Tri-Cities, WA: October

9 October 2026: October 2026 so far averaged 61.5°F in Tri-Cities, WA, the warmest 1 to 9 October since 2023, 16th warmest of 119.

October 2026 so far, to 9 October 2026

Mean temperature: 61.5°F; Warmest since 2023; 16th warmest of 119
Precipitation: a trace; Driest since 2022; 39th driest of 121

A normal 1 to 9 October in Tri-Cities, WA (1991 to 2020): a mean temperature of 58°F, between 52.6°F and 61.5°F in eight years of ten and 0.04 in of precipitation, between 0.00 in and 0.39 in in eight years of ten.

The mean temperature of every 1 to 9 October in Tri-Cities, WA since 1894: 61.5°F in 2026; the highest is 67.3°F, in 1910.

Normal range, 52.6 to 61.5°F

Every year, ranked, as a table

Every 1 to 9 October in Tri-Cities, WA from 1894 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	61.5	16	80.3	8	42.7	73	trace	69	0
2025	57.1	67	72.7	49	41.6	86	0.05	47	0
2024	56.6	73	74.7	32	38.6	109	0.02	61	0
2023	62.3	12	78	16	46.6	27	0.14	33	0
2022	63.9	7	81.8	4	46.1	31	0.00	84	0
2021	56.1	78	71.8	60	40.3	96	0.00	84	0
2020	65.7	4	84.1	2	47.2	19	0.00	84	0
2019	52.6	109	67.7	94	37.4	113	trace	69	0
2018	53.3	102	64.8	114	41.8	83	0.70	5	0
2017	54.9	90	69.8	77	40.1	100	trace	69	0
2016	58.7	47	70.6	70	46.8	26	0.61	8	0
2015	60.7	22	75.3	29	46	33	0.07	44	0
2014	60.9	21	79.6	9	42.2	75	0.00	84	0
2013	50.8	118	64.7	116	37	116	0.03	58	0
2012	53	105	72.7	49	33.3	121	0.00	84	0
2011	58.5	53	69.3	81	47.7	15	0.22	26	0
2010	60.1	28	72.9	44	47.2	19	0.27	20	0
2009	51.5	116	65.7	110	37.3	115	0.32	19	0
2008	58.1	59	70.7	69	45.4	40	0.13	34	0
2007	56.7	72	67.3	97	46.1	31	0.01	64	0
2006	53.9	98	67.9	93	40	101	0.07	44	0
2005	53.7	101	65.4	111	41.9	81	0.23	25	0
2004	58.8	45	76.7	24	40.9	94	0.22	26	0
2003	62.3	12	79.2	11	45.4	40	0.01	64	0
2002	56	80	71	66	41	93	0.06	46	0
2001	54.1	95	71.9	57	36.3	118	trace	69	0
2000	52.4	110	68.3	92	36.6	117	0.45	11	0
1999	55.7	81	71.1	64	40.2	98	0.01	64	0
1998	56.9	69	71.9	57	42	79	trace	69	0
1997	58.6	49	68.6	89	48.7	10	0.38	13	0
1996	61.4	17	75.8	26	47.1	22	0.05	47	0
1995	57.8	62	68.4	90	47.1	22	0.24	23	0
1994	59.2	40	72.6	51	45.9	36	0.00	84	0
1993	62.8	11	77.9	17	47.7	15	0.00	84	0
1992	59.4	36	72.9	44	45.9	36	0.03	58	0
1991	59.9	30	76.9	23	42.9	71	0.00	84	0
1990	56.9	69	69.6	78	44.2	54	trace	69	0
1989	58.2	55	72.3	53	44.1	57	0.00	84	0
1988	66.4	3	81.7	5	51.1	3	0.00	84	0
1987	63.2	9	79.3	10	47.1	22	0.00	84	0
1986	59.3	38	73.2	42	45.3	43	0.00	84	0
1985			67.1	100			0.34	17	1
1984	58.6	49	74.3	35	42.9	71	0.00	84	0
1983			71.3	62			0.02	61	6
1982			68.4	90			trace	69	3
1981					39.1	106			1
1980	64.4	5	82.3	3	46.4	29	0.00	84	0
1978			73.3	40			0.00	84	1
1977	51.7	113	64.4	118	39	108	0.04	54	0
1976					44.6	49	trace	69	1
1975	58.2	55	72	56	44.4	50	0.05	47	0
1974	51.1	117	68.8	86	33.4	120	0.00	84	0
1973	51.6	115	65.8	109	37.4	113	0.04	54	0
1972	56.3	76	74.9	31	37.7	112	0.00	84	0
1971	61.3	19	76.7	24	45.9	36	0.00	84	0
1970	55.3	89	70.3	73	40.3	96	0.15	32	0
1969	54.1	95	64.8	114	43.3	67	0.05	47	0
1968	53.8	99	66	106	41.6	86	0.00	84	0
1967	59.2	40	70.4	72	47.9	14	0.19	28	0
1966	58.8	45	72.8	46	44.8	46	0.10	39	0
1965	64.2	6	77.6	20	50.9	4	trace	69	0
1964	56.3	76	69.6	78	43.1	70	0.05	47	0
1963	61.1	20	72.4	52	49.7	6	0.12	36	0
1962	56.4	75	66.9	103	46	33	0.08	41	0
1961	55.6	83	69	85	42.2	75	trace	69	0
1960	58.1	59	70.6	70	45.6	39	0.35	15	0
1959	53.2	103	64.4	118	41.9	81	0.02	61	0
1958	60.7	22	74.6	34	46.9	25	0.03	58	0
1957	51.7	113	59.6	123	43.8	61	1.66	1	0
1956	54.8	91	71.3	62	38.2	111	0.00	84	0
1955	54.6	92	64.7	116	44.4	50	0.16	31	0
1954	53.8	99	67.3	97	40.2	98	0.00	84	0
1953	57.2	65	71.1	64	43.2	69	0.08	41	0
1952	60.2	26	77.9	17	42.6	74	0.00	84	0
1951	60.2	26	70.9	67	49.6	8	0.51	9	0
1950	52.7	108	64	120	41.3	90	1.02	2	0
1949	52.9	107	63.7	121	42.1	78	0.08	41	0
1948	55.6	83	67	102	44.2	54	0.38	13	0
1947	61.7	15	70.1	74	53.2	2	0.48	10	0
1946	53	105	62.1	122	43.9	59	0.24	23	0
1945	59.9	30	78.4	13	41.4	88	0.00	84	0
1944	57.8	62	72.3	53	43.3	67	0.05	47	0
1943	66.7	2	84.6	1	48.8	9	trace	69	0
1942	62.9	10	79.2	11	46.6	27	0.00	84	0
1941	55.4	85	66.6	104	44.2	54	0.27	20	0
1940	56.5	74	69.4	80	43.6	64	0.43	12	0
1939	54.3	93	66.3	105	42.2	75			0
1938	58.6	49	67.6	95	49.7	6			0
1937	52.3	111	65.2	112	39.4	105			0
1936	58.1	59	74.7	32	41.4	88			0
1935	60.4	25	73.3	40	47.4	18	0.19	28	0
1934	61.9	14	75.8	26	48.1	13	trace	69	0
1933	59.2	40	78.4	13	39.9	103			0
1932	58.2	55	72.8	46	43.7	62	0.00	84	0
1931	55.4	85	68.8	86	42	79	0.17	30	0
1930	59.6	33	70.8	68	48.4	12	0.00	84	0
1929	59.9	30	72.1	55	47.7	15	0.00	84	0
1928	59.5	35	69.2	82	49.8	5	0.05	47	0
1927					41.1	91	0.66	7	1
1926	55.7	81	67.6	95	43.9	59	0.35	15	0
1925	52.2	112	66	106	38.4	110	0.04	54	0
1924	55.4	85	67.1	100	43.7	62	0.00	84	0
1923	59.3	38	70.1	74	48.6	11	0.93	4	0
1922	54.2	94	68.7	88	39.8	104	0.12	36	0
1921	54.1	95	77.1	21	31.1	122	0.00	84	0
1920	59.4	36	73.7	37	45.2	44	0.00	84	0
1919	56.8	71	72.8	46	40.9	94	0.00	84	0
1918	58.9	44	73.4	39	44.4	50	0.01	64	0
1917	63.6	8	81.1	6	46	33	0.00	84	0
1916	50.3	119	65	113	35.6	119	0.01	64	0
1915	58.7	47	71.9	57	45.4	40	trace	69	0
1914	57.1	67	69.2	82	44.9	45	0.33	18	0
1913							0.98	3	5
1912	55.4	85	69.1	84	41.8	83	0.13	34	0
1911	58.2	55	71.6	61	44.8	46	0.10	39	0
1910	67.3	1	81	7	53.6	1	0.00	84	0
1909	57.4	64	73.8	36	41.1	91	0.11	38	0
1908	58.3	54	73	43	43.6	64	trace	69	0
1907	58.6	49	77.1	21	40	101	0.00	84	0
1906	61.4	17	75.6	28	47.2	19	trace	69	0
1905	56.1	78	65.9	108	46.3	30	0.68	6	0
1899	59.2	40	73.6	38	44.8	46	0.00	84	0
1898	53.2	103	67.3	97	39.1	106	0.04	54	0
1897	60.7	22	77.8	19	43.6	64	0.00	84	0
1896	60.1	28	78.4	13	41.7	85	0.00	84	0
1895	59.6	33	75.2	30	44	58	0.00	84	0
1894	57.2	65	70	76	44.4	50	0.27	20	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1910	67.3
1943	66.7
1988	66.4
2020	65.7
1980	64.4
1965	64.2
2022	63.9
1917	63.6
1987	63.2
1942	62.9

Coldest
Year	Mean, °F
1916	50.3
2013	50.8
1974	51.1
2009	51.5
1973	51.6
1977	51.7
1957	51.7
1925	52.2
1937	52.3
2000	52.4

Wettest
Year	Precipitation, in
1957	1.66
1950	1.02
1913	0.98
1923	0.93
2018	0.70
1905	0.68
1927	0.66
2016	0.61
1951	0.51
1947	0.48

Driest
Year	Precipitation, in
2022	0.00
2021	0.00
2020	0.00
2014	0.00
2012	0.00
1994	0.00
1993	0.00
1991	0.00
1989	0.00
1988	0.00
More years share the last value

The hottest, coldest and wettest days

Hottest day: 84°F; 5 October 2026
Coldest night: 41°F; 8 October 2026, 7 October 2026

Every month, season and year

Months

Seasons

Years

Tri-Cities, WA the day's answers

All-time records

Every answer in words

October 2026 so far brought a trace of precipitation in Tri-Cities, WA, the driest 1 to 9 October since 2022, tied 39th driest of 121 (with 2019, 2017, 2001 and 11 other years).
The hottest day of October 2026 so far in Tri-Cities, WA: 84°F on Monday 5 October 2026.
The coldest night of October 2026 so far in Tri-Cities, WA: a low of 41°F on Thursday 8 October 2026 and Wednesday 7 October 2026.