Quincy, IL: August

31 August 2026: August 2026 averaged 75.1°F in Quincy, IL, the coldest August since 2025, tied 60th coldest of 126 (with 2014).

August 2026

Mean temperature: 75.1°F; Coldest since 2025; 60th coldest of 126
Precipitation: 2.97 in; Driest since 2025; 60th driest of 126

A normal August in Quincy, IL (1991 to 2020): a mean temperature of 75.1°F, between 71.1°F and 77.3°F in eight years of ten and 3.89 in of precipitation, between 0.27 in and 7.42 in in eight years of ten.

The mean temperature of every August in Quincy, IL since 1901: 75.1°F in 2026; the lowest is 68.3°F, in 1950.

Normal range, 71.1 to 77.3°F

Every year, ranked, as a table

Every August in Quincy, IL from 1901 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	75.1	66	83.8	92	66.5	32	2.97	67	0
2025	73.4	95	83.4	97	63.5	84	1.19	107	0
2024	75.3	60	85.2	70	65.5	54	2.01	90	0
2023	75	68	84.5	81	65.6	53	3.62	56	0
2022	75.8	52	85.8	58	65.8	45	0.72	117	0
2021	76.2	46	85.9	56	66.6	30	0.94	115	0
2020	73.6	89	84.1	89	63.1	90	0.07	125	0
2019	73.6	89	82.3	107	64.9	63	6.07	17	0
2018	76.5	40	86.5	47	66.5	32	4.78	32	0
2017	71.1	117	81.6	112	60.6	119	4.31	41	0
2016	75.7	55	84.1	89	67.4	24	7.29	9	0
2015	73	99	83	100	63	92	2.13	89	0
2014	75.1	66	83.2	99	67	29	6.17	15	0
2013	75.2	63	86.4	49	64	77	0.01	126	0
2012	75.3	60	88	38	62.6	96	5.97	18	0
2011	77.3	31	88.9	25	65.8	45	0.25	124	0
2010	77.6	30	87.3	39	67.9	19	3.16	64	0
2009	71.1	117	80.2	120	62	105	8.54	7	0
2008	72.7	106	82.5	105	62.8	94	2.29	86	0
2007	79.9	9	91	12	68.7	12	2.50	82	0
2006	75.8	52	85.5	64	66.1	38	3.94	49	0
2005	76.6	39	87.2	40	66	40	4.01	46	0
2004	69	123	79.5	123	58.6	123	10.74	3	0
2003	75.7	55	85.7	60	65.7	48	4.53	37	0
2002	75	68	84.6	79	65.5	54	5.31	27	0
2001	74.8	72	85.3	67	64.3	72	2.67	75	0
2000	76.5	40	85.7	60	67.4	24	5.11	30	0
1999	73.5	93	84.6	79	62.5	97	1.26	106	0
1998	76	49	85.5	64	66.5	32	1.06	112	0
1997	72.8	105	81.8	109	63.8	81	4.36	40	0
1996	73	99	82.4	106	63.7	82	2.62	79	0
1995	78.4	22	87	41	69.7	7	8.78	5	0
1994	72.5	107	83.4	97	61.6	110	2.46	84	0
1993	75.5	57	84.3	86	66.6	30	3.83	52	0
1992	68.6	125	78.9	126	58.3	124	0.27	123	0
1991	74.2	79	84.5	81	63.9	80	2.01	90	0
1990	74.1	80	83.7	93	64.6	69	2.67	75	0
1989	74.1	80	85	71	63.3	87	4.28	42	0
1988	79	15	90.6	15	67.5	23	2.84	72	0
1987	74.8	72	85.3	67	64.3	72	6.13	16	0
1986	69	123	80.2	120	57.9	125	1.11	110	0
1985	70.7	119	79.5	123	61.9	106	4.69	34	0
1984	76.5	40	88.3	35	64.7	67	0.42	119	0
1983	81.7	5	93.5	6	70	4	1.44	101	0
1982	71.5	114	80.3	119	62.8	94	4.22	44	0
1981	71.8	112	80.7	117	62.9	93	1.61	96	0
1980	79.7	11	89.9	20	69.5	8	4.93	31	0
1979	74.8	72	84.7	76	64.8	65	1.94	93	0
1978	74.3	76	84.4	85	64.3	72	1.58	97	0
1977	72.9	102	81.7	111	64.1	76	10.15	4	0
1976	72.3	109	83	100	61.5	112	4.20	45	0
1975	77.1	35	86.7	43	67.6	22	3.28	63	0
1974	71.9	110	81.3	116	62.5	97	5.47	25	0
1973	75.2	63	84.5	81	65.8	45	2.56	80	0
1972	74.3	76	83.7	93	64.9	63	5.15	28	0
1971	71.9	110	82.8	102	60.9	116	2.66	77	0
1970	74.1	80	82.2	108	66	40	10.84	1	0
1969	73.8	87	83.5	96	64.2	75	1.95	92	0
1968	74	84	82.8	102	65.1	62	3.87	51	0
1967	69.5	122	80.1	122	58.9	122	2.16	88	0
1966	70.3	121	80.6	118	59.9	120	1.39	102	0
1965	71.4	115	81.4	115	61.5	112	7.09	11	0
1964	73	99	84.2	88	61.7	108	3.49	60	0
1963	73.6	89	84	91	63.1	90	2.93	70	0
1962	75.3	60	86.6	46	64	77	1.38	103	0
1961	74.3	76	84.5	81	64	77	3.77	53	0
1960	75.8	52	85.6	62	66.1	38	2.64	78	0
1959	78.6	19	88.2	36	69	10	3.55	59	0
1958	75	68	85.5	64	64.5	70	2.47	83	0
1957	76.1	48	86.3	50	65.9	43	2.38	85	0
1956	75.9	50	86.5	47	65.3	61	6.45	13	0
1955	78.1	26	90.9	13	65.4	60	4.50	39	0
1954	75	68	84.3	86	65.7	48	7.71	8	0
1953	75.5	57	88.7	30	62.4	100	1.17	108	0
1952	72.9	102	84.8	74	61	115	1.90	94	0
1951	72.9	102	83.7	93	62.1	103	3.41	61	0
1950	68.3	126	79.5	123	57.2	126	1.45	100	0
1949	74	84	86.3	50	61.6	110	2.76	73	0
1948	75.2	63	86.7	43	63.7	82	1.07	111	0
1947	86.1	1	98.7	2	73.4	1	0.32	121	0
1946	72.4	108	81.5	113	63.2	89	6.51	12	0
1945	77.7	28	89.9	20	65.5	54	1.12	109	0
1944	76.3	44	86.7	43	65.9	43	5.65	24	0
1943	79.1	14	89.5	22	68.7	12	6.40	14	0
1942	73.9	86	85.3	67	62.4	100	5.71	22	0
1941	78.5	21	91.1	11	66	40	2.96	68	0
1940	75.4	59	86	55	64.7	67	5.90	19	0
1939	73.3	98	85.9	56	60.7	118	10.76	2	0
1938	79.9	9	91.4	10	68.4	14	5.14	29	0
1937	81.7	5	91.8	8	71.5	3	3.91	50	0
1936	86.1	1	98.9	1	73.3	2	0.77	116	0
1935	79	15	88.8	26	69.1	9	1.73	95	0
1934	81.2	7	93.6	5	68.8	11	2.52	81	0
1933	76.2	46	86.8	42	65.5	54	2.85	71	0
1932	76.8	37	86.2	54	67.3	27	8.78	5	0
1931	77.1	35	88.4	34	65.7	48	3.06	65	0
1930	80.3	8	92.8	7	67.9	19	1.06	112	0
1929	77.7	28	88.8	26	66.4	35	3.58	58	2
1928	78.3	24	88.6	31	68	18	4.54	36	0
1927	73.6	89	84.7	76	62.5	97	1.52	99	0
1926	78.4	22	88.5	33	68.3	15	5.83	21	0
1925	77.2	32	88.6	31	65.7	48	5.89	20	0
1924	78.8	18	89.5	22	68.2	16	3.41	61	0
1923	78.3	24	90.2	18	66.3	37	3.59	57	0
1922	79.4	12	91.5	9	67.2	28	2.68	74	0
1921	78.6	19	89.4	24	67.7	21	3.64	55	0
1920	76.4	43	88.1	37	64.8	65	0.56	118	0
1919	77.2	32	88.8	26	65.5	54	3.65	54	0
1918	82.2	4	94.4	4	70	4	3.03	66	0
1917	74.6	75	85.8	58	63.4	86	1.55	98	0
1916	79.2	13	90.3	17	68.2	16	5.45	26	1
1915	71.3	116	81.5	113	61.1	114	4.78	32	0
1914	78.9	17	90.4	16	67.4	24	3.99	47	0
1913	82.5	3	95.2	3	69.8	6	1.35	104	0
1912	76.3	44	86.3	50	66.4	35	3.97	48	0
1911	73.4	95	85	71	61.8	107	1.29	105	0
1910	73.5	93	84.8	74	62.3	102	0.41	120	0
1909	78	27	90.2	18	65.7	48	0.98	114	0
1908	73.7	88	85.6	62	61.7	108	2.25	87	0
1907	74.1	80	84.9	73	63.3	87	7.12	10	0
1906	75.9	50	86.3	50	65.5	54	5.68	23	0
1905	76.7	38	88.8	26	64.5	70	2.95	69	0
1904	70.5	120	81.8	109	59.2	121	4.65	35	0
1903	73.4	95	84.7	76	62.1	103	4.23	43	0
1902	71.7	113	82.6	104	60.9	116	4.53	37	0
1901	77.2	32	90.8	14	63.5	84	0.32	121	1

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1947	86.1
1936	86.1
1913	82.5
1918	82.2
1983	81.7
1937	81.7
1934	81.2
1930	80.3
2007	79.9
1938	79.9

Coldest
Year	Mean, °F
1950	68.3
1992	68.6
2004	69
1986	69
1967	69.5
1966	70.3
1904	70.5
1985	70.7
2017	71.1
2009	71.1

Wettest
Year	Precipitation, in
1970	10.84
1939	10.76
2004	10.74
1977	10.15
1995	8.78
1932	8.78
2009	8.54
1954	7.71
2016	7.29
1907	7.12

Driest
Year	Precipitation, in
2013	0.01
2020	0.07
2011	0.25
1992	0.27
1947	0.32
1901	0.32
1910	0.41
1984	0.42
1920	0.56
2022	0.72

The hottest, coldest and wettest days

Hottest day: 97°F; 31 August 2026
Coldest night: 56°F; 24 August 2026
Wettest day: 1.19 in; 15 August 2026

Every month, season and year

Months

Seasons

Years

Quincy, IL the day's answers

All-time records

Every answer in words

August 2026 brought 2.97 in of precipitation in Quincy, IL, the driest August since 2025, 60th driest of 126.
The hottest day of August 2026 in Quincy, IL: 97°F on Monday 31 August 2026.
The coldest night of August 2026 in Quincy, IL: a low of 56°F on Monday 24 August 2026.
The wettest day of August 2026 in Quincy, IL: 1.19 in on Saturday 15 August 2026.