Earliest and Latest Days of 80° F in Rockford

This is a list of the earliest and latest days in the year with a high temperature of at least 80 °F in Rockford, Illinois history. It is based on NOAA data from the years 1893–2024.

Also see:

Earliest 80 degree day in Rockford?

The earliest in the year that Rockford, Illinois had a high temperature of at least 80 °F is March 15 which happened in 2012.

Latest 80 degree day in Rockford?

The latest in the year that Rockford, Illinois had a high temperature of at least 80 °F is November 1 which happened in 1933.

Earliest Days ≥ 80 °F

Date	Year	Temperature
March 15	2012	82 °F
March 16	2012	80 °F
March 17	2012	82 °F
March 18	2012	81 °F
March 20	2012	83 °F
March 21	2012	84 °F
March 23	1939	82 °F
March 23	1928	80 °F
March 23	1907	80 °F
March 24	2017	80 °F
March 24	1939	80 °F
March 26	2007	80 °F
March 26	1907	81 °F
March 29	1998	80 °F
March 29	1986	85 °F
March 30	1943	80 °F
March 30	1910	82 °F
March 31	1986	84 °F
March 31	1981	81 °F
April 1	2010	84 °F
April 1	2003	81 °F

Latest Days ≥ 80 °F

Date	Year	Temperature
November 1	1933	81 °F
October 31	1950	84 °F
October 31	1935	80 °F
October 31	1933	82 °F
October 30	1950	83 °F
October 30	1924	80 °F
October 30	1922	82 °F
October 29	1922	81 °F
October 27	1940	83 °F
October 27	1927	84 °F
October 27	1922	81 °F
October 26	1963	81 °F
October 26	1927	83 °F
October 24	2023	81 °F
October 24	1963	80 °F
October 23	1963	83 °F
October 23	1914	80 °F
October 22	2022	80 °F
October 22	1975	80 °F
October 22	1963	82 °F
October 22	1953	83 °F
October 22	1947	85 °F
October 22	1920	82 °F
October 22	1908	80 °F