Illinois · THREADEX · 1901–2026

Quincy, IL

39.937°N, 91.197°W · station UINthr · 126 years of record
92°F
forecast high · Jul 18

7-Day Forecast

NWS NDFD forecast high temperature for Quincy.
88°MON7/1390°TUE7/1491°WED7/1590°THU7/1691°FRI7/1792°SAT7/1890°SUN7/19

This Day in History · Jul 18

Today ranks

#39 / 125
warmest Jul 18 in 125 yrs of record

Hottest Jul 18 ever

108°F
set in 1934

Coolest Jul 18 ever

70°F
set in 2009

Hottest Jul 18 — Year by Year

Every year's high on Jul 18 at Quincy. The forecast line shows where today lands; the ringed bar is the hottest on record.
70891081901: 100°F1902: 88°F1903: 83°F1904: 93°F1905: 95°F1906: 87°F1907: 88°F1908: 86°F1909: 87°F1910: 78°F1911: 86°F1912: 83°F1913: 103°F1914: 81°F1915: 94°F1916: 102°F1917: 86°F1918: 90°F1919: 90°F1920: 92°F1921: 95°F1922: 84°F1923: 93°F1924: 94°F1925: 88°F1926: 92°F1927: 92°F1928: 93°F1929: 90°F1930: 99°F1931: 98°F1932: 95°F1933: 87°F1934: 108°F1935: 99°F1936: 104°F1937: 88°F1938: 86°F1939: 91°F1940: 87°F1941: 86°F1942: 93°F1943: 83°F1944: 89°F1945: 88°F1946: 104°F1947: 84°F1948: 86°F1949: 86°F1950: 85°F1951: 87°F1952: 80°F1953: 94°F1954: 106°F1955: 90°F1956: 87°F1957: 94°F1958: 85°F1959: 87°F1960: 85°F1961: 85°F1962: 84°F1963: 95°F1964: 94°F1965: 82°F1966: 100°F1967: 82°F1968: 87°F1969: 82°F1970: 81°F1971: 85°F1972: 93°F1973: 85°F1974: 98°F1975: 92°F1976: 83°F1977: 99°F1978: 88°F1979: 80°F1980: 98°F1981: 81°F1982: 85°F1983: 95°F1984: 82°F1985: 88°F1986: 92°F1987: 88°F1988: 98°F1989: 84°F1990: 89°F1991: 90°F1992: 82°F1993: 88°F1994: 85°F1995: 86°F1996: 94°F1997: 93°F1998: 89°F1999: 91°F2000: 84°F2001: 82°F2002: 89°F2003: 79°F2004: 80°F2005: 91°F2006: 93°F2007: 90°F2008: 88°F2009: 70°F2010: 88°F2011: 94°F2012: 100°F2013: 95°F2014: 79°F2015: 88°F2016: 91°F2017: 94°F2018: 87°F2019: 93°F2020: 90°F2021: 83°F2022: 86°F2023: 80°F2024: 85°F2025: 84°F92° forecast190119342025

The Numbers

Forecast high · Jul 1892°F
Hottest this date since2019
This-date record108°F
This-date rank#39 of 125
Hottest at any time since2026
All-time record114°F (1936)
Odds to tie/break0.0% (daily)
Period of record1901–2026

Record Book

The hottest and coldest ever recorded at Quincy in each calendar month, and for the whole 1901–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan73°F1950-21°F1982
Feb80°F2024-29°F1905
Mar89°F2026-13°F1960
Apr92°F19309°F2018
May103°F193426°F1907
Jun105°F193639°F1903
Jul114°F193647°F1950
Aug111°F193442°F1950
Sep105°F191326°F1942
Oct96°F193910°F1925
Nov84°F1915-11°F1964
Dec75°F2021-22°F1989
All-time114°F1936-29°F1905

2026 Records So Far

Records set or tied at Quincy so far this year — through Jul 11.

Record Highs in 2026

6 broke
plus 1 tied — daily record highs set this year
Monthly high record this year: Mar (89°F)

Record Lows in 2026

0 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

40 days
record run, ended Jul 29 1934

So far in 2026

6 days
days with a high ≥ 90°F this year

Climate Normals

Normal high & low by month, from Quincy's own 1991–2020 record. Today's normal high: 87°F · forecast is +5° vs normal.
Jan: 35°FJan: 19°FFeb: 40°FFeb: 23°FMar: 52°FMar: 32°FApr: 64°FApr: 43°FMay: 73°FMay: 54°FJun: 82°FJun: 63°FJul: 86°FJul: 66°FAug: 84°FAug: 64°FSep: 78°FSep: 56°FOct: 65°FOct: 45°FNov: 51°FNov: 33°FDec: 39°FDec: 24°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise4:47 AM
Sunset7:34 PM
Solar noon12:10 PM
Daylight14h 47m · losing 7 min/wk
Local standard time (no DST), level horizon.

Location

39.94°N, 91.20°W

Nearby Stations

Burlington, IA57 mi NSpringfield, IL80 mi ESt Louis, MO92 mi SEPeoria, IL94 mi NEColumbia, MO94 mi SWJefferson City, MO106 mi SW

The Last 6 Weeks

Quincy'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.
Quincy, IL — last six weeks of daily high

2026 So Far

Every day this year against Quincy's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.
Quincy, IL — 2026 daily high trace
Download year chart

Every Day Since 1901

Each cell is one day's high at Quincy, coloured by temperature — 126 years of record, so heat waves read as warm streaks and cold snaps as blue.
Quincy, IL daily high heat map 1901–2026

Days Above the Mark

How many days a year hit a given high at Quincy — counted through Jul 18 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 97th most in 126 years. Normal for this point: 13. Record: 43 in 1934.

Share Card

A ready-to-share summary of Quincy's outlook — post it, or link this page.
Quincy, IL 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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