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

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 Portage, Wisconsin history. It is based on NOAA data from the years 1889–2024.

Earliest freezing temperature in Portage?

The earliest in a winter season that Portage, Wisconsin has recorded a low temperature of 32 °F or below is September 2 which happened in 1967.

Latest freezing temperature in Portage?

The latest in a winter season that Portage, Wisconsin has recorded a low temperature of 32 °F or below is June 11 which happened in 1972.

Earliest Days ≤ 32 °F

Date	Year	Temperature
September 2	1967	32 °F
September 4	1974	31 °F
September 10	1967	29 °F
September 10	1917	32 °F
September 11	1967	32 °F
September 11	1898	30 °F
September 14	1974	31 °F
September 14	1923	32 °F
September 15	1966	31 °F
September 16	1984	32 °F
September 16	1982	32 °F
September 16	1974	32 °F
September 16	1966	30 °F
September 18	1973	32 °F
September 18	1929	31 °F
September 19	2012	32 °F
September 19	1982	31 °F
September 19	1979	32 °F
September 20	1973	29 °F
September 20	1969	32 °F
September 20	1897	31 °F
September 20	1896	31 °F

Latest Days ≤ 32 °F

Date	Year	Temperature
June 11	1972	30 °F
June 10	1972	29 °F
June 4	1969	32 °F
June 1	1966	31 °F
June 1	1897	31 °F
May 31	1966	30 °F
May 31	1897	31 °F
May 30	1966	31 °F
May 29	1966	30 °F
May 29	1965	26 °F
May 28	1971	31 °F
May 27	1971	28 °F
May 26	1983	29 °F
May 26	1979	31 °F
May 25	1979	31 °F
May 25	1976	32 °F
May 23	1969	32 °F
May 23	1963	32 °F
May 23	1917	30 °F
May 22	1971	31 °F
May 22	1967	27 °F