Hillsboro, OR: Fall

9 October 2026: Fall 2026 so far averaged 61.3°F in Hillsboro, OR, the warmest 1 September to 9 October since 2025, tied 35th warmest of 97 (with 1950).

Fall 2026 so far, to 9 October 2026

Mean temperature: 61.3°F; Warmest since 2025; 35th warmest of 97
Precipitation: 0.85 in; Driest since 2022; 18th driest of 97

A normal 1 September to 9 October in Hillsboro, OR (1991 to 2020): a mean temperature of 60.2°F, between 58.8°F and 62.8°F in eight years of ten and 1.51 in of precipitation, between 0.58 in and 3.40 in in eight years of ten.

The mean temperature of every 1 September to 9 October in Hillsboro, OR since 1930: 61.3°F in 2026; the highest is 65.3°F, in 2022.

Normal range, 58.8 to 62.8°F

Every year, ranked, as a table

Every 1 September to 9 October in Hillsboro, OR from 1930 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	61.3	35	73.9	46	48.7	17	0.85	80	0
2025	63.4	7	76.2	27	50.7	4	1.91	45	0
2024	62.4	21	76.3	24	48.6	18	1.16	68	0
2023	62	26	74.2	44	49.8	8	2.47	31	0
2022	65.3	1	80.6	3	49.9	7	0.34	90	0
2021	59.8	50	73.6	55	46.1	55	3.49	14	0
2020	64.6	3	77.4	15	51.8	1	1.31	64	0
2019	58.7	81	69.3	95	48.1	23	3.27	18	0
2018	59	74	72.5	68	45.5	69	1.62	51	0
2017	62.2	25	76.1	30	48.2	22	1.45	59	0
2016	59.2	70	71.3	82	47.1	34	3.62	12	0
2015	60.2	46	73.9	46	46.5	48	0.94	76	0
2014	64.2	4	78.8	8	49.5	13	1.10	70	0
2013	59.8	50	69.9	91	49.6	12	7.05	1	0
2012	60.9	40	78.1	11	43.7	90	0.04	96	0
2011	62.5	19	75.1	38	49.8	8	1.15	69	0
2010	60.3	45	71.4	80	49.3	14	2.54	30	0
2009	59.6	60	73.6	55	45.6	67	1.55	54	0
2008	59.7	56	74.1	45	45.3	71	1.35	62	0
2007	55.8	97	68	96	43.5	91	2.41	32	0
2006	60.2	46	75.8	32	44.6	82	0.64	83	0
2005	57.5	91	70.8	88	44.3	86	2.26	39	0
2004	59.5	63	71.8	76	47.2	33	2.94	22	0
2003	62.8	14	75.8	32	49.7	10	2.34	35	0
2002	59.1	71	73.8	49	44.4	84	1.24	66	0
2001	59.8	50	75	39	44.6	82	0.89	79	0
2000	59.1	71	72.4	72	45.7	64	2.40	33	0
1999	58.8	79	75.7	34	41.8	97	0.66	82	0
1998	61.1	39	76.3	24	46	58	2.74	26	0
1997	61.6	32	72.7	65	51	3	6.30	2	1
1996	60.2	46	72.5	68	47.8	29	3.38	16	0
1995	62.7	15	73.9	46	51.2	2	1.95	42	1
1994	62.4	21	77.3	16	47.4	31	0.60	84	1
1993	62.6	18	78.7	10	46.6	43	0.01	97	1
1992	59.3	66	72.9	62	45.7	64	1.46	58	0
1991	63.1	11	79.4	5	46.9	36	0.39	89	1
1990	62.3	23	75.6	35	49	15	1.08	71	0
1989	61.7	30	77.5	13	45.8	63	0.71	81	0
1988	61.2	37	76.3	24	45.9	60	0.93	77	1
1987	63.2	9	79.9	4	46.6	43	0.14	92	0
1986	58.9	77	71.5	79	46.3	54	2.62	27	0
1985	56.8	95	70.1	89	43.4	93	1.88	46	0
1984	59.3	66	73.2	60	45.3	71	1.64	49	1
1983	57.7	89	71.9	75	43.5	91	0.58	85	0
1982	58.8	79	71.2	83	46.4	51	4.25	6	0
1981	60.1	49	73.7	53	46.4	51	5.25	4	0
1980	60.7	42	76.6	22	44.8	78	1.51	57	0
1979	62.7	15	76.8	20	48.6	18	2.56	29	1
1978	59.8	50	71.1	86	48.5	20	3.23	19	0
1977	59	74	69.8	92	47.6	30	3.91	8	3
1976	61.4	33	74.8	40	48	24	0.99	74	0
1975	61.8	27	76.9	17	46.6	43	0.99	74	0
1974	62.5	19	79.4	5	45.5	69	0.10	94	0
1973	59	74	72.7	65	45.2	74	3.90	9	1
1972	58.5	84	71.7	77	45.2	74	3.11	21	0
1971	59.6	60	73.1	61	46.1	55	2.32	36	0
1970	57.7	89	70.9	87	44.4	84	1.19	67	0
1969	59.4	64	71.4	80	47.4	31	3.77	10	0
1968	58.6	82	71.2	83	45.9	60	2.60	28	0
1967	62.9	13	78.8	8	46.9	36	2.06	40	2
1966	59.8	50	73.8	49	45.7	64	1.62	51	0
1965	58.3	85	73.8	49	42.7	94	0.47	86	0
1964	56.9	94	71.7	77	42.1	96	1.33	63	0
1963	63.3	8	77.5	13	49	15	1.06	72	1
1962	59.1	71	71.2	83	46.6	43	4.00	7	2
1961	58.9	77	73.4	59	44.7	79	0.47	86	1
1960	61.8	27	76.2	27	46.9	36	1.29	65	3
1959	58.2	87	69.4	94	46.8	39	2.03	41	1
1958	62.7	15	75.3	37	50	6	1.03	73	1
1957	63.6	6	76.9	17	50.2	5	1.73	48	1
1956	60.7	42	73.5	57	47.9	26	1.54	55	0
1955	59.7	56	72.9	62	46.5	48	5.72	3	0
1954	59.3	66	72.2	73	46.4	51	1.42	60	0
1953	62.3	23	76.2	27	48.5	20	1.54	55	1
1952	65.2	2	83.6	1	46.8	39	0.29	91	2
1951	63	12	77.9	12	48	24	3.54	13	0
1950	61.3	35	76.1	30	46	58	4.55	5	1
1949	61.7	30	76.7	21	46.8	39	1.94	43	1
1948	59.7	56	73.5	57	45.9	60	3.44	15	0
1947	60.9	40	75.6	35	46.1	55	1.63	50	0
1946	59.4	64	73.7	53	45.1	76	2.40	33	1
1945	58.2	87	73.8	49	42.6	95	3.68	11	0
1944	61.8	27	76.9	17	46.7	42	2.93	24	0
1943	63.9	5	81.2	2	46.6	43	0.41	88	0
1942	59.6	60	74.5	43	44.7	79	0.12	93	0
1941	56.5	96	67.3	97	45.6	67	3.15	20	0
1940	61.2	37	72.6	67	49.7	10	3.28	17	2
1939	59.7	56	72.9	62	46.5	48	1.61	53	1
1938	61.4	33	74.8	40	47.9	26	2.79	25	1
1937	59.8	50	72.5	68	47	35	1.94	43	0
1936	59.3	66	74.7	42	43.9	89	0.92	78	0
1935	60.7	42	76.5	23	44.9	77	1.87	47	0
1934	58.6	82	72.5	68	45.3	71	1.37	61	2
1933	57.1	92	70	90	44.1	88	2.30	37	1
1932	63.2	9	79.2	7	47.9	26	0.06	95	3
1931	57.1	92	69.6	93	44.7	79	2.94	22	2
1930	58.3	85	72	74	44.3	86	2.30	37	2

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2022	65.3
1952	65.2
2020	64.6
2014	64.2
1943	63.9
1957	63.6
2025	63.4
1963	63.3
1987	63.2
1932	63.2

Coldest
Year	Mean, °F
2007	55.8
1941	56.5
1985	56.8
1964	56.9
1933	57.1
1931	57.1
2005	57.5
1983	57.7
1970	57.7
1959	58.2
More years share the last value

Wettest
Year	Precipitation, in
2013	7.05
1997	6.30
1955	5.72
1981	5.25
1950	4.55
1982	4.25
1962	4.00
1977	3.91
1973	3.90
1969	3.77

Driest
Year	Precipitation, in
1993	0.01
2012	0.04
1932	0.06
1974	0.10
1942	0.12
1987	0.14
1952	0.29
2022	0.34
1991	0.39
1943	0.41

The hottest, coldest and wettest days

Hottest day: 89°F; 9 September 2026
Coldest night: 39°F; 28 September 2026
Wettest day: 0.17 in; 6 September 2026

Every month, season and year

Months

Seasons

Years

2025

Hillsboro, OR the day's answers

All-time records

Every answer in words

Fall 2026 so far brought 0.85 in of precipitation in Hillsboro, OR, the driest 1 September to 9 October since 2022, 18th driest of 97.
The hottest day of fall 2026 so far in Hillsboro, OR: 89°F on Wednesday 9 September 2026.
The coldest night of fall 2026 so far in Hillsboro, OR: a low of 39°F on Monday 28 September 2026.
The wettest day of fall 2026 so far in Hillsboro, OR: 0.17 in on Sunday 6 September 2026.