Peoria, IL: Fall

9 October 2026: Fall 2026 so far averaged 69.8°F in Peoria, IL, the warmest 1 September to 9 October since 2021, 10th warmest of 144.

Fall 2026 so far, to 9 October 2026

Mean temperature: 69.8°F; Warmest since 2021; 10th warmest of 144
Precipitation: 3.88 in; Wettest since 2020; 68th wettest of 143

A normal 1 September to 9 October in Peoria, IL (1991 to 2020): a mean temperature of 64.5°F, between 61.6°F and 69.9°F in eight years of ten and 3.83 in of precipitation, between 1.67 in and 8.12 in in eight years of ten.

The mean temperature of every 1 September to 9 October in Peoria, IL since 1883: 69.8°F in 2026; the highest is 72.6°F, in 1884.

Normal range, 61.6 to 69.9°F

Every year, ranked, as a table

Every 1 September to 9 October in Peoria, IL from 1883 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	69.8	10	79.4	21	60.3	4	3.88	68	0
2025	69.7	11	82.4	5	56.9	23	1.10	135	0
2024	68.6	19	80.8	11	56.4	34	0.91	139	0
2023	68.5	20	78.6	31	58.5	12	2.18	114	0
2022	65.7	56	77.5	46	53.8	69	0.98	137	0
2021	71	3	81.4	8	60.5	3	2.78	100	0
2020	63.1	103	73.6	110	52.7	92	6.27	24	0
2019	69.9	9	79.5	19	60.3	4	8.52	12	0
2018	70.2	8	80.4	15	60.1	6	6.69	20	0
2017	69.4	14	80.9	10	58	15	1.65	129	0
2016	69.5	12	79.4	21	59.6	9	6.64	22	0
2015	70.8	5	81.6	7	59.9	7	3.28	83	0
2014	64.5	75	74.6	90	54.3	63	6.03	27	0
2013	69.2	15	80.8	11	57.5	19	3.78	72	0
2012	61.4	134	72.3	130	50.4	125	3.88	68	0
2011	62.8	109	74.1	97	51.6	111	3.62	76	0
2010	64.5	75	75.8	72	53.1	83	5.12	42	0
2009	62.8	109	71.3	137	54.3	63	5.29	38	0
2008	65.6	57	75.2	81	56	41	12.55	4	0
2007	71	3	83.5	3	58.6	10	2.15	115	0
2006	64.4	78	75.6	74	53.2	81	1.67	126	0
2005	69.5	12	80.8	11	58.3	13	4.02	60	0
2004	65	69	76.9	55	53.1	83	1.87	120	0
2003	61.6	131	72.8	122	50.4	125	1.91	118	0
2002	67.1	35	78.8	28	55.5	45	1.37	132	0
2001	62.1	118	72.7	126	51.5	116	5.46	35	0
2000	63.3	100	75.1	83	51.6	111	3.89	67	0
1999	61.8	126	73.6	110	50	131	2.63	104	0
1998	66.7	41	76.3	65	57.1	21	2.68	103	0
1997	66.7	41	77.2	51	56.1	38	3.36	81	0
1996	62.1	118	73.2	117	51.1	119	1.82	122	0
1995	61.6	131	73.3	115	50	131	1.66	128	0
1994	65.2	67	76.7	60	53.7	73	2.57	106	0
1993	60.6	138	71	139	50.1	129	8.11	16	0
1992	62.9	107	74.1	97	51.7	109	6.04	26	0
1991	63.4	97	75	84	51.9	103	8.24	15	0
1990	64.4	78	74.9	85	53.8	69	2.83	98	0
1989	59.7	142	70.2	143	49.2	138	3.29	82	0
1988	64.2	83	76.5	62	51.9	103	3.09	88	0
1987	62	122	74.1	97	50	131	1.64	130	0
1986	66.8	40	76.7	60	56.9	23	9.08	10	0
1985	63.5	96	73.7	107	53.3	79	4.59	51	0
1984	63.4	97	74.1	97	52.7	92	3.04	92	0
1983	66.7	41	78.6	31	54.7	60	5.08	44	0
1982	65.1	68	76.1	68	54.1	66	2.02	117	0
1981	63.6	93	74.7	88	52.4	99	1.82	122	0
1980	64.8	71	76.2	67	53.4	78	4.14	58	0
1979	62.3	115	75.6	74	49.1	139	0.53	142	0
1978	66.9	37	78.9	26	54.8	58	3.00	95	0
1977	62.8	109	72.5	129	53.2	81	8.01	17	0
1976	61.7	129	74.6	90	48.8	140	3.14	87	0
1975	59.8	141	70.7	142	48.8	140	3.06	90	0
1974	58.7	143	71.2	138	46.3	144	1.67	126	0
1973	66	51	75.3	80	56.7	29	9.35	9	0
1972	64.1	86	73.4	113	54.8	58	5.44	36	0
1971	66.7	41	77.7	44	55.7	43	4.30	56	0
1970	64.5	75	74.9	85	54	67	12.00	6	0
1969	64.8	71	75.4	78	54.3	63	3.39	80	0
1968	61.7	129	72.8	122	50.7	123	5.12	42	0
1967	63	105	73.9	105	52.2	100	4.12	59	0
1966	61.9	124	73.2	117	50.6	124	3.06	90	0
1965	61.8	126	71	139	52.5	97	8.49	13	0
1964	62.1	118	74	104	50.3	128	3.63	74	0
1963	65.3	63	77.9	42	52.7	92	1.76	125	0
1962	61.8	126	72.7	126	50.8	121	3.19	86	0
1961	64	87	74.7	88	53.3	79	13.09	3	0
1960	65.9	53	76.3	65	55.5	45	2.82	99	0
1959	66	51	75.6	74	56.4	34	5.84	30	0
1958	64.2	83	74.8	87	53.5	77	3.66	73	0
1957	63.3	100	74.6	90	51.9	103	1.21	134	0
1956	64.3	82	77	54	51.6	111	0.42	143	0
1955	66.1	48	76.9	55	55.2	51	4.51	52	0
1954	68	26	79.3	23	56.8	25	2.38	109	0
1953	65.5	60	78.1	39	52.9	88	2.50	108	0
1952	61.5	133	74.4	94	48.6	142	1.77	124	0
1951	62	122	72.1	132	51.9	103	4.01	61	0
1950	63.6	93	73.3	115	54	67	3.80	71	0
1949	61.9	124	72.7	126	51.1	119	3.44	79	0
1948	65.8	54	76.5	62	55.1	53	2.70	102	0
1947	67.2	33	78.2	37	56.1	38	2.55	107	0
1946	65.8	54	78.5	34	53	86	2.32	112	0
1945	62.4	114	71.7	135	53.1	83	7.92	18	0
1944	64.8	71	74.2	95	55.5	45	5.72	32	0
1943	61.3	136	72.8	122	49.8	134	0.88	140	0
1942	64.2	83	74.5	93	53.8	69	2.72	101	0
1941	68.5	20	79.3	23	57.8	16	11.87	7	0
1940	65.3	63	78.2	37	52.5	97	2.85	97	0
1939	70.7	6	84.6	2	56.8	25	1.02	136	0
1938	67.5	31	79	25	56	41	2.12	116	0
1937	64.9	70	76.8	59	53	86	1.49	131	0
1936	68.1	25	77.5	46	58.6	10	12.52	5	0
1935	61.4	134	72.9	121	49.8	134	3.45	78	0
1934	63.3	100	73.8	106	52.7	92	6.57	23	0
1933	68.3	23	80.5	14	56.1	38	6.06	25	0
1932	63	105	75.2	81	50.8	121	3.01	94	0
1931	71.9	2	82.6	4	61.3	2	5.84	30	0
1930	68.2	24	79.8	18	56.6	30	4.01	61	0
1929	62.6	112	73.5	112	51.6	111	1.36	133	0
1928	62.1	118	73.7	107	50.4	125	4.34	54	0
1927	67.4	32	77.3	50	57.6	17	8.75	11	0
1926	64.8	71	73	120	56.5	31	13.75	2	0
1925	67.9	28	77.6	45	58.2	14	5.88	28	0
1924	60.5	139	70.9	141	50.1	129	4.77	48	0
1923	63.1	103	73.4	113	52.8	91	5.30	37	0
1922	68.8	16	81.1	9	56.5	31	4.00	63	0
1921	66.1	48	76.9	55	55.2	51	5.53	33	0
1920	66.2	47	78.8	28	53.6	74	1.84	121	0
1919	68.5	20	80.2	17	56.8	25	3.92	65	0
1918	58.4	144	69.7	144	47.2	143	1.88	119	0
1917	60.4	140	71.4	136	49.5	136	3.25	85	0
1916	63.8	89	76.1	68	51.5	116	3.82	70	0
1915	63.8	89	74.1	97	53.6	74	4.89	46	0
1914	66.1	48	77.2	51	55.1	53	5.85	29	0
1913	66.6	46	78.3	36	55	57	3.63	74	0
1912	65.3	63	76.9	55	53.8	69	4.17	57	0
1911	65.6	57	75.6	74	55.5	45	14.29	1	0
1910	64.4	78	75.8	72	52.9	88	4.33	55	0
1909	63.6	93	75.4	78	51.8	108	3.91	66	0
1908	65.4	61	79.5	19	51.4	118	0.82	141	0
1907	63.4	97	74.1	97	52.7	92	2.95	96	0
1906	66.9	37	78.6	31	55.1	53	4.92	45	0
1905	67.2	33	78.8	28	55.6	44	2.21	113	0
1904	66.7	41	78	40	55.4	49	6.68	21	0
1903	65.6	57	76.4	64	54.7	60	7.56	19	1
1902	62.6	112	72	134	52.9	88	8.40	14	2
1901	63.8	89	75.9	70	52	102	3.04	92	2
1900	68	26	78.4	35	57.6	17	3.28	83	0
1899	63.9	88	75.9	70	51.9	103	5.24	39	0
1898	68.8	16	78	40	59.7	8			0
1897	70.3	7	85.3	1	55.3	50	0.93	138	0
1896	62.2	117	72.8	122	51.6	111	4.86	47	0
1895	67.1	35	77.5	46	56.8	25	5.17	40	0
1894	65.3	63	74.2	95	56.4	34	4.77	48	0
1893	67.7	29	78.9	26	56.4	34	3.61	77	0
1892	65.4	61	77.1	53	53.6	74	2.35	110	0
1891	68.7	18	80.3	16	57.1	21	2.33	111	0
1890	64.4	78	74.1	97	54.6	62	3.07	89	0
1889	62.9	107	73.7	107	52.1	101	2.61	105	0
1888	60.7	137	72.1	132	49.3	137	5.17	40	0
1887	66.9	37	77.4	49	56.5	31	3.98	64	0
1886	67.7	29	77.9	42	57.4	20	4.68	50	0
1885	63.7	92	72.2	131	55.1	53	5.52	34	0
1884	72.6	1	81.9	6	63.4	1	9.78	8	0
1883	62.3	115	73.1	119	51.7	109	4.42	53	3

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1884	72.6
1931	71.9
2021	71
2007	71
2015	70.8
1939	70.7
1897	70.3
2018	70.2
2019	69.9
2026	69.8

Coldest
Year	Mean, °F
1918	58.4
1974	58.7
1989	59.7
1975	59.8
1917	60.4
1924	60.5
1993	60.6
1888	60.7
1943	61.3
2012	61.4
More years share the last value

Wettest
Year	Precipitation, in
1911	14.29
1926	13.75
1961	13.09
2008	12.55
1936	12.52
1970	12.00
1941	11.87
1884	9.78
1973	9.35
1986	9.08

Driest
Year	Precipitation, in
1956	0.42
1979	0.53
1908	0.82
1943	0.88
2024	0.91
1897	0.93
2022	0.98
1939	1.02
2025	1.10
1957	1.21

The hottest, coldest and wettest days

Hottest day: 96°F; 4 September 2026, 3 September 2026
Coldest night: 45°F; 5 October 2026
Wettest day: 1.25 in; 16 September 2026

Every month, season and year

Months

Seasons

Years

Peoria, IL the day's answers

All-time records

Every answer in words

Fall 2026 so far brought 3.88 in of precipitation in Peoria, IL, the wettest 1 September to 9 October since 2020, tied 68th wettest of 143 (with 2012).
The hottest day of fall 2026 so far in Peoria, IL: 96°F on Friday 4 September 2026 and Thursday 3 September 2026.
The coldest night of fall 2026 so far in Peoria, IL: a low of 45°F on Monday 5 October 2026.
The wettest day of fall 2026 so far in Peoria, IL: 1.25 in on Wednesday 16 September 2026.