Chicago, IL: 2026

9 October 2026: 2026 so far averaged 56.4°F in Chicago, IL, the warmest 1 January to 9 October since 2024, tied 10th warmest of 154 (with 1998 and 1880).

2026 so far, to 9 October 2026

Mean temperature: 56.4°F; Warmest since 2024; 10th warmest of 154
Precipitation: 36.08 in; Wettest since 2019; 10th wettest of 156

A normal 1 January to 9 October in Chicago, IL (1991 to 2020): a mean temperature of 53.7°F, between 51.7°F and 56.4°F in eight years of ten and 30.48 in of precipitation, between 21.75 in and 41.55 in in eight years of ten.

The mean temperature of every 1 January to 9 October in Chicago, IL since 1873: 56.4°F in 2026; the highest is 58.4°F, in 1921.

Normal range, 51.7 to 56.4°F

Every year, ranked, as a table

Every 1 January to 9 October in Chicago, IL from 1871 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	56.4	10	65.2	9	47.5	21	36.08	10	0
2025	55.9	17	64.7	19	47	30	24.29	114	0
2024	58.2	3	67	2	49.3	3	28.19	73	0
2023	57	4	65.8	4	48.2	11	27.94	76	0
2022	54.6	44	63.2	41	46	49	27.36	83	0
2021	56.5	7	64.8	16	48.1	12	22.21	135	0
2020	56.5	7	65.1	12	47.9	14	31.62	45	0
2019	53.3	73	61.8	73	44.8	86	41.96	2	0
2018	55.1	30	63.8	34	46.5	38	41.53	4	0
2017	56.6	6	65.8	4	47.4	23	32.83	31	0
2016	55.6	19	64.3	24	47	30	29.96	57	0
2015	51.8	117	60.9	97	42.8	128	28.32	69	0
2014	50.6	140	60.1	108	41.1	147	35.87	14	0
2013	53.3	73	62.3	56	44.4	97	35.97	13	0
2012	58.3	2	68.1	1	48.5	9	21.15	144	0
2011	53	83	61.5	83	44.5	95	41.76	3	0
2010	55.5	22	64.2	26	46.9	32	32.24	38	0
2009	51.7	122	60.7	101	42.6	130	34.39	24	0
2008	52.4	100	61.5	83	43.3	118	42.27	1	0
2007	54.9	36	64.1	28	45.7	53	29.74	61	0
2006	55.5	22	64.6	20	46.5	38	32.49	33	0
2005	55.3	25	65	13	45.6	58	19.97	152	0
2004	52.6	94	62.3	56	42.8	128	24.22	115	0
2003	51.4	127	61.1	94	41.7	142	24.13	117	0
2002	55	33	64.2	26	45.7	53	30.35	55	0
2001	53	83	62.2	60	43.7	113	36.06	11	0
2000	54.2	56	63.5	37	45	81	28.40	68	0
1999	54	59	63.5	37	44.6	93	34.90	21	0
1998	56.4	10	65	13	47.8	15	30.60	52	0
1997	51.8	117	61.2	93	42.4	134	26.29	91	0
1996	50.6	140	60.1	108	41.1	147	25.89	94	0
1995	54.5	48	63.6	36	45.3	72	25.68	96	0
1994	52	110	62	69	42	141	21.82	139	0
1993	51.7	122	60.8	98	42.6	130	40.68	5	0
1992	52	110	61.6	78	42.3	136	20.67	147	0
1991	55.1	30	65.2	9	45	81	25.52	101	0
1990	54.9	36	64.1	28	45.7	53	34.27	26	0
1989	52.2	105	62	69	42.4	134	25.58	99	0
1988	53.5	70	64.4	22	42.5	132	20.27	149	0
1987	55.5	22	65.6	7	45.4	65	33.23	30	0
1986	53.1	80	62.9	45	43.3	118	28.29	70	0
1985	50.9	134	61.3	90	40.5	150	26.99	84	0
1984	50.9	134	61	96	40.9	149	25.58	99	0
1983	53.6	67	63.3	40	43.9	110	36.25	9	0
1982	50	146	60.4	104	39.7	153	28.29	70	0
1981	52.4	100	62.5	54	42.2	137	34.78	23	0
1980	51.9	114	61.7	76	42.1	140	31.48	47	0
1979	50.1	145	58.6	132	41.7	142	32.05	40	0
1978	51.1	131	60	112	42.2	137	26.50	89	0
1977	54.7	41	64	30	45.5	61	35.79	16	0
1976	54.7	41	64.4	22	45	81	31.65	42	0
1975	53.8	63	62.2	60	45.4	65	34.32	25	0
1974	52.9	85	61.8	73	44	108	31.29	48	0
1973	56.1	13	64.5	21	47.7	17	29.24	67	0
1972	52.5	97	61.3	90	43.7	113	29.67	62	0
1971	53.8	63	63.2	41	44.4	97	22.27	134	0
1970	54.1	58	62.8	48	45.4	65	36.31	8	0
1969	54	59	62.9	45	45.1	77	29.77	60	0
1968	54.8	38	64	30	45.7	53	21.07	145	0
1967	52.8	87	61.3	90	44.3	101	30.59	53	0
1966	53.2	78	62.1	64	44.4	97	26.95	85	0
1965	52.5	97	61.1	94	43.9	110	35.66	17	0
1964	55.3	25	64.8	16	45.7	53	23.82	122	0
1963	53.3	73	62.9	45	43.7	113	25.43	102	0
1962	53.5	70	62	69	45.1	77	20.02	151	0
1961	54.4	53	63	44	45.8	51	35.86	15	0
1960	53.7	65	61.8	73	45.5	61	23.78	123	1
1959	55.1	30	64	30	46.2	46	32.25	37	0
1958	53.1	80	61.4	87	44.8	86	23.14	130	0
1957	53.9	62	62.2	60	45.6	58	36.47	7	0
1956	54.5	48	63.4	39	45.5	61	19.36	155	0
1955	56.9	5	66.4	3	47.3	24	27.41	81	0
1954	56.5	7	65.7	6	47.2	26	37.38	6	0
1953	56	15	65.5	8	46.5	38	24.68	108	0
1952	54.8	38	64.3	24	45.4	65	23.21	129	0
1951	52.4	100	61.6	78	43.2	122	35.29	20	0
1950	52.2	105	61.4	87	43.1	125	35.32	19	0
1949	55	33	64.8	16	45.3	72	24.89	106	0
1948	52.6	94	61.9	72	43.3	118	25.95	93	0
1947	52.3	104	61.6	78	43	126	32.36	34	0
1946	54.8	38	65	13	44.6	93	22.96	131	0
1945	52.8	87	62.1	64	43.5	117	32.32	35	0
1944	54.7	41	64	30	45.4	65	23.94	119	0
1943	52.7	91	62.3	56	43	126	29.38	65	1
1942	54.2	56	62.2	60	46.2	46	28.23	72	0
1941	54.5	48	61.7	76	47.3	24	28.16	74	0
1940	50.9	134	57.9	141	44	108	20.67	147	0
1939	55.2	29	63.2	41	47.1	28	24.08	118	0
1938	55.3	25	62.5	54	48.1	12	31.96	41	0
1937	52.8	87	60.3	106	45.4	65	22.70	132	0
1936	52.2	105	60	112	44.5	95	24.96	105	0
1935	52.7	91	59.6	120	45.8	51	31.54	46	0
1934	54.5	48	62.8	48	46.3	44	14.66	156	0
1933	55.6	19	62.8	48	48.4	10	26.30	90	0
1932	54.4	53	61.6	78	47.2	26	24.70	107	0
1931	56	15	62.8	48	49.2	4	29.95	58	0
1930	54.5	48	62.1	64	46.9	32	20.05	150	0
1929	51.9	114	59.5	121	44.3	101	30.66	51	0
1928	52.1	108	59.5	121	44.7	88	25.28	104	0
1927	53.5	70	60.4	104	46.6	35	31.63	44	0
1926	51.6	125	58.7	131	44.4	97	29.89	59	1
1925	55	33	62.3	56	47.7	17	22.69	133	0
1924	50.7	138	57.3	146	44.1	107	32.09	39	0
1923	52.4	100	59.2	124	45.6	58	24.50	111	0
1922	55.3	25	62.1	64	48.6	8	25.65	98	0
1921	58.4	1	65.2	9	51.6	1	25.66	97	0
1920	51.9	114	58.8	127	45.1	77	24.40	112	0
1919	55.6	19	62.1	64	49.1	5	27.39	82	0
1918	52	110	59.3	123	44.7	88	24.54	110	1
1917	50.3	143	57.4	145	43.2	122	19.84	154	0
1916	53.7	65	60.8	98	46.6	35	25.86	95	0
1915	52.5	97	58.6	132	46.3	44	29.61	64	0
1914	54.6	44	61.5	83	47.7	17	23.48	125	0
1913	54	59	61.5	83	46.5	38	23.32	128	0
1912	50.3	143	57.3	146	43.3	118	24.61	109	0
1911	55.8	18	62.7	52	48.9	7	26.10	92	0
1910	54.6	44	61.4	87	47.7	17	23.93	120	0
1909	53.3	73	59.7	119	46.9	32	34.00	28	0
1908	54.6	44	61.6	78	47.5	21	30.43	54	0
1907	52	110	58.9	125	45.1	77	30.28	56	1
1906	54.3	55	60.8	98	47.8	15	23.42	126	0
1905	51.3	129	58.4	136	44.2	106	30.83	49	0
1904	48.8	151	55.8	153	41.7	142	24.36	113	0
1903	51.8	117	58.5	134	45.2	74	25.31	103	0
1902	50.9	134	57.6	144	44.3	101	32.31	36	0
1901	51.4	127	58	139	44.7	88	21.22	143	0
1900	51.8	117	58.9	125	44.7	88	23.49	124	0
1899	51.3	129	58.3	137	44.3	101	21.46	141	0
1898	53.6	67	60.1	108	47.1	28	27.76	79	0
1897	52.1	108	58.8	127	45.4	65	21.00	146	0
1896	52.9	85	59.8	118	46.1	48	29.28	66	0
1895	50.6	140	58	139	43.2	122	19.89	153	0
1894	53.1	80	60.2	107	45.9	50	23.89	121	0
1893	49.3	148	56.1	151	42.5	132	22.13	137	0
1892	50	146	56.2	150	43.8	112	30.75	50	0
1891	51.5	126	58.1	138	45	81	21.27	142	0
1890	51.7	122	58.5	134	44.9	85	26.59	88	0
1889	51	133	57.8	142	44.3	101	27.93	77	0
1888	48.6	153	56.6	148	40.5	150	24.14	116	0
1887	51.1	131	60.1	108	42.2	137	22.19	136	0
1886	52.8	87	60.5	103	45.2	74	21.93	138	0
1885	49.1	150	56.5	149	41.6	145	35.47	18	0
1884	50.7	138	57.7	143	43.6	116	26.85	86	0
1883	48.7	152	56	152	41.4	146	33.61	29	0
1882	53.2	78	59.9	115	46.4	43	35.98	12	0
1881	51.8	117	58.8	127	44.7	88	27.95	75	0
1880	56.4	10	63.8	34	49	6	34.81	22	0
1879	52.7	91	59.9	115	45.5	61	21.52	140	0
1878	56.1	13	62.6	53	49.7	2	34.10	27	0
1877	52.6	94	60	112	45.2	74	27.78	78	0
1876	53.6	67	60.6	102	46.5	38	31.64	43	0
1875	47.1	154	54.9	154	39.3	154	32.72	32	0
1874	53.3	73	59.9	115	46.6	35	23.42	126	0
1873	49.3	148	58.8	127	39.9	152	29.66	63	0
1872							27.59	80	163
1871							26.67	87	282

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1921	58.4
2012	58.3
2024	58.2
2023	57
1955	56.9
2017	56.6
2021	56.5
2020	56.5
1954	56.5
2026	56.4
More years share the last value

Coldest
Year	Mean, °F
1875	47.1
1888	48.6
1883	48.7
1904	48.8
1885	49.1
1893	49.3
1873	49.3
1982	50
1892	50
1979	50.1

Wettest
Year	Precipitation, in
2008	42.27
2019	41.96
2011	41.76
2018	41.53
1993	40.68
1954	37.38
1957	36.47
1970	36.31
1983	36.25
2026	36.08

Driest
Year	Precipitation, in
1934	14.66
1956	19.36
1917	19.84
1895	19.89
2005	19.97
1962	20.02
1930	20.05
1988	20.27
1992	20.67
1940	20.67

The hottest, coldest and wettest days

Hottest day: 96°F; 2 September 2026, 14 July 2026
Coldest night: -11°F; 23 January 2026
Wettest day: 2.43 in; 14 April 2026

Month by month

Month	Mean temperature	Precipitation
January	21.9°F 52nd coldest of 154	2.53 in 39th wettest of 156
February	33.1°F 25th warmest of 154	0.16 in 3rd driest of 156
March	43.9°F 14th warmest of 154	4.54 in 14th wettest of 156
April	53.8°F 7th warmest of 154	7.19 in 7th wettest of 156
May	60.1°F 49th warmest of 154	1.17 in 10th driest of 156
June	70.5°F 54th warmest of 154	5.00 in 41st wettest of 156
July	76.8°F 21st warmest of 155	5.36 in 23rd wettest of 156
August	74.2°F 40th warmest of 155	5.02 in 34th wettest of 156
September	70.1°F 10th warmest of 155	3.70 in 50th wettest of 156
October so far	62.3°F 37th warmest of 155	1.41 in 27th wettest of 156

Hot days and freezes

Chicago, IL has had 16 days at 90°F or above in 2026 through 9 October, the most by that date since 2025, tied 65th most of 154 (with 2022, 2017, 2016 and 7 other years).
Chicago, IL has had 71 freezing nights (a low of 32°F or below) in 2026 through 9 October, the most by that date since 2022, tied 111th most of 154 (with 1954, 1953 and 1908).
The last freeze of spring 2026 in Chicago, IL came on Saturday 2 May 2026, the latest since 2020, tied 17th latest of 154 (with 1978, 1940 and 1875).

Daily records set

Date	Record	Value	Before	Check
30 March	Warmest day	81°F	79°F 1998, 1986	Provisional
9 March	Warmest day	73°F	69°F 2021, 1974	Provisional
16 February	Warmest day	65°F	58°F 1921	Provisional

Daily records set and not listed: 0

Every month, season and year

Months

Seasons

Years

2025
2026

Chicago, IL the day's answers

All-time records

Every answer in words

2026 so far brought 36.08 in of precipitation in Chicago, IL, the wettest 1 January to 9 October since 2019, 10th wettest of 156.
The hottest day of 2026 so far in Chicago, IL: 96°F on Wednesday 2 September 2026 and Tuesday 14 July 2026.
The coldest night of 2026 so far in Chicago, IL: a low of -11°F on Friday 23 January 2026.
The wettest day of 2026 so far in Chicago, IL: 2.43 in on Tuesday 14 April 2026.