Lewiston, ID: August

31 August 2026: August 2026 averaged 75.9°F in Lewiston, ID, the warmest August since 2025, 34th warmest of 134.

August 2026

Mean temperature: 75.9°F; Warmest since 2025; 34th warmest of 134
Precipitation: 0.09 in; Driest since 2017; 37th driest of 135

A normal August in Lewiston, ID (1991 to 2020): a mean temperature of 75.3°F, between 72.8°F and 76.9°F in eight years of ten and 0.25 in of precipitation, between 0.03 in and 1.37 in in eight years of ten.

The mean temperature of every August in Lewiston, ID since 1882: 75.9°F in 2026; the highest is 80.1°F, in 2022.

Normal range, 72.8 to 76.9°F

Every year, ranked, as a table

Every August in Lewiston, ID from 1882 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	75.9	34	91.1	42	60.7	30	0.09	98	0
2025	77.8	8	91.6	36	63.9	2	0.29	73	0
2024	76.3	29	90.8	48	61.8	15	0.44	63	0
2023	77.2	18	90.6	53	63.7	3	0.83	39	0
2022	80.1	1	95.6	5	64.6	1	0.16	87	0
2021	76	32	89.2	75	62.7	5	0.23	79	0
2020	76	32	90.5	54	61.5	19	0.13	92	0
2019	76.9	21	91.3	39	62.4	8	0.26	76	0
2018	75.3	40	90	61	60.6	33	0.46	61	0
2017	77.3	17	93.2	22	61.4	21	0.02	115	0
2016	75.2	43	90.8	48	59.5	48	0.24	77	0
2015	76.5	26	90.9	45	62	13	0.01	120	0
2014	76.7	22	90.8	48	62.5	7	1.17	27	0
2013	77.2	18	92.3	27	62.1	11	0.50	55	0
2012	77.4	14	94	14	60.7	30	trace	124	0
2011	75.5	39	91.3	39	59.7	43	0.05	106	0
2010	73.1	90	87.5	103	58.7	59	0.24	77	0
2009	74.7	59	88.3	96	61.2	26	1.76	7	0
2008	74.1	70	88.5	92	59.7	43	0.82	40	0
2007	73.5	82	88.7	86	58.3	69	0.37	68	0
2006	73.9	72	89.6	66	58.3	69	0.18	85	0
2005	75.2	43	90.9	45	59.4	51	0.05	106	0
2004	75.8	35	89.5	68	62	13	1.81	6	0
2003	75.6	37	90.4	56	60.9	27	0.39	66	0
2002	70.5	115	85	114	55.9	111	1.38	16	0
2001	76.5	26	92.4	26	60.6	33	0.14	90	0
2000	73.6	79	88.9	82	58.3	69	0.12	94	0
1999	75.3	40	89.1	78	61.5	19	1.06	30	0
1998	76.4	28	92.2	30	60.5	35	0.17	86	0
1997	76.2	31	90.8	48	61.6	18	0.47	57	0
1996	73.4	85	88.7	86	58.1	76	0.07	102	0
1995	69.9	120	83.8	117	56.1	108	1.31	19	0
1994	75.1	49	89.8	63	60.5	35	0.08	100	0
1993	70.2	117	83.7	118	56.7	100	0.62	48	0
1992	73.3	88	88.4	95	58.3	69	1.37	17	0
1991	75.1	49	90.3	59	59.8	41	0.03	111	0
1990	75.6	37	88.6	89	62.6	6	0.71	43	0
1989	71.4	109	83.2	124	59.5	48	2.96	1	0
1988	73.8	76	89.3	71	58.4	68	0.08	100	0
1987	72	103	87.1	107	56.9	98	0.34	70	0
1986	77.7	10	93	23	62.3	9	0.84	38	0
1985	69.5	125	83.2	124	55.7	114	0.91	37	0
1984	75	52	89.7	64	60.2	39	0.93	34	0
1983	76.6	23	92	32	61.3	25	0.93	34	0
1982	74.3	67	89.2	75	59.5	48	0.47	57	0
1981	77.7	10	94.5	11	60.9	27	0.01	120	0
1980	68.8	127	83.4	122	54.1	128	0.47	57	0
1979	75	52	89.2	75	60.7	30	0.57	52	0
1978	71.1	113	83.5	121	58.6	62	1.90	4	0
1977	77.4	14	91.7	34	63	4	1.65	9	0
1976	70	118	83	127	57	95	1.76	7	0
1975	70.4	116	83.7	118	57.1	92	1.09	29	0
1974	73.7	78	89	79	58.3	69	0.01	120	0
1973	74.8	58	90.4	56	59.1	54	0.02	115	0
1972	75.1	49	90.5	54	59.6	45	0.68	45	0
1971	78.1	7	94.4	12	61.7	17	0.96	33	0
1970	75	52	91.8	33	58.2	75	0.02	115	0
1969	71.8	106	87.4	104	56.3	102	trace	124	0
1968	69.8	122	82.5	128	57.1	92	1.64	10	0
1967	79.1	3	96.4	4	61.8	15	trace	124	0
1966	72.9	94	88.3	96	57.4	89	0.48	56	0
1965	72.2	102	85.7	112	58.7	59	1.41	14	0
1964	68.6	130	82	131	55.2	118	0.66	47	0
1963	73.6	79	88.7	86	58.6	62	0.61	50	0
1962	69.8	122	83.6	120	55.9	111	0.61	50	0
1961	78.4	5	94.7	9	62.1	11	0.68	45	0
1960	67.8	133	81.4	132	54.3	127	1.92	3	0
1959	68.2	132	83.1	126	53.3	132	1.26	23	0
1958	76.3	29	92.7	25	60	40	0.09	98	0
1957	69.6	124	84.5	115	54.8	122	0.40	65	0
1956	69.9	120	85.9	111	53.9	129	2.10	2	0
1955	71.5	108	89.3	71	53.7	131	trace	124	0
1954	66.7	134	81.1	133	52.4	134	1.23	25	0
1953	71.6	107	86.4	110	56.8	99	1.00	32	0
1952	72	103	87.8	101	56.2	107	0.01	120	0
1951	71.3	111	87.3	105	55.2	118	0.53	53	0
1950	73.4	85	89.7	64	57	95	0.28	74	0
1949	73.1	90	88.8	83	57.4	89	0.10	97	0
1948	68.9	126	83.4	122	54.4	125	0.15	88	0
1947	71.4	109	86.7	109	56	110	0.13	92	0
1946	75.2	43	94	14	56.3	102	0.04	109	0
1945	74.6	62	94.2	13	55	120	0.36	69	0
1944	72.4	99	91	43	53.9	129	0.30	72	0
1943	72.4	99	90.2	60	54.6	124	0.46	61	0
1942	77.1	20	95.5	6	58.6	62	0.03	111	0
1941	74.5	63	89.3	71	59.6	45	1.29	21	0
1940	76.6	23	95.4	7	57.8	81	trace	124	0
1939	77.8	8	96.7	3	59	55	trace	124	0
1938	74.4	65	92.2	30	56.6	101	0.11	96	0
1937	73	93	89.6	66	56.3	102	0.14	90	0
1936	75.2	43	92.8	24	57.5	87	trace	124	0
1935	73.9	72	91.7	34	56.1	108	0.15	88	0
1934	74.9	56	93.6	18	56.3	102	trace	124	0
1932	73.4	85	88.6	89	58.1	76	0.27	75	0
1931	75	52	92.3	27	57.7	83	0.02	115	0
1930	77.4	14	93.4	20	61.4	21	0.19	83	0
1929	77.5	13	94.7	9	60.3	38	0.20	81	0
1928	72.5	97	88.8	83	56.3	102	0.03	111	0
1927	74	71	89.4	70	58.7	59	0.92	36	0
1926	73.6	79	89.5	68	57.7	83	1.28	22	0
1925	73.8	76	89.3	71	58.3	69	1.30	20	0
1924	72.8	95	88.1	100	57.5	87	0.62	48	0
1923	75.2	43	91.5	37	58.8	56	0.38	67	0
1922	75.7	36	90.9	45	60.5	35	1.21	26	0
1921	74.9	56	91.3	39	58.5	65	0.07	102	0
1920	73.9	72	89.9	62	57.8	81	0.72	42	0
1919	74.4	65	91	43	57.9	80	0.12	94	0
1918	70.6	114	84.2	116	57	95	1.17	27	0
1917	75.3	40	93.3	21	57.3	91	0.00	135	0
1916	72.3	101	88.8	83	55.8	113	1.41	14	0
1915	79.6	2	97.1	2	62.2	10	0.19	83	0
1914	74.5	63	91.4	38	57.6	86	trace	124	0
1913	74.2	69	89	79	59.4	51	0.47	57	0
1912	68.6	130	82.3	130	54.9	121	1.25	24	0
1911	71.3	111	87.1	107	55.5	116	0.74	41	0
1910	70	118	85.5	113	54.4	125	0.03	111	0
1909	72	103	88.5	92	55.5	116	trace	124	0
1908	73.5	82	88.5	92	58.5	65	1.03	31	0
1907	68.7	129	82.5	128	54.8	122	1.82	5	0
1906	73.9	72	89	79	58.8	56	1.61	11	0
1905	75.2	43	90.8	48	59.6	45	0.05	106	0
1904	76.6	23	93.5	19	59.8	41	0.22	80	0
1903	73.5	82	87.7	102	59.2	53	1.34	18	0
1902	73.3	88	88.2	99	58.5	65	0.69	44	0
1901	78.2	6	94.9	8	61.4	21	0.02	115	0
1899	68.8	127	78.7	134	58.8	56	1.42	13	1
1898	77.6	12	93.8	16	61.4	21	0.31	71	0
1897	78.7	4	100	1	57.1	92	0.52	54	1
1896							1.47	12	7
1895	72.7	96	92.3	27	53.2	133	0.20	81	0
1894	74.7	59	93.8	16	55.6	115	0.04	109	0
1885	73.1	90	88.3	96	58	79	0.41	64	0
1884	74.3	67	90.4	56	58.1	76	0.06	104	0
1883	72.5	97	87.3	105	57.7	83	trace	124	0
1882	74.7	59	88.6	89	60.8	29	0.06	104	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2022	80.1
1915	79.6
1967	79.1
1897	78.7
1961	78.4
1901	78.2
1971	78.1
2025	77.8
1939	77.8
1986	77.7
More years share the last value

Coldest
Year	Mean, °F
1954	66.7
1960	67.8
1959	68.2
1964	68.6
1912	68.6
1907	68.7
1980	68.8
1899	68.8
1948	68.9
1985	69.5

Wettest
Year	Precipitation, in
1989	2.96
1956	2.10
1960	1.92
1978	1.90
1907	1.82
2004	1.81
2009	1.76
1976	1.76
1977	1.65
1968	1.64

Driest
Year	Precipitation, in
1917	0.00
2012	trace
1969	trace
1967	trace
1955	trace
1940	trace
1939	trace
1936	trace
1934	trace
1914	trace
More years share the last value

The hottest, coldest and wettest days

Hottest day: 106°F; 21 August 2026
Coldest night: 51°F; 30 August 2026
Wettest day: 0.06 in; 15 August 2026

Every month, season and year

Months

Seasons

Years

Lewiston, ID the day's answers

All-time records

Every answer in words

August 2026 brought 0.09 in of precipitation in Lewiston, ID, the driest August since 2017, tied 37th driest of 135 (with 1958).
The hottest day of August 2026 in Lewiston, ID: 106°F on Friday 21 August 2026.
The coldest night of August 2026 in Lewiston, ID: a low of 51°F on Sunday 30 August 2026.
The wettest day of August 2026 in Lewiston, ID: 0.06 in on Saturday 15 August 2026.