Earliest and Latest Days at or Below 32° F in Rockford

This is a list of the earliest and latest days in a winter season where the low temperature fell to at least 32 °F in Rockford, Illinois history. It is based on NOAA data from the years 1893–2024.

Earliest freezing temperature in Rockford?

The earliest in a winter season that Rockford, Illinois has recorded a low temperature of 32 °F or below is September 13 which happened in 1975.

Latest freezing temperature in Rockford?

The latest in a winter season that Rockford, Illinois has recorded a low temperature of 32 °F or below is May 27 which happened in 1992.

Earliest Days ≤ 32 °F

Date	Year	Temperature
September 13	1975	32 °F
September 14	1923	30 °F
September 18	1929	32 °F
September 18	1916	32 °F
September 20	1956	30 °F
September 22	1995	32 °F
September 22	1976	30 °F
September 22	1974	31 °F
September 22	1913	32 °F
September 23	1995	29 °F
September 23	1983	30 °F
September 23	1974	29 °F
September 23	1896	32 °F
September 24	2012	31 °F
September 24	1989	30 °F
September 24	1976	28 °F
September 24	1950	32 °F
September 25	1942	27 °F
September 26	1984	32 °F
September 26	1975	32 °F
September 26	1947	32 °F
September 26	1940	32 °F
September 26	1937	32 °F
September 26	1928	27 °F
September 26	1926	26 °F

Latest Days ≤ 32 °F

Date	Year	Temperature
May 27	1992	30 °F
May 26	1925	32 °F
May 25	1925	29 °F
May 23	1963	32 °F
May 23	1931	32 °F
May 23	1917	30 °F
May 21	2002	29 °F
May 20	2002	32 °F
May 20	1924	31 °F
May 19	1929	31 °F
May 18	2002	31 °F
May 17	1930	32 °F
May 16	1997	29 °F
May 16	1967	32 °F
May 16	1921	30 °F
May 15	2016	31 °F
May 15	1926	31 °F
May 13	1938	32 °F
May 13	1923	32 °F
May 12	1981	29 °F
May 12	1938	30 °F
May 12	1928	30 °F