38.847°N, 77.034°W · station DCAthr · 1872–2026 · 155 years of record
The Almanac Ribbon
Every day of the year at Washington: the record high and record low ever set (outer lines), the everyday normal range (shaded band), and the full record envelope behind it.
Record highRecord lowNormal high–low band (1991–2020)hottest ever 106°F · coldest ever -15°F
Records by Month
Month
Record high
Record low
Jan
80°Jan 26, 2024
-14°Jan 1, 1881
Feb
84°Feb 25, 1930
-15°Feb 11, 1899
Mar
93°Mar 23, 1907
4°Mar 4, 1873
Apr
95°Apr 27, 1915
15°Apr 1, 1923
May
99°May 31, 1991
33°May 11, 1906
Jun
104°Jun 29, 2012
43°Jun 2, 1897
Jul
106°Jul 20, 1930
52°Jul 31, 1895
Aug
106°Aug 6, 1918
49°Aug 24, 1890
Sep
104°Sep 7, 1881
36°Sep 23, 1904
Oct
98°Oct 2, 2019
26°Oct 30, 1873
Nov
86°Nov 1, 1974
11°Nov 30, 1929
Dec
79°Dec 7, 1998
-13°Dec 31, 1880
All-time
106°Aug 6, 1918
-15°Feb 11, 1899
Longest-Standing Records
The daily records that have held the longest — set in the earliest years and never beaten since. Highs power Washington on hottestsince.com; lows on coldestsince.com.
Oldest-standing record highs
Date
Record
Set
Standing
Sep 9
98°
1872
154yrs
Dec 11
71°
1873
153yrs
Feb 22
77°
1874
152yrs
Jun 8
102°
1874
152yrs
Jun 28
101°
1874
152yrs
Aug 20
100°
1874
152yrs
Dec 22
71°
1875
151yrs
Jan 2
71°
1876
150yrs
May 16
92°
1877
149yrs
May 17
96°
1877
149yrs
Jul 15
102°
1879
147yrs
Oct 2
92°
1879
147yrs
Oldest-standing record lows
Date
Record
Set
Standing
Feb 1
6°
1872
154yrs
Mar 5
6°
1872
154yrs
Mar 21
16°
1872
154yrs
Sep 4
49°
1872
154yrs
Nov 30
14°
1872
154yrs
Dec 22
3°
1872
154yrs
Jan 29
2°
1873
153yrs
Jan 30
-6°
1873
153yrs
Feb 23
11°
1873
153yrs
Feb 24
1°
1873
153yrs
Mar 2
11°
1873
153yrs
Mar 3
4°
1873
153yrs
All-Time Extremes
Hottest ever
106°F
1918-08-06
Coldest ever
-15°F
1899-02-11
Longest heat streak
21 days
≥ 90°F · ended 1980-08-14
The Warming Trend
Washington's annual mean temperature, each year a stripe — blue below the 1991–2020 average, red above.
Days Above / Below the Mark
45 days ≥90°F in 2026 · normal 33 · record 67 in 1980
42 days ≤32°F in 2026 · normal 75 · record 118 in 1904
The Full Record
Every day of the year, record and normal high & low with the year each record was set. Type to filter, click a column to sort.