District of Columbia · THREADEX · 1872–2026

Washington, DC

38.847°N, 77.034°W · station DCAthr · 155 years of record
100°F
forecast high · Jul 15

7-Day Forecast

NWS NDFD forecast high temperature for Washington.
86°MON7/1392°TUE7/14100°WED7/1599°THU7/1697°FRI7/1796°SAT7/1893°SUN7/19

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.
68841011872: 96°F1873: 92°F1874: 98°F1875: 90°F1876: 91°F1877: 92°F1878: 90°F1879: 98°F1880: 94°F1881: 84°F1882: 85°F1883: 88°F1884: 80°F1885: 86°F1886: 76°F1887: 90°F1888: 79°F1889: 83°F1890: 90°F1891: 89°F1892: 84°F1893: 85°F1894: 90°F1895: 78°F1896: 88°F1897: 84°F1898: 89°F1899: 86°F1900: 94°F1901: 88°F1902: 91°F1903: 73°F1904: 79°F1905: 88°F1906: 79°F1907: 82°F1908: 96°F1909: 92°F1910: 90°F1911: 92°F1912: 94°F1913: 79°F1914: 89°F1915: 88°F1916: 89°F1917: 84°F1918: 89°F1919: 82°F1920: 91°F1921: 87°F1922: 80°F1923: 91°F1924: 80°F1925: 85°F1926: 68°F1927: 94°F1928: 83°F1929: 77°F1930: 77°F1931: 94°F1932: 92°F1933: 79°F1934: 97°F1935: 86°F1936: 96°F1937: 93°F1938: 90°F1939: 81°F1940: 80°F1941: 82°F1942: 85°F1943: 94°F1944: 83°F1945: 75°F1946: 86°F1947: 81°F1948: 78°F1949: 87°F1950: 73°F1951: 87°F1952: 93°F1953: 92°F1954: 87°F1955: 92°F1956: 86°F1957: 94°F1958: 92°F1959: 79°F1960: 81°F1961: 90°F1962: 81°F1963: 88°F1964: 88°F1965: 90°F1966: 81°F1967: 80°F1968: 88°F1969: 94°F1970: 90°F1971: 87°F1972: 89°F1973: 84°F1974: 92°F1975: 84°F1976: 84°F1977: 92°F1978: 89°F1979: 90°F1980: 91°F1981: 86°F1982: 89°F1983: 95°F1984: 88°F1985: 95°F1986: 88°F1987: 79°F1988: 97°F1989: 85°F1990: 85°F1991: 91°F1992: 99°F1993: 93°F1994: 92°F1995: 99°F1996: 90°F1997: 99°F1998: 84°F1999: 88°F2000: 85°F2001: 84°F2002: 90°F2003: 84°F2004: 90°F2005: 86°F2006: 90°F2007: 94°F2008: 87°F2009: 88°F2010: 92°F2011: 82°F2012: 88°F2013: 96°F2014: 89°F2015: 88°F2016: 98°F2017: 90°F2018: 88°F2019: 90°F2020: 90°F2021: 91°F2022: 90°F2023: 89°F2024: 101°F2025: 90°F100° forecast187220252024

The Numbers

Forecast high · Jul 15100°F
Hottest this date since2024
This-date record101°F
This-date rank#2 of 154
Hottest at any time since2026
All-time record106°F (1918)
Odds to tie/break96.0% (daily)
Period of record1872–2026

Record Book

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.
MonthRecord HighRecord Low
Jan80°F2024-14°F1881
Feb84°F1930-15°F1899
Mar93°F19074°F1873
Apr95°F191515°F1923
May99°F199133°F1906
Jun104°F201243°F1897
Jul106°F193052°F1895
Aug106°F191849°F1890
Sep104°F188136°F1904
Oct98°F201926°F1873
Nov86°F197411°F1929
Dec79°F1998-13°F1880
All-time106°F1918-15°F1899

2026 Records So Far

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

Hot Streaks

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

Climate Normals

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°FJan: 30°FFeb: 48°FFeb: 31°FMar: 56°FMar: 38°FApr: 68°FApr: 48°FMay: 76°FMay: 58°FJun: 85°FJun: 67°FJul: 89°FJul: 72°FAug: 87°FAug: 70°FSep: 80°FSep: 64°FOct: 69°FOct: 52°FNov: 58°FNov: 41°FDec: 48°FDec: 34°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise4:54 AM
Sunset7:34 PM
Solar noon12:14 PM
Daylight14h 40m · losing 7 min/wk
Local standard time (no DST), level horizon.

Location

38.85°N, 77.03°W

Nearby Stations

Sterling-Dulles Airport, VA23 mi WBaltimore, MD29 mi NEAnnapolis, MD30 mi EBaltimore Downtown, MD37 mi NEMartinsburg, WV63 mi NWHagerstown, MD70 mi NW

The Last 6 Weeks

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.
Washington, DC — last six weeks of daily high

2026 So Far

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.
Washington, DC — 2026 daily high trace
Download year chart

Every Day Since 1872

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.
Washington, DC daily high heat map 1872–2026

Days Above the Mark

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:
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.

Share Card

A ready-to-share summary of Washington's outlook — post it, or link this page.
Washington, DC hot share card
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part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-13T13:58:11Z
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