Home / United States / District of Columbia / Washington District of Columbia · THREADEX · 1872–2026
Washington, DC 38.847°N, 77.034°W · station DCAthr · 155 years of record
100°F
HOTTEST JUL 15 SINCE 2024
forecast high · Jul 15
NWS NDFD forecast high temperature for Washington.
86° MON 7/13 92° TUE 7/14 100° WED 7/15 99° THU 7/16 97° FRI 7/17 96° SAT 7/18 93° SUN 7/19 This Day in History · Jul 15
Today ranks #2 / 154
warmest Jul 15 in 154 yrs of record
Hottest Jul 15 ever 101°F
set in 2024
Coolest Jul 15 ever 68°F
set in 1926
Hottest Jul 15 — Year by Year
Every year's high on Jul 15 at Washington. The forecast line shows where today lands; the ringed bar is the hottest on record.
68 84 101 1872: 96°F 1873: 92°F 1874: 98°F 1875: 90°F 1876: 91°F 1877: 92°F 1878: 90°F 1879: 98°F 1880: 94°F 1881: 84°F 1882: 85°F 1883: 88°F 1884: 80°F 1885: 86°F 1886: 76°F 1887: 90°F 1888: 79°F 1889: 83°F 1890: 90°F 1891: 89°F 1892: 84°F 1893: 85°F 1894: 90°F 1895: 78°F 1896: 88°F 1897: 84°F 1898: 89°F 1899: 86°F 1900: 94°F 1901: 88°F 1902: 91°F 1903: 73°F 1904: 79°F 1905: 88°F 1906: 79°F 1907: 82°F 1908: 96°F 1909: 92°F 1910: 90°F 1911: 92°F 1912: 94°F 1913: 79°F 1914: 89°F 1915: 88°F 1916: 89°F 1917: 84°F 1918: 89°F 1919: 82°F 1920: 91°F 1921: 87°F 1922: 80°F 1923: 91°F 1924: 80°F 1925: 85°F 1926: 68°F 1927: 94°F 1928: 83°F 1929: 77°F 1930: 77°F 1931: 94°F 1932: 92°F 1933: 79°F 1934: 97°F 1935: 86°F 1936: 96°F 1937: 93°F 1938: 90°F 1939: 81°F 1940: 80°F 1941: 82°F 1942: 85°F 1943: 94°F 1944: 83°F 1945: 75°F 1946: 86°F 1947: 81°F 1948: 78°F 1949: 87°F 1950: 73°F 1951: 87°F 1952: 93°F 1953: 92°F 1954: 87°F 1955: 92°F 1956: 86°F 1957: 94°F 1958: 92°F 1959: 79°F 1960: 81°F 1961: 90°F 1962: 81°F 1963: 88°F 1964: 88°F 1965: 90°F 1966: 81°F 1967: 80°F 1968: 88°F 1969: 94°F 1970: 90°F 1971: 87°F 1972: 89°F 1973: 84°F 1974: 92°F 1975: 84°F 1976: 84°F 1977: 92°F 1978: 89°F 1979: 90°F 1980: 91°F 1981: 86°F 1982: 89°F 1983: 95°F 1984: 88°F 1985: 95°F 1986: 88°F 1987: 79°F 1988: 97°F 1989: 85°F 1990: 85°F 1991: 91°F 1992: 99°F 1993: 93°F 1994: 92°F 1995: 99°F 1996: 90°F 1997: 99°F 1998: 84°F 1999: 88°F 2000: 85°F 2001: 84°F 2002: 90°F 2003: 84°F 2004: 90°F 2005: 86°F 2006: 90°F 2007: 94°F 2008: 87°F 2009: 88°F 2010: 92°F 2011: 82°F 2012: 88°F 2013: 96°F 2014: 89°F 2015: 88°F 2016: 98°F 2017: 90°F 2018: 88°F 2019: 90°F 2020: 90°F 2021: 91°F 2022: 90°F 2023: 89°F 2024: 101°F 2025: 90°F 100° forecast 1872 2025 2024 Forecast high · Jul 15 100°F Hottest this date since 2024 This-date record 101°F This-date rank #2 of 154
Hottest at any time since 2026 All-time record 106°F (1918) Odds to tie/break 96.0% (daily) Period of record 1872–2026
The hottest and coldest ever recorded at Washington in each calendar month, and for the whole 1872–2026 record — with the year each was set.
Month Record High Record Low Jan 80°F 2024 -14°F 1881 Feb 84°F 1930 -15°F 1899 Mar 93°F 1907 4°F 1873 Apr 95°F 1915 15°F 1923 May 99°F 1991 33°F 1906 Jun 104°F 2012 43°F 1897 Jul 106°F 1930 52°F 1895 Aug 106°F 1918 49°F 1890 Sep 104°F 1881 36°F 1904 Oct 98°F 2019 26°F 1873 Nov 86°F 1974 11°F 1929 Dec 79°F 1998 -13°F 1880 All-time 106°F 1918 -15°F 1899
Records set or tied at Washington so far this year — through Jul 11.
Record Highs in 2026 8 broke
plus 2 tied — daily record highs set this year
Record Lows in 2026 0 broke
plus 0 tied — daily record lows set this year
Current run 1 days
consecutive days with a high ≥ 90°F
Longest ever 21 days
record run, ended Aug 14 1980
So far in 2026 25 days
days with a high ≥ 90°F this year
Normal high & low by month, from Washington's own 1991–2020 record. Today's normal high: 90°F · forecast is +10° vs normal .
Jan: 44°F Jan: 30°F Feb: 48°F Feb: 31°F Mar: 56°F Mar: 38°F Apr: 68°F Apr: 48°F May: 76°F May: 58°F Jun: 85°F Jun: 67°F Jul: 89°F Jul: 72°F Aug: 87°F Aug: 70°F Sep: 80°F Sep: 64°F Oct: 69°F Oct: 52°F Nov: 58°F Nov: 41°F Dec: 48°F Dec: 34°F J F M A M J J A S O N D Sun & Daylight Today Sunrise 4:54 AM Sunset 7:34 PM Solar noon 12:14 PM Daylight 14h 40m · losing 7 min/wk
Local standard time (no DST), level horizon.
Location 38.85°N, 77.03°W Washington's observed daily high for the last six weeks — a white ring marks any day that broke or tied its daily record for that date.
Every day this year against Washington's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.
Each cell is one day's high at Washington, coloured by temperature — 155 years of record, so heat waves read as warm streaks and cold snaps as blue.
How many days a year hit a given high at Washington — counted through Jul 15 each year, so you can see whether 2026 is running hot. Pick a threshold:
70° 75° 80° 85° 90° 95° 100° 105° 110°
25 days ≥90°F so far in 2026 — tied for the 8th most in 155 years. Normal for this point: 13 . Record: 31 in 1991.
A ready-to-share summary of Washington's outlook — post it, or link this page.
See Washington on coldestsince.com →