison, Iowa had a high temperature of at least 90 °F is April 28 which happened in 1894.

Latest 90 degree day in Fort Madison?

The latest in the year that Fort Madison, Iowa had a high temperature of at least 90 °F is October 7 which happened in 1963.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 28	1894	90 °F
April 30	1895	93 °F
May 9	1895	90 °F
May 10	1963	90 °F
May 10	1895	95 °F
May 11	2007	91 °F
May 12	2022	90 °F
May 12	1956	90 °F
May 13	2022	91 °F
May 13	1956	91 °F
May 18	1964	90 °F
May 19	1962	90 °F
May 20	1987	90 °F
May 20	1962	90 °F
May 20	1893	90 °F
May 22	1964	90 °F
May 22	1962	90 °F
May 23	1975	90 °F
May 23	1972	90 °F
May 23	1962	91 °F
May 23	1956	90 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 7	1963	90 °F
October 3	2006	91 °F
October 2	1953	92 °F
October 1	1971	90 °F
September 30	2023	91 °F
September 29	1971	92 °F
September 29	1953	96 °F
September 28	1971	91 °F
September 28	1953	95 °F
September 27	1956	90 °F
September 26	1953	90 °F
September 25	2017	91 °F
September 24	2017	95 °F
September 23	2017	99 °F
September 23	2007	91 °F
September 23	2005	90 °F
September 22	2017	92 °F
September 22	2005	90 °F
September 20	2022	90 °F
September 20	2018	90 °F
September 20	2017	90 °F
September 20	2016	90 °F
September 20	2007	91 °F
September 20	1895	91 °F