Ohio · THREADEX · 1917–2026

Wilmington, OH

39.431°N, 83.777°W · station ILNthr · 110 years of record
93°F
forecast high · Jul 15

7-Day Forecast

NWS NDFD forecast high temperature for Wilmington.
86°MON7/1389°TUE7/1493°WED7/1593°THU7/1690°FRI7/1788°SAT7/1886°SUN7/19

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.
68881091917: 81°F1918: 88°F1919: 92°F1920: 90°F1921: 95°F1922: 88°F1923: 91°F1924: 84°F1925: 84°F1926: 75°F1927: 90°F1928: 68°F1929: 75°F1930: 80°F1931: 100°F1932: 97°F1933: 90°F1934: 98°F1935: 89°F1936: 109°F1937: 93°F1938: 85°F1939: 81°F1940: 83°F1941: 90°F1942: 88°F1943: 87°F1944: 93°F1945: 72°F1946: 79°F1947: 80°F1948: 86°F1949: 88°F1950: 86°F1951: 91°F1952: 94°F1953: 90°F1954: 85°F1955: 80°F1956: 80°F1957: 88°F1958: 86°F1959: 88°F1960: 72°F1961: 74°F1962: 82°F1963: 85°F1964: 75°F1965: 83°F1966: 83°F1967: 76°F1968: 88°F1969: 92°F1970: 90°F1971: 81°F1972: 90°F1973: 83°F1975: 78°F1976: 78°F1977: 93°F1978: 84°F1979: 83°F1980: 83°F1981: 84°F1982: 86°F1983: 93°F1984: 87°F1985: 90°F1986: 81°F1987: 74°F1988: 83°F1989: 77°F1990: 76°F1991: 80°F1992: 89°F1993: 86°F1994: 85°F1995: 94°F1996: 85°F1997: 90°F1998: 80°F1999: 90°F2000: 84°F2001: 83°F2002: 89°F2003: 80°F2004: 83°F2005: 84°F2006: 89°F2007: 81°F2008: 81°F2009: 82°F2010: 87°F2011: 83°F2012: 83°F2013: 89°F2014: 74°F2015: 77°F2016: 88°F2017: 82°F2018: 87°F2019: 90°F2020: 84°F2021: 88°F2022: 87°F2023: 82°F2024: 90°F2025: 86°F93° forecast191720251936

The Numbers

Forecast high · Jul 1593°F
Hottest this date since1995
This-date record109°F
This-date rank#12 of 108
Hottest at any time since2026
All-time record111°F (1934)
Odds to tie/break0.0% (daily)
Period of record1917–2026

Record Book

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.
MonthRecord HighRecord Low
Jan74°F1950-25°F1982
Feb76°F1932-20°F1985
Mar88°F1929-10°F1984
Apr92°F194210°F1923
May97°F193624°F1966
Jun104°F194436°F1917
Jul111°F193440°F1988
Aug105°F193037°F1946
Sep104°F193926°F1928
Oct92°F192712°F1925
Nov82°F1946-6°F1958
Dec73°F1982-24°F1989
All-time111°F1934-25°F1982

2026 Records So Far

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

Hot Streaks

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

Climate Normals

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°FJan: 21°FFeb: 40°FFeb: 24°FMar: 51°FMar: 32°FApr: 64°FApr: 42°FMay: 73°FMay: 52°FJun: 81°FJun: 61°FJul: 84°FJul: 63°FAug: 83°FAug: 61°FSep: 77°FSep: 54°FOct: 65°FOct: 44°FNov: 52°FNov: 34°FDec: 41°FDec: 27°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise4:19 AM
Sunset7:02 PM
Solar noon11:41 AM
Daylight14h 44m · losing 7 min/wk
Local standard time (no DST), level horizon.

Location

39.43°N, 83.78°W

Nearby Stations

Dayton, OH40 mi NWCincinnati, OH54 mi SWColumbus, OH61 mi NEHuntington, WV98 mi SEZanesville, OH106 mi ELexington, KY106 mi SW

The Last 6 Weeks

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.
Wilmington, OH — last six weeks of daily high

2026 So Far

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.
Wilmington, OH — 2026 daily high trace
Download year chart

Every Day Since 1917

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.
Wilmington, OH daily high heat map 1917–2026

Days Above the Mark

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:
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.

Share Card

A ready-to-share summary of Wilmington's outlook — post it, or link this page.
Wilmington, OH hot share card
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part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-13T12:58:10Z
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