Home / United States / Illinois / Springfield Illinois · THREADEX · 1879–2026
Springfield, IL 39.845°N, 89.684°W · station SPIthr · 148 years of record
91°F
HOTTEST JUL 15 SINCE 2012
forecast high · Jul 15
NWS NDFD forecast high temperature for Springfield.
87° MON 7/13 90° TUE 7/14 91° WED 7/15 91° THU 7/16 91° FRI 7/17 91° SAT 7/18 90° SUN 7/19 This Day in History · Jul 15
Today ranks #38 / 147
warmest Jul 15 in 147 yrs of record
Hottest Jul 15 ever 110°F
set in 1936
Coolest Jul 15 ever 72°F
set in 1888
Hottest Jul 15 — Year by Year
Every year's high on Jul 15 at Springfield. The forecast line shows where today lands; the ringed bar is the hottest on record.
72 91 110 1879: 98°F 1880: 92°F 1881: 91°F 1882: 78°F 1883: 84°F 1884: 81°F 1885: 88°F 1886: 82°F 1887: 94°F 1888: 72°F 1889: 78°F 1890: 85°F 1891: 79°F 1892: 88°F 1893: 90°F 1894: 91°F 1895: 88°F 1896: 92°F 1897: 79°F 1898: 88°F 1899: 84°F 1900: 88°F 1901: 94°F 1902: 90°F 1903: 81°F 1904: 88°F 1905: 92°F 1906: 86°F 1907: 87°F 1908: 88°F 1909: 86°F 1910: 79°F 1911: 93°F 1912: 95°F 1913: 80°F 1914: 92°F 1915: 92°F 1916: 93°F 1917: 87°F 1918: 85°F 1919: 87°F 1920: 84°F 1921: 91°F 1922: 88°F 1923: 91°F 1924: 83°F 1925: 92°F 1926: 82°F 1927: 88°F 1928: 82°F 1929: 73°F 1930: 77°F 1931: 99°F 1932: 98°F 1933: 88°F 1934: 97°F 1935: 89°F 1936: 110°F 1937: 91°F 1938: 87°F 1939: 78°F 1940: 86°F 1941: 91°F 1942: 87°F 1943: 91°F 1944: 90°F 1945: 81°F 1946: 84°F 1947: 87°F 1948: 83°F 1949: 82°F 1950: 87°F 1951: 87°F 1952: 81°F 1953: 91°F 1954: 87°F 1955: 86°F 1956: 85°F 1957: 84°F 1958: 77°F 1959: 90°F 1960: 77°F 1961: 88°F 1962: 83°F 1963: 84°F 1964: 86°F 1965: 83°F 1966: 86°F 1967: 81°F 1968: 91°F 1969: 87°F 1970: 84°F 1971: 84°F 1972: 94°F 1973: 82°F 1974: 90°F 1975: 85°F 1976: 99°F 1977: 97°F 1978: 88°F 1979: 87°F 1980: 99°F 1981: 83°F 1982: 90°F 1983: 93°F 1984: 94°F 1985: 83°F 1986: 91°F 1987: 81°F 1988: 98°F 1989: 78°F 1990: 77°F 1991: 85°F 1992: 82°F 1993: 73°F 1994: 85°F 1995: 99°F 1996: 73°F 1997: 90°F 1998: 81°F 1999: 87°F 2000: 86°F 2001: 85°F 2002: 87°F 2003: 88°F 2004: 82°F 2005: 87°F 2006: 93°F 2007: 82°F 2008: 85°F 2009: 87°F 2010: 93°F 2011: 88°F 2012: 92°F 2013: 89°F 2014: 72°F 2015: 83°F 2016: 90°F 2017: 85°F 2018: 89°F 2019: 84°F 2020: 88°F 2021: 84°F 2022: 80°F 2023: 85°F 2024: 90°F 2025: 90°F 91° forecast 1879 1936 2025 Forecast high · Jul 15 91°F Hottest this date since 2012 This-date record 110°F This-date rank #38 of 147
Hottest at any time since 2026 All-time record 112°F (1954) Odds to tie/break 0.0% (daily) Period of record 1879–2026
The hottest and coldest ever recorded at Springfield in each calendar month, and for the whole 1879–2026 record — with the year each was set.
Month Record High Record Low Jan 73°F 1909 -22°F 1884 Feb 80°F 2024 -24°F 1905 Mar 92°F 2026 -12°F 1960 Apr 90°F 1930 16°F 2018 May 101°F 1934 28°F 1966 Jun 104°F 1934 39°F 2003 Jul 112°F 1954 48°F 1967 Aug 108°F 1934 43°F 1964 Sep 102°F 2011 31°F 1899 Oct 93°F 1953 13°F 1925 Nov 83°F 1950 -3°F 1964 Dec 74°F 1970 -21°F 1989 All-time 112°F 1954 -24°F 1905
Records set or tied at Springfield so far this year — through Jul 11.
Record Highs in 2026 7 broke
plus 1 tied — daily record highs set this year
Monthly high record this year: Mar (92°F)
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 22 days
record run, ended Jul 19 1921
So far in 2026 9 days
days with a high ≥ 90°F this year
Normal high & low by month, from Springfield's own 1991–2020 record. Today's normal high: 87°F · forecast is +4° vs normal .
Jan: 35°F Jan: 19°F Feb: 41°F Feb: 23°F Mar: 53°F Mar: 33°F Apr: 65°F Apr: 43°F May: 75°F May: 54°F Jun: 84°F Jun: 63°F Jul: 86°F Jul: 66°F Aug: 85°F Aug: 64°F Sep: 80°F Sep: 55°F Oct: 67°F Oct: 44°F Nov: 52°F Nov: 34°F Dec: 40°F Dec: 25°F J F M A M J J A S O N D Sun & Daylight Today Sunrise 4:41 AM Sunset 7:27 PM Solar noon 12:04 PM Daylight 14h 46m · losing 7 min/wk
Local standard time (no DST), level horizon.
Location 39.84°N, 89.68°W Springfield'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 Springfield'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 Springfield, coloured by temperature — 148 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 Springfield — 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°
9 days ≥90°F so far in 2026 — tied for the 99th most in 148 years. Normal for this point: 13 . Record: 40 in 1934.
A ready-to-share summary of Springfield's outlook — post it, or link this page.
See Springfield on coldestsince.com →