El Cajon Consecutive 100 Degree Days

This page shows the record for the most days in a row in El Cajon, California where the high temperature was at least 100 °F, from 1899–2024.
City:
Most days in a row where the
temperature was
Longest Streak: 8 Days
Between Aug 31 – Sep 7, 1955, the daily high temperature in El Cajon was always at least 100 °F – a span of 8 days.
# Days When
8 Aug 31 – Sep 7, 1955
7 Sep 3–9, 1952
* 6 Sep 3–10, 2006
6 Sep 17–22, 1939
5 Aug 29 – Sep 2, 2017
5 Aug 27–31, 1995
5 Aug 31 – Sep 4, 1947
5 Jul 8–12, 1940
5 Jun 14–18, 1917
4 Sep 29 – Oct 2, 2020
4 Sep 13–16, 2014
4 Aug 26–29, 2009
* 4 Jul 19–23, 2008
4 Jun 25–28, 2006
4 Aug 11–14, 1994
* 4 Jun 30 – Jul 4, 1985
4 Aug 5–8, 1983
4 Sep 1–4, 1982
4 Aug 24–27, 1981
4 Oct 15–18, 1958
Note: streaks marked with a (*) contain days with missing data