Washington D.C. Consecutive 90 Degree Days
This page shows the record for the most days in a row in
Washington D.C. where the
high temperature was
at least 90 °F, from 1851–2024.
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 |
| 14 |
Jul 18–31, 1987 |
| 14 |
Aug 24 – Sep 6, 1980 |
| 14 |
Aug 6–19, 1900 |
| 13 |
Jul 21 – Aug 2, 2016 |
| 13 |
Jul 24 – Aug 5, 2015 |
| 13 |
Jul 27 – Aug 8, 2006 |
| 13 |
Jul 22 – Aug 3, 1873 |
| 12 |
Jul 11–22, 2019 |
| 12 |
Aug 10–21, 2016 |
| 12 |
Jul 14–25, 2010 |