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Illinois · THREADEX · 1883–2026

Peoria, IL

40.667°N, 89.684°W · station PIAthr · 144 years of record
65°F
forecast low · Sep 8

7-Day Forecast

NWS NDFD forecast low temperature for Peoria.
75°WED9/277°THU9/376°FRI9/473°SAT9/571°SUN9/668°MON9/765°TUE9/8

This Day in History

Every year's low on each of the next 7 forecast dates at Peoria — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.

Ranks

#102 / 143
coldest Sep 8 in 143 yrs of record

Coldest Sep 8 ever

39°F
set in 1986

Mildest Sep 8 ever

75°F
set in 1894
Forecast low 65°F — 102nd coldest Sep 8 of 143 years · record 39°F (1986) · coldest since 2025.
1883: 47°F1884: 73°F1885: 65°F1886: 70°F1887: 50°F1888: 53°F1889: 59°F1890: 56°F1891: 52°F1892: 56°F1893: 63°F1894: 75°F1895: 57°F1896: 47°F1897: 64°F1898: 47°F1899: 62°F1900: 65°F1901: 62°F1902: 60°F1903: 68°F1904: 60°F1905: 63°F1906: 64°F1907: 55°F1908: 47°F1909: 62°F1910: 62°F1911: 62°F1912: 69°F1913: 64°F1914: 51°F1915: 64°F1916: 66°F1917: 57°F1918: 54°F1919: 69°F1920: 50°F1921: 57°F1922: 74°F1923: 52°F1924: 58°F1925: 69°F1926: 65°F1927: 69°F1928: 58°F1929: 63°F1930: 64°F1931: 68°F1932: 46°F1933: 68°F1934: 48°F1935: 57°F1936: 69°F1937: 58°F1938: 68°F1939: 65°F1940: 68°F1941: 69°F1942: 69°F1943: 50°F1944: 45°F1945: 65°F1946: 68°F1947: 70°F1948: 65°F1949: 46°F1950: 59°F1951: 51°F1952: 57°F1953: 50°F1954: 50°F1955: 54°F1956: 43°F1957: 51°F1958: 54°F1959: 71°F1960: 72°F1961: 70°F1962: 57°F1963: 60°F1964: 67°F1965: 64°F1966: 55°F1967: 57°F1968: 46°F1969: 54°F1970: 59°F1971: 63°F1972: 65°F1973: 61°F1974: 52°F1975: 58°F1976: 56°F1977: 59°F1978: 62°F1979: 46°F1980: 68°F1981: 55°F1982: 54°F1983: 58°F1984: 67°F1985: 71°F1986: 39°F1987: 63°F1988: 44°F1989: 68°F1990: 64°F1991: 65°F1992: 61°F1993: 56°F1994: 52°F1995: 51°F1996: 65°F1997: 64°F1998: 53°F1999: 59°F2000: 62°F2001: 66°F2002: 67°F2003: 59°F2004: 54°F2005: 66°F2006: 58°F2007: 64°F2008: 59°F2009: 59°F2010: 50°F2011: 51°F2012: 57°F2013: 72°F2014: 55°F2015: 71°F2016: 72°F2017: 50°F2018: 60°F2019: 62°F2020: 63°F2021: 57°F2022: 58°F2023: 61°F2024: 49°F2025: 44°F65° forecast35404550556065707518901900191019201930194019501960197019801990200020102020
📖 Peoria's full Climate Almanac →

The Numbers

Forecast low · Sep 865°F
Coldest this date since2025
This-date record39°F
This-date rank#102 of 143
Coldest at any time since2026
All-time record-27°F (1884)
Odds to tie/break0.0% (daily)
Period of record1883–2026

Record Book

The hottest and coldest ever recorded at Peoria in each calendar month, and for the whole 1883–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan71°FJan 23, 1909-27°FJan 5, 1884
Feb78°FFeb 27, 2024-26°FFeb 13, 1905
Mar87°FMar 21, 1907-10°FMar 8, 1943
Apr92°FApr 29, 189414°FApr 5, 1920
May104°FMay 31, 193425°FMay 10, 1966
Jun105°FJun 1, 193439°FJun 4, 1945
Jul113°FJul 15, 193646°FJul 26, 1911
Aug106°FAug 18, 193641°FAug 26, 1910
Sep104°FSep 5, 189926°FSep 30, 1899
Oct93°FOct 3, 20067°FOct 30, 1925
Nov81°FNov 1, 1888-2°FNov 26, 1977
Dec71°FDec 3, 1970-24°FDec 28, 1924
All-time113°FJul 15, 1936-27°FJan 5, 1884

2026 Records So Far

Records set or tied at Peoria so far this year — through Aug 30.

Record Highs in 2026

6 broke
plus 2 tied — daily record highs set this year
Monthly high record this year: Mar (87°F)

Record Lows in 2026

0 broke
plus 0 tied — daily record lows set this year

Record Warm Nights & Cold Days

Two more daily records, kept separate from the rankings: the warmest a night has ever stayed (record high minimum) and the coldest a day has ever gotten (record low maximum) — the flip side of the usual record high and low.

Warmest low ever

82°F
record high minimum — the night it never cooled · Aug 22, 1936

Coldest high ever

-16°F
record low maximum — the day it never warmed · Jan 5, 1884
MonthWarmest lowColdest high
Jan59°FJan 2, 1897-16°FJan 5, 1884
Feb54°FFeb 24, 1930-7°FFeb 13, 1905
Mar66°FMar 21, 201211°FMar 7, 1943
Apr72°FApr 28, 189629°FApr 6, 1982
May75°FMay 29, 189538°FMay 1, 1909
Jun80°FJun 25, 189049°FJun 3, 1945
Jul80°FJul 24, 189262°FJul 5, 1909
Aug82°FAug 22, 193661°FAug 25, 1987
Sep76°FSep 3, 193945°FSep 25, 1942
Oct72°FOct 5, 188421°FOct 29, 1925
Nov64°FNov 4, 20248°FNov 24, 1950
Dec61°FDec 13, 2015-11°FDec 24, 1983
All-time82°FAug 22, 1936-16°FJan 5, 1884

Cold Streaks

Current run

0 days
consecutive days with a low ≤ 32°F

Longest ever

96 days
record run, ended Mar 10 1963

So far in 2026

65 days
days with a low ≤ 32°F this year

Climate Normals

Normal low & low by month, from Peoria's own 1991–2020 record. Today's normal low: 59°F · forecast is +6° vs normal.
Jan: 33°FJan: 17°FFeb: 38°FFeb: 21°FMar: 51°FMar: 31°FApr: 63°FApr: 42°FMay: 74°FMay: 53°FJun: 83°FJun: 62°FJul: 86°FJul: 66°FAug: 84°FAug: 64°FSep: 78°FSep: 56°FOct: 65°FOct: 44°FNov: 50°FNov: 33°FDec: 38°FDec: 23°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:26 AM
Sunset6:31 PM
Solar noon11:58 AM
Daylight13h 06m · losing 18 min/wk
Local standard time (no DST), level horizon.

Location

40.67°N, 89.68°W

Nearby Stations

Springfield, IL56 mi SMoline, IL69 mi NWBurlington, IA75 mi WQuincy, IL94 mi SWRockford, IL109 mi NChicago, IL127 mi NE

The Last 6 Weeks

Peoria's observed daily low for the last six weeks — a white ring marks any day that broke or tied its daily record for that date.
Peoria, IL — last six weeks of daily low

2026 So Far

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

Every Day Since 1883

Each cell is one day's low at Peoria, coloured by temperature — 144 years of record, so heat waves read as warm streaks and cold snaps as blue.
Peoria, IL daily low heat map 1883–2026

Days Below the Mark

How many days a year hit a given low at Peoria — counted through Sep 8 each year, so you can see whether 2026 is running cold. Pick a threshold:
65 days ≤32°F so far in 2026 — tied for the 130th most in 144 years. Normal for this point: 76. Record: 94 in 1923.

Share Card

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