Home / United States / Ohio / Wilmington Ohio · THREADEX · 1917–2026
Wilmington, OH 39.431°N, 83.777°W · station ILNthr · 110 years of record
93°F
HOTTEST JUL 15 SINCE 1995
forecast high · Jul 15
NWS NDFD forecast high temperature for Wilmington.
86° MON 7/13 89° TUE 7/14 93° WED 7/15 93° THU 7/16 90° FRI 7/17 88° SAT 7/18 86° SUN 7/19 This Day in History · Jul 15
Today ranks #12 / 108
warmest Jul 15 in 108 yrs of record
Hottest Jul 15 ever 109°F
set in 1936
Coolest Jul 15 ever 68°F
set in 1928
Hottest Jul 15 — Year by Year
Every year's high on Jul 15 at Wilmington. The forecast line shows where today lands; the ringed bar is the hottest on record.
68 88 109 1917: 81°F 1918: 88°F 1919: 92°F 1920: 90°F 1921: 95°F 1922: 88°F 1923: 91°F 1924: 84°F 1925: 84°F 1926: 75°F 1927: 90°F 1928: 68°F 1929: 75°F 1930: 80°F 1931: 100°F 1932: 97°F 1933: 90°F 1934: 98°F 1935: 89°F 1936: 109°F 1937: 93°F 1938: 85°F 1939: 81°F 1940: 83°F 1941: 90°F 1942: 88°F 1943: 87°F 1944: 93°F 1945: 72°F 1946: 79°F 1947: 80°F 1948: 86°F 1949: 88°F 1950: 86°F 1951: 91°F 1952: 94°F 1953: 90°F 1954: 85°F 1955: 80°F 1956: 80°F 1957: 88°F 1958: 86°F 1959: 88°F 1960: 72°F 1961: 74°F 1962: 82°F 1963: 85°F 1964: 75°F 1965: 83°F 1966: 83°F 1967: 76°F 1968: 88°F 1969: 92°F 1970: 90°F 1971: 81°F 1972: 90°F 1973: 83°F 1975: 78°F 1976: 78°F 1977: 93°F 1978: 84°F 1979: 83°F 1980: 83°F 1981: 84°F 1982: 86°F 1983: 93°F 1984: 87°F 1985: 90°F 1986: 81°F 1987: 74°F 1988: 83°F 1989: 77°F 1990: 76°F 1991: 80°F 1992: 89°F 1993: 86°F 1994: 85°F 1995: 94°F 1996: 85°F 1997: 90°F 1998: 80°F 1999: 90°F 2000: 84°F 2001: 83°F 2002: 89°F 2003: 80°F 2004: 83°F 2005: 84°F 2006: 89°F 2007: 81°F 2008: 81°F 2009: 82°F 2010: 87°F 2011: 83°F 2012: 83°F 2013: 89°F 2014: 74°F 2015: 77°F 2016: 88°F 2017: 82°F 2018: 87°F 2019: 90°F 2020: 84°F 2021: 88°F 2022: 87°F 2023: 82°F 2024: 90°F 2025: 86°F 93° forecast 1917 2025 1936 Forecast high · Jul 15 93°F Hottest this date since 1995 This-date record 109°F This-date rank #12 of 108
Hottest at any time since 2026 All-time record 111°F (1934) Odds to tie/break 0.0% (daily) Period of record 1917–2026
The hottest and coldest ever recorded at Wilmington in each calendar month, and for the whole 1917–2026 record — with the year each was set.
Month Record High Record Low Jan 74°F 1950 -25°F 1982 Feb 76°F 1932 -20°F 1985 Mar 88°F 1929 -10°F 1984 Apr 92°F 1942 10°F 1923 May 97°F 1936 24°F 1966 Jun 104°F 1944 36°F 1917 Jul 111°F 1934 40°F 1988 Aug 105°F 1930 37°F 1946 Sep 104°F 1939 26°F 1928 Oct 92°F 1927 12°F 1925 Nov 82°F 1946 -6°F 1958 Dec 73°F 1982 -24°F 1989 All-time 111°F 1934 -25°F 1982
Records set or tied at Wilmington 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 1 broke
plus 0 tied — daily record lows set this year
Current run 0 days
consecutive days with a high ≥ 90°F
Longest ever 21 days
record run, ended Jul 20 1921
So far in 2026 6 days
days with a high ≥ 90°F this year
Normal high & low by month, from Wilmington's own 1991–2020 record. Today's normal high: 85°F · forecast is +8° vs normal .
Jan: 37°F Jan: 21°F Feb: 40°F Feb: 24°F Mar: 51°F Mar: 32°F Apr: 64°F Apr: 42°F May: 73°F May: 52°F Jun: 81°F Jun: 61°F Jul: 84°F Jul: 63°F Aug: 83°F Aug: 61°F Sep: 77°F Sep: 54°F Oct: 65°F Oct: 44°F Nov: 52°F Nov: 34°F Dec: 41°F Dec: 27°F J F M A M J J A S O N D Sun & Daylight Today Sunrise 4:19 AM Sunset 7:02 PM Solar noon 11:41 AM Daylight 14h 44m · losing 7 min/wk
Local standard time (no DST), level horizon.
Location 39.43°N, 83.78°W Wilmington'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 Wilmington'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 Wilmington, coloured by temperature — 110 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 Wilmington — 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°
6 days ≥90°F so far in 2026 — tied for the 57th most in 110 years. Normal for this point: 9 . Record: 39 in 1934.
A ready-to-share summary of Wilmington's outlook — post it, or link this page.
See Wilmington on coldestsince.com →