Rockford, IL: August

31 August 2026: August 2026 averaged 71.7°F in Rockford, IL, the coldest August since 2025, tied 58th coldest of 127 (with 1978, 1962, 1957 and 1 other year).

August 2026

Mean temperature: 71.7°F; Coldest since 2025; 58th coldest of 127
Precipitation: 2.36 in; Driest since 2024; 37th driest of 128

A normal August in Rockford, IL (1991 to 2020): a mean temperature of 72.3°F, between 68.1°F and 74.5°F in eight years of ten and 3.63 in of precipitation, between 1.89 in and 6.90 in in eight years of ten.

The mean temperature of every August in Rockford, IL since 1893: 71.7°F in 2026; the lowest is 65.4°F, in 1915.

Normal range, 68.1 to 74.5°F

Every year, ranked, as a table

Every August 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	71.7	66	81.4	90	62.1	34	2.36	92	0
2025	70.6	90	80.7	99	60.5	72	3.30	64	0
2024	72.1	58	82.9	61	61.2	50	2.22	95	0
2023	71.6	71	81.1	95	62	36	1.41	115	0
2022	72.1	58	82.4	72	61.8	40	8.88	7	0
2021	75.1	12	86.5	12	63.6	17	3.61	59	0
2020	73.9	20	85.7	25	62	36	0.57	125	0
2019	71.5	74	82	80	60.9	59	5.55	27	0
2018	72.7	42	82.6	68	62.8	24	5.31	31	0
2017	69.3	108	80.1	107	58.5	104	3.02	73	0
2016	74.5	15	83.7	50	65.4	5	4.30	44	0
2015	71.1	82	81.6	87	60.5	72	5.20	33	0
2014	72.2	56	82	80	62.4	30	5.76	24	0
2013	72.1	58	83.4	54	60.9	59	2.92	76	0
2012	71.8	65	84	43	59.6	89	2.38	89	0
2011	72.6	46	82.6	68	62.5	28	4.47	43	0
2010	74.6	14	84.7	36	64.5	10	1.96	103	0
2009	68.1	119	77.7	123	58.5	104	7.19	13	0
2008	71.3	78	82.2	78	60.4	77	1.91	105	0
2007	74.5	15	83.8	48	65.3	6	13.98	1	0
2006	72.3	53	82.4	72	62.2	32	3.55	60	0
2005	72.5	49	83.8	48	61.3	48	5.10	35	0
2004	66	125	76.1	127	55.9	122	6.89	15	0
2003	74.3	18	86.2	16	62.4	30	0.48	126	0
2002	72.6	46	83.9	45	61.2	50	6.99	14	0
2001	72.8	41	82.8	63	62.7	25	4.22	46	0
2000	71.6	71	81.6	87	61.6	42	3.70	57	0
1999	68.7	114	79.1	110	58.3	108	3.19	68	0
1998	72.3	53	82	80	62.7	25	4.12	48	0
1997	68.5	117	78.3	118	58.7	102	3.40	62	0
1996	71.1	82	81.3	92	61	54	2.70	80	0
1995	77.1	3	86.1	19	68	1	3.25	65	0
1994	67.8	120	77.8	121	57.8	112	6.28	21	0
1993	72.7	42	82.4	72	63.1	21	3.07	70	0
1992	65.5	126	76.8	125	54.3	126	2.44	88	0
1991	73.8	21	85.7	25	61.8	40	1.69	109	0
1990	71.4	76	81.2	94	61.6	42	6.73	18	0
1989	70	100	80.4	104	59.7	87	6.23	22	0
1988	76.4	5	88	5	64.7	8	1.96	103	0
1987	70.8	87	79.6	108	62	36	13.55	2	0
1986	67.1	122	77.8	121	56.4	120	2.38	89	0
1985	68.2	118	78.9	114	57.6	115	4.71	40	0
1984	72.7	42	85.3	30	60.2	81	1.63	111	0
1983	77.2	2	88	5	66.4	4	2.47	87	0
1982	69	111	79	113	59	96	2.69	81	0
1981	71.1	82	80.8	98	61.5	44	9.18	5	0
1980	73.6	25	83.1	59	64.2	12	5.41	30	0
1979	69.9	101	79.1	110	60.8	61	6.74	17	0
1978	71.7	66	82.3	76	61	54	2.65	82	0
1977	68.6	116	77.9	119	59.3	94	5.31	31	0
1976	69.3	108	82.1	79	56.6	119	2.04	99	0
1975	73.1	36	82.8	63	63.4	19	4.08	49	0
1974	70.3	96	81	96	59.6	89	2.21	96	0
1973	73.1	36	83.4	54	62.9	23	1.89	106	0
1972	71.3	78	79.2	109	63.3	20	9.10	6	0
1971	70.7	89	83.3	56	58.1	110	1.48	114	0
1970	71.4	76	82.3	76	60.5	72	0.67	124	0
1969	71.6	71	82.5	71	60.8	61	2.14	97	0
1968	71.3	78	81.5	89	61.2	50	6.33	20	0
1967	66.1	124	76.8	125	55.4	124	3.71	55	0
1966	69.6	106	81.8	86	57.5	116	1.50	113	0
1965	69.7	105	78.8	115	60.6	66	9.27	4	0
1964	66.8	123	78.5	117	55.2	125	1.99	101	0
1963	69.8	103	81	96	58.5	104	1.84	108	0
1962	71.7	66	82.7	66	60.6	66	2.57	83	0
1961	72.3	53	83.9	45	60.8	61	1.12	121	0
1960	72.6	46	83.3	56	62	36	4.94	36	0
1959	75.8	8	85.1	33	66.5	3	4.74	39	0
1958	72.5	49	84.4	38	60.7	64	2.51	85	0
1957	71.7	66	82.4	72	61	54	4.55	42	0
1956	72	62	83	60	61	54	4.26	45	0
1955	76.3	7	88	5	64.5	10	3.75	52	0
1954	70.8	87	81.3	92	60.4	77	4.90	38	0
1953	73.4	29	86.3	14	60.6	66	1.65	110	0
1952	70.6	90	80.7	99	60.4	77	3.06	71	0
1951	68.7	114	77.9	119	59.5	91	4.92	37	0
1950	69.2	110	80.5	101	57.8	112	5.18	34	2
1949	73.6	25	86.3	14	61	54	1.31	118	0
1948	73.5	27	85.8	22	61.3	48	1.36	117	0
1947	80.6	1	93.6	1	67.5	2	2.03	100	0
1945	72.5	49	84.4	38	60.5	72	3.41	61	0
1944	72.9	39	85.5	27	60.7	64	5.60	25	1
1943	73.2	31	83.7	50	62.6	27	6.88	16	0
1942	71.2	81	83.2	58	59.2	95	7.88	10	1
1941	73.1	36	85.9	20	60.3	80	3.33	63	0
1940	71.7	66	81.9	83	61.5	44	7.95	9	0
1939	72	62	84.3	40	59.8	86	2.37	91	0
1938	74.7	13	86.4	13	63	22	5.54	28	0
1937	77	4	90.3	2	63.7	16	3.71	55	0
1936	76.4	5	90.3	2	62.5	28	10.73	3	0
1935	73.2	31	85	34	61.5	44	6.23	22	1
1934	72.4	52	85.4	28	59.4	92	2.54	84	0
1933	70.6	90	84	43	57.2	117	1.38	116	0
1932	73.2	31	86.2	16	60.2	81	2.51	85	0
1931	72.2	56	85.8	22	58.7	102	2.78	78	0
1930	73.8	21	87.9	8	59.7	87	1.08	122	0
1929	70.3	96	83.5	53	57.2	117	1.60	112	0
1928	73.8	21	85.4	28	62.2	32	4.58	41	0
1927			82.6	68			1.20	119	8
1926	73.5	27	85	34	62.1	34	2.97	75	0
1925	72.1	58	86.2	16	58.1	110	3.20	67	0
1924	70.4	94	81.9	83	58.8	101	6.69	19	0
1923	71	85	83.7	50	58.3	108	4.08	49	0
1922	73.2	31	87.5	9	58.9	98	0.21	128	0
1921	72.7	42	84.7	36	60.6	66	4.21	47	1
1920	70.5	93	85.2	31	55.7	123	2.26	93	2
1919	69.8	103	81.9	83	57.7	114	3.00	74	0
1918	75.8	8	86.9	11	64.8	7	3.19	68	0
1917	70.3	96	84.2	41	56.3	121	0.45	127	0
1916	75.5	11	89.4	4	61.5	44	1.98	102	0
1915	65.4	127	77.1	124	53.7	127	2.05	98	0
1914	72.9	39	85.8	22	60	84	2.25	94	0
1913	73.2	31	85.9	20	60.6	66	2.78	78	0
1912	67.5	121	76.1	127	58.9	98	5.56	26	0
1911	70.1	99	80.2	105	60	84	8.70	8	1
1910	71.9	64	82.8	63	61.1	53	3.66	58	0
1909	73.8	21	84.1	42	63.5	18	7.69	11	0
1908	69.5	107	80.5	101	58.4	107	1.87	107	0
1907	69	111	79.1	110	59	96	2.80	77	0
1906	74.3	18	83.9	45	64.7	8	3.23	66	0
1905	73.3	30	82.7	66	63.9	14	3.75	52	0
1904	69.9	101	80.5	101	59.4	92	4.06	51	0
1903	68.8	113	78.6	116	58.9	98	7.59	12	0
1898	71	85	81.4	90	60.5	72	5.46	29	0
1897	71.5	74	82.9	61	60.1	83	0.90	123	0
1896	74.5	15	85.2	31	63.8	15	3.75	52	0
1895	75.8	8	87.5	9	64.1	13	3.06	71	0
1893	70.4	94	80.2	105	60.6	66	1.13	120	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1947	80.6
1983	77.2
1995	77.1
1937	77
1988	76.4
1936	76.4
1955	76.3
1959	75.8
1918	75.8
1895	75.8

Coldest
Year	Mean, °F
1915	65.4
1992	65.5
2004	66
1967	66.1
1964	66.8
1986	67.1
1912	67.5
1994	67.8
2009	68.1
1985	68.2

Wettest
Year	Precipitation, in
2007	13.98
1987	13.55
1936	10.73
1965	9.27
1981	9.18
1972	9.10
2022	8.88
1911	8.70
1940	7.95
1942	7.88

Driest
Year	Precipitation, in
1922	0.21
1917	0.45
2003	0.48
2020	0.57
1970	0.67
1897	0.90
1930	1.08
1961	1.12
1893	1.13
1927	1.20

The hottest, coldest and wettest days

Hottest day: 88°F; 31 August 2026
Coldest night: 50°F; 24 August 2026
Wettest day: 0.65 in; 11 August 2026

Every month, season and year

Months

Seasons

Years

Rockford, IL the day's answers

All-time records

Every answer in words

August 2026 brought 2.36 in of precipitation in Rockford, IL, the driest August since 2024, 37th driest of 128.
The hottest day of August 2026 in Rockford, IL: 88°F on Monday 31 August 2026.
The coldest night of August 2026 in Rockford, IL: a low of 50°F on Monday 24 August 2026.
The wettest day of August 2026 in Rockford, IL: 0.65 in on Tuesday 11 August 2026.