Grand Forks Consecutive 80 Degree Days

This page shows the record for the most days in a row in Grand Forks, North Dakota where the high temperature was at least 80 °F, from 1893–2024.
City:
Most days in a row where the
temperature was
Longest Streak: 40 Days
Between Jun 19 – Jul 28, 1974, the daily high temperature in Grand Forks was always at least 80 °F – a span of 40 days.
# Days When
40 Jun 19 – Jul 28, 1974
* 36 Jul 6 – Aug 20, 1983
33 Jun 24 – Jul 26, 1964
30 Jun 28 – Jul 27, 1989
30 Jun 10 – Jul 9, 1910
25 Jul 3–27, 1936
24 Jul 19 – Aug 11, 1941
* 24 Jul 7–31, 1894
23 Jul 21 – Aug 12, 2006
23 Jul 12 – Aug 3, 1988
23 May 23 – Jun 14, 1988
23 Jul 9–31, 1935
22 Jul 9–30, 2021
21 Aug 6–26, 2003
21 Jul 12 – Aug 1, 1910
20 Jul 14 – Aug 2, 1960
20 Jul 19 – Aug 7, 1939
19 Jul 14 – Aug 1, 2017
19 Jun 30 – Jul 18, 1980
18 Aug 14–31, 2013
Note: streaks marked with a (*) contain days with missing data