Earliest and Latest Days of 90° F in Oshkosh

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

Also see:

Earliest 90 degree day in Oshkosh?

The earliest in the year that Oshkosh, Wisconsin had a high temperature of at least 90 °F is April 22 which happened in 1980.

Latest 90 degree day in Oshkosh?

The latest in the year that Oshkosh, Wisconsin had a high temperature of at least 90 °F is October 6 which happened in 1963.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 22	1980	91 °F
May 1	1952	91 °F
May 2	1959	90 °F
May 5	1949	91 °F
May 6	1934	93 °F
May 9	1934	96 °F
May 13	2022	93 °F
May 14	2022	93 °F
May 19	1977	90 °F
May 19	1934	93 °F
May 20	1972	90 °F
May 20	1934	93 °F
May 22	1925	90 °F
May 22	1921	91 °F
May 23	1925	90 °F
May 24	1950	92 °F
May 25	2010	94 °F
May 25	1911	90 °F
May 26	1914	90 °F
May 27	2018	91 °F
May 27	1914	90 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 6	1963	90 °F
September 28	1952	91 °F
September 26	2017	91 °F
September 25	2017	90 °F
September 25	1920	91 °F
September 24	2017	92 °F
September 23	2017	91 °F
September 23	1937	93 °F
September 23	1930	92 °F
September 22	1937	93 °F
September 22	1895	91 °F
September 20	1940	90 °F
September 20	1931	90 °F
September 20	1908	92 °F
September 20	1895	92 °F
September 19	1932	91 °F
September 19	1930	90 °F
September 19	1908	90 °F
September 19	1895	90 °F
September 18	1955	93 °F
September 18	1947	90 °F
September 18	1908	91 °F