Washington D.C. Consecutive 90 Degree Days

This page shows the record for the most days in a row in Washington D.C., District of Columbia where the high temperature was at least 90 °F, from 1851–2023.
City:
Most days in a row where the
temperature was
Longest Streak: 21 Days
Between Jul 29 – Aug 18, 1988, the daily high temperature in Washington D.C. was always at least 90 °F – a span of 21 days.
# Days When
21 Jul 29 – Aug 18, 1988
21 Jul 25 – Aug 14, 1980
20 Jun 26 – Jul 15, 2020
18 Jul 22 – Aug 8, 1999
18 Jun 27 – Jul 14, 1872
16 Jul 18 – Aug 2, 2011
16 Jul 3–18, 1993
15 Jul 26 – Aug 9, 1983
14 Jul 23 – Aug 5, 1995
14 Jun 13–26, 1994