Home / United States / Washington / Tri-Cities Washington · THREADEX · 1894–2026
Tri-Cities, WA 46.270°N, 119.118°W · station PSCthr · 133 years of record
98°F
HOTTEST JUL 15 SINCE 2024
forecast high · Jul 15
NWS NDFD forecast high temperature for Tri-Cities.
95° MON 7/13 97° TUE 7/14 98° WED 7/15 95° THU 7/16 95° FRI 7/17 97° SAT 7/18 98° SUN 7/19 This Day in History · Jul 15
Today ranks #30 / 126
warmest Jul 15 in 126 yrs of record
Hottest Jul 15 ever 113°F
set in 1911
Coolest Jul 15 ever 74°F
set in 1932
Hottest Jul 15 — Year by Year
Every year's high on Jul 15 at Tri-Cities. The forecast line shows where today lands; the ringed bar is the hottest on record.
74 94 113 1894: 100°F 1895: 89°F 1896: 105°F 1897: 90°F 1898: 98°F 1899: 106°F 1904: 82°F 1905: 89°F 1906: 106°F 1907: 89°F 1908: 92°F 1909: 97°F 1910: 99°F 1911: 113°F 1912: 94°F 1913: 84°F 1914: 86°F 1915: 81°F 1916: 87°F 1917: 98°F 1918: 95°F 1919: 99°F 1920: 91°F 1921: 88°F 1922: 91°F 1923: 98°F 1924: 90°F 1925: 100°F 1926: 90°F 1927: 85°F 1928: 89°F 1929: 89°F 1930: 93°F 1931: 83°F 1932: 74°F 1933: 103°F 1934: 93°F 1935: 99°F 1936: 79°F 1937: 88°F 1938: 107°F 1939: 84°F 1940: 96°F 1941: 106°F 1942: 75°F 1943: 84°F 1944: 94°F 1945: 89°F 1946: 78°F 1947: 84°F 1948: 89°F 1949: 98°F 1950: 90°F 1951: 95°F 1952: 99°F 1953: 93°F 1955: 98°F 1956: 86°F 1957: 83°F 1958: 94°F 1959: 92°F 1960: 95°F 1961: 100°F 1962: 83°F 1963: 81°F 1964: 95°F 1965: 95°F 1966: 89°F 1967: 95°F 1968: 80°F 1969: 82°F 1970: 96°F 1971: 97°F 1972: 91°F 1973: 103°F 1974: 90°F 1975: 84°F 1976: 86°F 1977: 93°F 1978: 99°F 1979: 87°F 1980: 88°F 1981: 86°F 1982: 77°F 1983: 78°F 1984: 87°F 1985: 96°F 1986: 83°F 1987: 104°F 1988: 77°F 1989: 97°F 1990: 99°F 1991: 86°F 1992: 89°F 1993: 77°F 1994: 95°F 1995: 85°F 1996: 100°F 1997: 89°F 1998: 95°F 1999: 81°F 2000: 90°F 2002: 92°F 2003: 96°F 2004: 104°F 2005: 102°F 2006: 93°F 2007: 99°F 2008: 100°F 2009: 94°F 2010: 99°F 2011: 88°F 2012: 92°F 2013: 89°F 2014: 101°F 2015: 92°F 2016: 93°F 2017: 98°F 2018: 99°F 2019: 84°F 2020: 92°F 2021: 98°F 2022: 100°F 2023: 104°F 2024: 104°F 2025: 88°F 98° forecast 1894 2025 1911 Forecast high · Jul 15 98°F Hottest this date since 2024 This-date record 113°F This-date rank #30 of 126
Hottest at any time since 2026 All-time record 115°F (1898) Odds to tie/break 0.0% (daily) Period of record 1894–2026
The hottest and coldest ever recorded at Tri-Cities in each calendar month, and for the whole 1894–2026 record — with the year each was set.
Month Record High Record Low Jan 74°F 1896 -27°F 1930 Feb 74°F 1986 -23°F 1950 Mar 87°F 1911 -1°F 2019 Apr 95°F 1910 18°F 1935 May 104°F 1910 26°F 1905 Jun 115°F 2021 35°F 1984 Jul 115°F 1939 38°F 1921 Aug 115°F 1898 37°F 1924 Sep 102°F 2022 21°F 1926 Oct 90°F 2020 9°F 2002 Nov 78°F 1897 -8°F 1985 Dec 71°F 1898 -29°F 1919 All-time 115°F 1898 -29°F 1919
Records set or tied at Tri-Cities so far this year — through Jul 11.
Record Highs in 2026 0 broke
plus 1 tied — daily record highs set this year
Record Lows in 2026 0 broke
plus 0 tied — daily record lows set this year
Current run 6 days
consecutive days with a high ≥ 90°F
Longest ever 37 days
record run, ended Aug 24 1942
So far in 2026 20 days
days with a high ≥ 90°F this year
Normal high & low by month, from Tri-Cities's own 1991–2020 record. Today's normal high: 92°F · forecast is +6° vs normal .
Jan: 42°F Jan: 28°F Feb: 48°F Feb: 29°F Mar: 59°F Mar: 34°F Apr: 67°F Apr: 39°F May: 76°F May: 47°F Jun: 83°F Jun: 53°F Jul: 92°F Jul: 58°F Aug: 91°F Aug: 57°F Sep: 81°F Sep: 49°F Oct: 66°F Oct: 40°F Nov: 50°F Nov: 32°F Dec: 41°F Dec: 28°F J F M A M J J A S O N D Sun & Daylight Today Sunrise 4:17 AM Sunset 7:47 PM Solar noon 12:02 PM Daylight 15h 29m · losing 10 min/wk
Local standard time (no DST), level horizon.
Location 46.27°N, 119.12°W Tri-Cities'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 Tri-Cities'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 Tri-Cities, coloured by temperature — 133 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 Tri-Cities — 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°
20 days ≥90°F so far in 2026 — tied for the 36th most in 133 years. Normal for this point: 17 . Record: 36 in 1940.
A ready-to-share summary of Tri-Cities's outlook — post it, or link this page.
See Tri-Cities on coldestsince.com →