Earliest and Latest Days of 90° F in Green Bay

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Green Bay, Wisconsin history. It is based on NOAA data from the years 1886–2024.

Also see:

Earliest 90 degree day in Green Bay?

The earliest in the year that Green Bay, Wisconsin had a high temperature of at least 90 °F is May 1 which happened in 1952.

Latest 90 degree day in Green Bay?

The latest in the year that Green Bay, Wisconsin had a high temperature of at least 90 °F is September 25 which happened in 2017.

Earliest Days ≥ 90 °F

Date	Year	Temperature
May 1	1952	90 °F
May 2	1959	91 °F
May 5	1949	90 °F
May 6	1934	92 °F
May 9	1934	92 °F
May 9	1895	90 °F
May 12	2022	94 °F
May 13	2022	92 °F
May 20	2012	90 °F
May 20	1972	90 °F
May 20	1948	90 °F
May 22	1921	91 °F
May 24	2010	90 °F
May 26	2018	92 °F
May 27	2018	97 °F
May 29	1991	90 °F
May 29	1895	91 °F
May 30	1939	92 °F
May 30	1937	90 °F
May 31	1988	90 °F
May 31	1934	99 °F
May 31	1925	90 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
September 25	2017	90 °F
September 24	2017	90 °F
September 24	1891	92 °F
September 23	2017	91 °F
September 23	1937	90 °F
September 23	1891	90 °F
September 22	2017	91 °F
September 22	1908	90 °F
September 22	1895	93 °F
September 22	1891	91 °F
September 21	1908	90 °F
September 21	1895	90 °F
September 20	1908	92 °F
September 20	1895	92 °F
September 20	1891	90 °F
September 19	1895	92 °F
September 18	1955	92 °F
September 18	1908	90 °F
September 17	2018	90 °F
September 17	1955	90 °F
September 17	1891	90 °F