Late First-Frost in Twin Cities
At 10:00 PM on October 28, the temperature at the Twin Cities International Airport dropped to 32 degrees F. This was the first temperature at, or below, freezing reported this autumn. A first-frost date of October 28 ties 2010 as the tenth latest autumn first-frost in a record that extends back to 1891. The late first-frost date was influenced by the urban heat island. All areas surrounding the Twin Cities metropolitan area reported their first frost earlier in the month.
Latest first-frost dates
1 11/7/1900
2 11/6/1958
3 11/5/1894
11/5/1940
5 11/2/1924
6 11/1/1921
11/1/1931
8 10/30/1973
9 10/29/1963
10 10/28/2010
10/28/2007
10/28/1953
10/28/1928
10/28/1910