Rockford, IL: Summer

31 August 2026: Summer 2026 averaged 72°F in Rockford, IL, the warmest summer since 2025, 60th warmest of 127.

Summer 2026

Mean temperature: 72°F; Warmest since 2025; 60th warmest of 127
Precipitation: 11.25 in; Driest since 2023; 62nd driest of 127

A normal summer in Rockford, IL (1991 to 2020): a mean temperature of 71.7°F, between 69.5°F and 74.1°F in eight years of ten and 13.71 in of precipitation, between 7.05 in and 18.01 in in eight years of ten.

The mean temperature of every summer in Rockford, IL since 1893: 72°F in 2026; the highest is 76.3°F, in 1921.

Normal range, 69.5 to 74.1°F

Every year, ranked, as a table

Every summer in Rockford, IL from 1893 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	72	60	82.1	79	61.9	29	11.25	66	0
2025	73.3	26	83.7	41	62.9	13	13.17	51	0
2024	72.9	32	83.3	54	62.5	18	14.48	43	0
2023	71.3	77	82.5	72	60	76	7.63	108	0
2022	72.4	49	83.6	46	61.3	40	16.52	19	0
2021	75.1	6	85.9	17	64.3	1	7.14	112	0
2020	74.7	9	86	15	63.4	8	7.37	111	0
2019	72.8	36	83.2	55	62.3	22	11.56	62	0
2018	72.2	56	82.3	75	62.1	25	21.92	3	0
2017	71.6	70	82.5	72	60.7	61	17.94	11	0
2016	73.7	18	83.8	40	63.6	5	14.36	44	0
2015	70.9	88	81.2	93	60.7	61	13.34	49	0
2014	70.8	89	80.8	101	60.7	61	16.28	22	0
2013	71.4	73	81.9	84	60.8	58	12.56	56	0
2012	75.2	5	87.5	6	62.9	13	5.72	124	0
2011	74	16	84.3	36	63.6	5	12.51	57	0
2010	73.5	22	83.5	47	63.5	7	17.49	13	0
2009	67.8	125	77.7	126	58	115	17.15	15	0
2008	71.7	68	82.2	77	61.1	44	15.53	32	0
2007	72.9	32	83.4	50	62.4	20	20.48	7	0
2006	71.7	68	82.1	79	61.3	40	10.51	74	0
2005	73.7	18	85.3	23	62.1	25	9.00	97	0
2004	68	123	78	125	57.9	118	15.03	38	0
2003	71	84	82.7	67	59.3	102	6.76	114	0
2002	73.4	23	84.6	35	62.1	25	16.19	26	0
2001	71.9	61	82.7	67	61.1	44	7.08	113	0
2000	69.8	106	79.8	113	59.9	78	16.25	24	0
1999	71.8	65	82.1	79	61.5	35	12.34	58	0
1998	70.7	90	80.5	107	60.9	53	14.07	46	0
1997	69.9	103	80.2	110	59.6	93	9.75	89	0
1996	69.7	108	79.8	113	59.5	97	17.37	14	0
1995	74.7	9	85.1	26	64.2	4	9.75	89	0
1994	70.1	101	81.1	94	59.2	103	15.16	36	0
1993	71.3	77	80.8	101	61.8	30	18.64	10	0
1992	67.4	126	78.4	122	56.3	125	8.74	99	0
1991	73.6	20	85.6	19	61.6	34	5.77	123	0
1990	71	84	81	98	61.1	44	20.90	5	0
1989	71	84	81.8	85	60.2	72	16.30	20	0
1988	74.8	7	88.1	4	61.4	37	4.81	126	0
1987	73.2	27	83.5	47	62.9	13	21.65	4	0
1986	70.3	98	80.8	101	59.8	83	9.29	93	0
1985	68.9	118	80.2	110	57.6	121	11.03	69	0
1984	71.4	73	83.4	50	59.5	97	8.54	100	0
1983	75.3	4	86.2	14	64.3	1	7.87	106	0
1982	69.5	110	80.1	112	59	107	15.89	27	0
1981	71.2	80	81.3	89	61.1	44	16.20	25	0
1980	71.9	61	82.7	67	61.2	43	15.05	37	0
1979	69.9	103	80.4	108	59.4	100	15.83	28	0
1978	71	84	81.6	86	60.5	66	15.69	29	0
1977	70.5	94	81.1	94	59.9	78	14.71	40	0
1976	70.5	94	83.1	58	57.9	118	6.25	120	0
1975	72.3	53	82.8	64	61.7	33	10.06	84	0
1974	70.6	92	81.6	86	59.6	93	9.99	86	0
1973	72.4	49	82.7	67	62.1	25	12.86	53	0
1972	69.4	111	79	118	59.8	83	25.76	1	0
1971	71.8	65	83.7	41	59.9	78	6.66	117	0
1970	71.2	80	82	83	60.4	68	9.16	95	0
1969	69.3	113	79	118	59.6	93	16.76	17	0
1968	70.6	92	80.8	101	60.5	66	15.21	34	0
1967	68	123	78.4	122	57.5	122	15.01	39	0
1966	71.4	73	83.1	58	59.8	83	7.62	109	0
1965	70.2	99	81.3	89	59.1	105	15.64	30	0
1964	69.4	111	80.8	101	58	115	13.70	47	0
1963	71.5	72	82.9	63	60.2	72	11.27	65	0
1962	70.1	101	80.4	108	59.7	88	10.01	85	0
1961	71.2	80	82.5	72	59.9	78	6.69	116	0
1960	70.4	96	81.1	94	59.7	88	12.95	52	0
1959	72.8	36	83.4	50	62.2	24	16.30	20	0
1958	69.1	115	79.8	113	58.3	113	11.23	67	0
1957	72.3	53	83.1	58	61.5	35	10.24	81	1
1956	72.4	49	83.7	41	61	51	10.73	70	0
1955	74.1	14	85.5	20	62.7	17	9.92	87	0
1954	72.5	44	83.7	41	61.3	40	13.23	50	0
1953	73.4	23	85.4	21	61.4	37	10.09	83	0
1952	72.8	36	83.2	55	62.3	22	19.65	8	0
1951	68.6	121	78.5	121	58.8	109	15.26	33	0
1950	69.8	106	81.6	86	58	115	17.04	16	2
1949	74.8	7	86.8	9	62.8	16	10.53	73	0
1948	72.7	39	85	29	60.4	68	5.57	125	0
1947	73.1	28	85.4	21	60.9	53	9.79	88	0
1945	69.9	103	81.3	89	58.5	110	11.17	68	0
1944	72.7	39	84.8	32	60.7	61	14.13	45	1
1943	73.6	20	84.8	32	62.5	18	14.68	42	1
1942	71.9	61	83.4	50	60.4	68	16.26	23	1
1941	72.7	39	85.1	26	60.3	71	12.64	54	0
1940	72.6	42	84.2	37	60.9	53	21.98	2	0
1939	73	30	85	29	60.9	53	7.98	105	0
1938	72.5	44	84.2	37	60.8	58	16.58	18	0
1937	73.9	17	86.7	10	61.1	44	8.02	104	0
1936	74.6	11	89.4	1	59.8	83	15.21	34	0
1935	72.3	53	83.7	41	60.8	58	19.33	9	1
1934	75.8	3	89.2	3	62.4	20	8.43	101	0
1933	74.4	12	87.7	5	61.1	44	9.28	94	1
1932	73.4	23	86.7	10	60.1	74	6.71	115	0
1931	74.2	13	87.2	8	61.1	44	10.30	78	0
1930	72.9	32	86.4	12	59.4	100	8.09	103	0
1929	70.7	90	83.5	47	57.9	118	9.37	92	0
1928	71.3	77	83	62	59.7	88	13.43	48	0
1927	69	117	82.8	64	55.2	126	3.82	127	8
1926	70.2	99	82.3	75	58.1	114	20.51	6	0
1925	72.1	57	85.2	24	59	107	9.64	91	0
1924	68.7	120	80.8	101	56.6	124	15.56	31	0
1923	73	30	86.3	13	59.7	88	10.51	74	1
1922	72.5	44	85.9	17	59.1	105	5.83	122	0
1921	76.3	1	89.3	2	63.3	9	8.29	102	1
1920									32
1919	73.1	28	85.2	24	61	51	10.26	80	0
1918	71.4	73	83.1	58	59.7	88	6.34	118	1
1917	69.1	115	81.3	89	56.8	123	6.24	121	0
1916	72.6	42	86	15	59.2	103	10.27	79	0
1915	66.3	127	77.5	127	55	127	12.58	55	0
1914	72.4	49	84.8	32	60	76	10.46	76	0
1913	72.5	44	85.1	26	59.9	78	10.22	82	0
1912	68.3	122	78.2	124	58.4	111	17.55	12	0
1911	72.5	44	83.2	55	61.8	30	11.90	61	1
1910	72.1	57	84.1	39	60.1	74	6.29	119	0
1909	71.2	80	81	98	61.4	37	12.18	59	0
1908	69.6	109	79.7	116	59.5	97	8.77	98	0
1907	69.3	113	78.9	120	59.6	93	11.97	60	0
1906	71.9	61	82.1	79	61.8	30	11.51	64	0
1905	72.9	32	82.2	77	63.2	10	11.54	63	3
1904	70.4	96	81	98	59.8	83	10.55	72	0
1903	68.8	119	79.3	117	58.4	111	14.70	41	0
1898	71.6	70	82.6	71	60.6	65	10.57	71	0
1897	71.8	65	82.8	64	60.9	53	7.70	107	0
1896	74.1	14	85	29	63.2	10	10.45	77	0
1895	75.9	2	87.5	6	64.3	1	7.52	110	0
1893	72.1	57	81.1	94	63.1	12	9.13	96	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1921	76.3
1895	75.9
1934	75.8
1983	75.3
2012	75.2
2021	75.1
1988	74.8
1949	74.8
2020	74.7
1995	74.7

Coldest
Year	Mean, °F
1915	66.3
1992	67.4
2009	67.8
2004	68
1967	68
1912	68.3
1951	68.6
1924	68.7
1903	68.8
1985	68.9

Wettest
Year	Precipitation, in
1972	25.76
1940	21.98
2018	21.92
1987	21.65
1990	20.90
1926	20.51
2007	20.48
1952	19.65
1935	19.33
1993	18.64

Driest
Year	Precipitation, in
1927	3.82
1988	4.81
1948	5.57
2012	5.72
1991	5.77
1922	5.83
1917	6.24
1976	6.25
1910	6.29
1918	6.34

The hottest, coldest and wettest days

Hottest day: 96°F; 27 July 2026
Coldest night: 45°F; 3 June 2026
Wettest day: 2.09 in; 11 June 2026

Every month, season and year

Months

Seasons

Years

Rockford, IL the day's answers

All-time records

Every answer in words

Summer 2026 brought 11.25 in of precipitation in Rockford, IL, the driest summer since 2023, 62nd driest of 127.
The hottest day of summer 2026 in Rockford, IL: 96°F on Monday 27 July 2026.
The coldest night of summer 2026 in Rockford, IL: a low of 45°F on Wednesday 3 June 2026.
The wettest day of summer 2026 in Rockford, IL: 2.09 in on Thursday 11 June 2026.