Earliest and Latest Days of 80° F in Williston

This is a list of the earliest and latest days in the year with a high temperature of at least 80 °F in Williston, North Dakota history. It is based on NOAA data from the years 1894–2024.

Also see:

Earliest 80 degree day in Williston?

The earliest in the year that Williston, North Dakota had a high temperature of at least 80 °F is March 22 which happened in 1910.

Latest 80 degree day in Williston?

The latest in the year that Williston, North Dakota had a high temperature of at least 80 °F is October 28 which happened in 1937.

Earliest Days ≥ 80 °F

Date	Year	Temperature
March 22	1910	84 °F
April 7	2005	83 °F
April 8	2005	87 °F
April 8	1977	81 °F
April 9	2005	86 °F
April 9	1977	80 °F
April 9	1910	84 °F
April 10	1971	81 °F
April 11	2023	84 °F
April 11	1949	83 °F
April 12	2023	84 °F
April 12	2003	80 °F
April 13	2016	80 °F
April 13	2003	80 °F
April 13	1915	84 °F
April 13	1913	80 °F
April 13	1908	80 °F
April 14	2008	82 °F
April 14	1942	86 °F
April 14	1915	81 °F
April 14	1913	87 °F

Latest Days ≥ 80 °F

Date	Year	Temperature
October 28	1937	80 °F
October 22	2003	82 °F
October 22	1992	83 °F
October 22	1901	80 °F
October 21	2003	82 °F
October 21	1992	83 °F
October 21	1940	80 °F
October 19	2003	81 °F
October 19	2000	80 °F
October 19	1947	82 °F
October 19	1927	81 °F
October 18	2023	87 °F
October 18	2003	82 °F
October 18	2000	81 °F
October 17	2003	83 °F
October 17	1927	80 °F
October 17	1914	83 °F
October 16	1991	80 °F
October 16	1961	80 °F
October 16	1945	82 °F
October 16	1929	82 °F
October 16	1914	81 °F
October 16	1910	80 °F