Hillsboro, OR: August

31 August 2026: August 2026 averaged 68.7°F in Hillsboro, OR, the warmest August since 2025, 20th warmest of 95.

August 2026

Mean temperature: 68.7°F; Warmest since 2025; 20th warmest of 95
Precipitation: a trace; Driest since 2022; 3rd driest of 97

A normal August in Hillsboro, OR (1991 to 2020): a mean temperature of 67.2°F, between 65°F and 69.4°F in eight years of ten and 0.28 in of precipitation, between 0.02 in and 0.90 in in eight years of ten.

The mean temperature of every August in Hillsboro, OR since 1930: 68.7°F in 2026; the highest is 72.6°F, in 1967.

Normal range, 65 to 69.4°F

Every year, ranked, as a table

Every August 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	68.7	20	83.5	28	53.8	19	trace	87	0
2025	71.3	4	85.2	10	57.4	1	0.42	44	0
2024	68.2	23	82.5	40	53.9	17	1.02	23	0
2023	71.6	3	86.7	6	56.5	2	0.75	33	0
2022	71.2	6	87	4	55.5	6	trace	87	0
2021	69	16	84.1	20	54	15	0.02	84	0
2020	67.5	29	83.1	32	51.9	44	0.25	56	0
2019	68.5	22	82.3	42	54.6	11	0.21	59	0
2018	68.8	18	84.7	13	52.9	30	trace	87	0
2017	71.3	4	88.5	3	54.1	13	0.13	68	0
2016	69	16	85.1	11	53	28	0.25	56	0
2015	69.1	15	84.1	20	54.1	13	0.55	36	0
2014	70.2	8	85.1	11	55.2	9	0.14	67	0
2013	68.1	24	81.5	51	54.7	10	0.85	27	0
2012	67.3	31	83.1	32	51.5	55	0.02	84	0
2011	66	51	80.2	57	51.9	44	trace	87	0
2010	64.9	71	79.8	63	49.9	74	0.17	63	0
2009	66.1	48	80.1	59	52.1	42	0.72	34	0
2008	66.3	47	80.1	59	52.5	36	1.37	14	0
2007	65.4	64	79.1	70	51.7	53	0.53	39	0
2006	67.1	35	83.7	27	50.4	68	0.08	75	0
2005	67.5	29	84.7	13	50.2	70	0.32	52	2
2004	69.3	12	83	35	55.6	4	2.31	5	0
2003	67.1	35	81.8	46	52.4	39	0.55	36	0
2002	65	70	82	45	48.1	88	0.05	79	0
2001	65.5	62	80.2	57	50.8	65	0.79	32	0
2000	63.2	88	78.9	72	47.6	92	0.15	65	0
1999	65.9	57	78.5	79	53.4	24	0.84	28	0
1998	67	38	83.5	28	50.5	67	trace	87	0
1997	70.2	8	83.9	25	56.5	2	1.59	12	0
1996	67.9	26	83.2	31	52.7	34	0.13	68	0
1995	64.9	71	78.6	77	51.2	59	0.39	47	0
1994	66.6	41	80.7	55	52.5	36	0.42	44	0
1993	66.5	44	79.6	64	53.4	24	0.16	64	0
1992	67.6	28	83.9	25	51.3	56	0.31	53	0
1991	67.8	27	81.6	49	53.9	17	0.65	35	0
1990	68	25	81.7	48	54.3	12	1.07	21	0
1989	64	81	76.2	89	51.8	49	0.45	42	0
1988	64.9	71	79.9	61	49.8	75	0.02	84	0
1987	67.3	31	83	35	51.6	54	0.33	51	0
1986	70.2	8	86.7	6	53.6	21	trace	87	0
1985	64.6	76	79.3	66	50.1	71	1.77	11	1
1984	64.9	71	80.9	53	49.1	79	0.04	81	1
1983	65.6	60	78.8	75	52.4	39	1.78	10	1
1982	65.6	60	79	71	52	43	2.09	6	1
1981	69.2	13	85.6	9	52.9	30	0.06	77	0
1980	62.6	94	78	83	47.3	95	0.13	68	0
1979	65.1	69	78	83	52.2	41	2.00	8	0
1978	66.1	48	78.9	72	53.2	27	2.79	3	0
1977	69.6	11	84	23	55.3	8	3.03	2	0
1976	64.1	80	75.3	92	53	28	2.55	4	0
1975	62.9	89	74.9	95	50.9	64	2.04	7	0
1974	67.1	35	81.6	49	52.5	36	0.18	61	0
1973	62.8	92	77.1	88	48.5	85	1.11	20	0
1972	68.6	21	84.5	16	52.8	32	0.54	38	0
1971	69.2	13	84.4	18	54	15	0.50	41	0
1970	65.8	58	82.3	42	49.2	77	0.09	72	0
1969	62.9	89	78.2	81	47.5	93	trace	87	0
1968	64	81	76.1	90	51.9	44	3.84	1	0
1967	72.6	1	91.6	1	53.5	23	trace	87	0
1966	63.8	84	79.9	61	47.7	91	0.31	53	0
1965	66	51	79.3	66	52.8	32	1.30	16	0
1964	61.9	95	75.1	93	48.6	82	0.34	49	0
1963	65.3	65	78.9	72	51.8	49	1.82	9	0
1962	65.2	67	78.8	75	51.9	44	1.42	13	2
1961	72.2	2	88.7	2	55.6	4	0.44	43	0
1960	66	51	79.3	66	52.7	34	0.84	28	0
1959	63.6	85	78.6	77	48.7	81	0.05	79	3
1958	71.2	6	86.8	5	55.5	6	0.00	96	1
1957	64.4	78	77.4	86	51.3	56	0.84	28	1
1956	66.5	44	79.3	66	53.6	21	1.35	15	0
1955	64.5	77	81.1	52	48	89	0.00	96	0
1954	62.9	89	75.1	93	51.1	62	1.06	22	2
1953	66.4	46	79.5	65	53.3	26	0.83	31	2
1952	67.3	31	84.2	19	51.1	62	0.07	76	1
1951	65.8	58	83.3	30	48.4	86	0.34	49	0
1950	68.8	18	85.9	8	51.8	49	0.88	25	0
1949					51.9	44	0.18	61	7
1948	63.9	83	76	91	51.8	49	0.52	40	0
1947	63.3	86	78	83	48.6	82	0.09	72	2
1946	65.5	62	82.7	38	48.3	87	0.15	65	0
1945	65.2	67	81.8	46	48.6	82	0.20	60	0
1944	64.4	78	80.8	54	47.8	90	0.06	77	2
1943	63.3	86	77.4	86	49.2	77	1.29	17	0
1942	66	51	80.6	56	51.2	59	0.41	46	1
1941	66	51	78.1	82	53.8	19	1.13	19	0
1940	67	38	82.8	37	51.3	56	0.09	72	0
1939	66.1	48	82.3	42	50	72	1.20	18	0
1938	62.8	92	78.3	80	47.4	94	0.25	56	3
1937					51.2	59	0.94	24	4
1936	66.7	40	82.6	39	50.8	65	0.04	81	0
1935	66.6	41	84.1	20	49.1	79	0.10	71	0
1934	66.6	41	83.1	32	50	72	0.30	55	0
1933	67.2	34	84	23	50.4	68	0.88	25	2
1932	66	51	82.4	41	49.5	76	0.35	48	1
1931	65.3	65	84.7	13	45.8	96	trace	87	0
1930	64.9	71	84.5	16	45.2	97	0.04	81	3

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1967	72.6
1961	72.2
2023	71.6
2025	71.3
2017	71.3
2022	71.2
1958	71.2
2014	70.2
1997	70.2
1986	70.2

Coldest
Year	Mean, °F
1964	61.9
1980	62.6
1973	62.8
1938	62.8
1975	62.9
1969	62.9
1954	62.9
2000	63.2
1947	63.3
1943	63.3

Wettest
Year	Precipitation, in
1968	3.84
1977	3.03
1978	2.79
1976	2.55
2004	2.31
1982	2.09
1975	2.04
1979	2.00
1963	1.82
1983	1.78

Driest
Year	Precipitation, in
1958	0.00
1955	0.00
2026	trace
2022	trace
2018	trace
2011	trace
1998	trace
1986	trace
1969	trace
1967	trace
More years share the last value

The hottest, coldest and wettest days

Hottest day: 95°F; 6 August 2026
Coldest night: 45°F; 30 August 2026

Every month, season and year

Months

Seasons

Years

2025

Hillsboro, OR the day's answers

All-time records

Every answer in words

August 2026 brought a trace of precipitation in Hillsboro, OR, the driest August since 2022, tied 3rd driest of 97 (with 2022, 2018, 2011 and 5 other years).
The hottest day of August 2026 in Hillsboro, OR: 95°F on Thursday 6 August 2026.
The coldest night of August 2026 in Hillsboro, OR: a low of 45°F on Sunday 30 August 2026.