Hillsboro, OR: 2025

31 December 2025: 2025 averaged 54.4°F in Hillsboro, OR (2 days missing), the warmest year since 2015, 6th warmest of 94.

2025

Mean temperature: 54.4°F; Warmest since 2015; 6th warmest of 94
Precipitation: 28.50 in; Driest since 2019; 11th driest of 96

A normal year in Hillsboro, OR (1991 to 2020): a mean temperature of 52.7°F, between 51.1°F and 54.3°F in eight years of ten and 34.12 in of precipitation, between 26.35 in and 45.46 in in eight years of ten.

The mean temperature of every year in Hillsboro, OR since 1930: 54.4°F in 2025; the highest is 56.3°F, in 1958.

Normal range, 51.1 to 54.3°F

Every year, ranked, as a table

Every year in Hillsboro, OR from 1929 to 2025, 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
2025	54.4	6	65.3	5	43.5	9	28.50	85	2
2024	53.6	13	64.3	17	42.9	16	40.99	28	0
2023	53.6	13	64.4	16	42.8	17	30.72	74	0
2022	52.7	31	63.8	30	41.7	50	35.84	53	0
2021	53.4	20	64.5	15	42.2	32	36.05	52	0
2020	53.5	17	64.3	17	42.7	18	29.16	81	0
2019	52.3	48	62.8	53	41.7	50	26.43	88	0
2018	53.6	13	64.9	9	42.3	27	25.66	90	0
2017	52.7	31	63.4	38	42	37	43.42	13	0
2016	54.2	8	64.3	17	44.2	5	42.00	20	5
2015	54.9	2	66.1	3	43.6	8	38.40	40	0
2014	54	10	64.6	13	43.4	10	36.17	51	1
2013	51.7	71	62.1	74	41.2	60	24.57	93	0
2012	52	57	62.3	68	41.8	43	42.69	15	1
2011	50.4	90	60	96	40.7	73	30.00	76	3
2010	52.1	51	61.9	80	42.3	27	43.06	14	0
2009	51.3	79	62.5	63	40.1	86	28.70	84	2
2008	50.6	88	61.2	93	40	88	24.10	94	0
2007	51.2	83	61.7	88	40.8	69	32.27	68	0
2006	52.6	34	63.8	30	41.5	55	45.34	10	0
2005	51.9	60	62.7	57	41.1	61	36.61	47	2
2004	53.5	17	63.6	34	43.4	10	29.26	79	1
2003	53.6	13	63.9	28	43.2	13	40.11	32	0
2002	51.7	71	63.1	48	40.2	84	32.50	67	1
2001	51.1	85	62.3	68	39.9	90	30.44	75	1
2000	51.1	85	62	76	40.2	84	28.50	85	3
1999	51.3	79	61.9	80	40.8	69	41.29	26	0
1998	54.3	7	64.1	24	44.7	3	46.59	7	15
1997	54.5	4	64	27	45.1	2	42.02	18	6
1996	53	26	62.6	60	43.3	12	62.59	1	3
1995	54.2	8	64.2	21	44.3	4	46.57	8	6
1994	53.1	24	63.6	34	42.4	24	35.42	57	8
1993	51.8	66	61.9	80	41.8	43	31.67	71	6
1992	54.6	3	65.7	4	43.7	7	29.81	77	8
1991	52.7	31	63.1	48	42.3	27	32.81	65	5
1990	52.6	34	62.9	52	42.5	23	32.62	66	4
1989	52.1	51	62	76	42.1	34	24.61	92	8
1988	52.6	34	63.4	38	41.8	43	29.21	80	8
1987	53.8	12	65.2	6	42.4	24	34.45	59	1
1986	53.3	23	63.9	28	42.7	18	35.46	56	0
1985	49.9	94	61.5	91	38.4	94	23.86	95	8
1984	51.2	83	61.9	80	40.7	73	41.36	23	17
1983	52.4	43	62.3	68	42.6	21	51.16	3	6
1982	51.3	79	61.8	85	40.8	69	47.33	6	9
1981	53.1	24	64.1	24	42	37	38.50	39	0
1980	51.7	71	62.4	64	41.1	61	42.59	16	1
1979	52.5	39	63.2	45	41.8	43	36.40	49	2
1978	52.4	43	62.6	60	42.2	32	34.15	62	4
1977	52.4	43	62.7	57	41.8	43	36.33	50	9
1976	51.7	71	62	76	41.3	58	28.79	82	1
1975	51.9	60	61.7	88	42.1	34	41.53	22	1
1974	52.9	28	63.4	38	42.4	24	42.00	20	0
1973	52.6	34	62.8	53	42.1	34	42.18	17	6
1972	52.4	43	63	51	41.8	43	41.34	24	1
1971	51.8	66	61.7	88	41.9	39	41.33	25	1
1970	52.4	43	63.8	30	41.1	61	38.74	38	0
1969	51.9	60	62.4	64	41.4	56	34.02	63	3
1968	52.3	48	62.3	68	42.3	27	51.78	2	1
1967	53.5	17	65.1	7	41.9	39	29.45	78	4
1966	52	57	62.8	53	41	66	38.04	42	1
1965	51.7	71	63.2	45	40.4	82	30.90	73	1
1964	50	93	60.9	94	39.1	93	39.89	34	3
1963	52.1	51	62.2	73	41.7	50	37.93	43	14
1962	51.8	66	62	76	41.6	54	34.27	61	14
1961	54.5	4	64.8	10	43.8	6	45.34	10	17
1960	52.1	51	62.4	64	41.7	50	38.99	37	13
1959	51.9	60	61.8	85	41.9	39	36.47	48	19
1958	56.3	1	66.7	2	45.7	1	35.64	55	20
1957	52.5	39	62.6	60	42.7	18	32.09	69	10
1956	52.2	50	61.8	85	42.3	27	32.03	70	9
1955	50.2	92	60.3	95	40	88	40.90	29	4
1954	51.5	76	62.3	68	40.8	69	37.73	44	14
1953	53.4	20	63.5	36	43.2	13	42.02	18	11
1952	52.6	34	65.1	7	40.5	78	25.82	89	13
1951	52.9	28	64.6	13	41	66	38.33	41	6
1950	51.8	66	62.7	57	40.9	68	50.99	5	7
1949	51.5	76	63.2	45	40.1	86	31.18	72	11
1948	51	87	61.3	92	40.6	75	46.32	9	6
1947	52.8	30	64.3	17	41.3	58	35.73	54	3
1946	51.9	60	63.3	43	40.5	78	40.72	30	1
1945	52.1	51	63.5	36	40.5	78	44.86	12	1
1944	51.8	66	64.1	24	39.5	91	24.96	91	8
1943	51.5	76	63.4	38	39.4	92	34.54	58	4
1942	51.3	79	61.9	80	40.6	75	41.13	27	2
1941	53.4	20	64.2	21	42.6	21	36.80	46	3
1940	54	10	64.8	10	43.2	13	39.14	36	7
1939	53	26	64.2	21	41.4	56	28.75	83	13
1938	52.5	39	63.8	30	41.1	61	33.00	64	15
1937	51.9	60	62.1	74	41.9	39	51.13	4	10
1936	52	57	63.4	38	40.5	78	34.36	60	7
1935	50.6	88	63.3	43	37.9	95	27.55	87	5
1934			67.1	1	41.8	43	39.60	35	40
1933			62.8	53	40.6	75	39.93	33	45
1932	52.1	51	63.1	48	41.1	61	37.00	45	27
1931	52.5	39	64.8	10	40.3	83	40.36	31	23
1930	50.3	91	62.4	64	37.8	96	23.70	96	28
1929									311

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1958	56.3
2015	54.9
1992	54.6
1997	54.5
1961	54.5
2025	54.4
1998	54.3
2016	54.2
1995	54.2
2014	54
More years share the last value

Coldest
Year	Mean, °F
1985	49.9
1964	50
1955	50.2
1930	50.3
2011	50.4
2008	50.6
1935	50.6
1948	51
2001	51.1
2000	51.1

Wettest
Year	Precipitation, in
1996	62.59
1968	51.78
1983	51.16
1937	51.13
1950	50.99
1982	47.33
1998	46.59
1995	46.57
1948	46.32
2006	45.34
More years share the last value

Driest
Year	Precipitation, in
1930	23.70
1985	23.86
2008	24.10
2013	24.57
1989	24.61
1944	24.96
2018	25.66
1952	25.82
2019	26.43
1935	27.55

The hottest, coldest and wettest days

Hottest day: 101°F; 23 August 2025
Coldest night: 19°F; 12 February 2025
Wettest day: 1.97 in; 18 December 2025

Month by month

Month	Mean temperature	Precipitation
January	39.1°F 39th coldest of 92	1.69 in 6th driest of 96
February	40.6°F 22nd coldest of 91	3.42 in 39th driest of 96
March	47.5°F 23rd warmest of 92	4.28 in 36th wettest of 95
April	51.9°F 24th warmest of 93	1.23 in 20th driest of 96
May	56.9°F 39th warmest of 95	0.76 in 16th driest of 96
June	63.2°F 23rd warmest of 95	0.44 in 17th driest of 96
July	69.3°F 15th warmest of 95	0.00 in Driest of 95
August	71.3°F 4th warmest of 94	0.42 in 44th wettest of 96
September	65.4°F 2nd warmest of 96	1.36 in 42nd wettest of 96
October	52.2°F 36th coldest of 91	3.72 in 29th wettest of 95
November	47.7°F 9th warmest of 90	4.13 in 33rd driest of 95
December	45.5°F 2nd warmest of 93	7.05 in 44th wettest of 96

Hot days and freezes

Hillsboro, OR has had 27 days at 90°F or above in 2025 through 31 December (2 days missing), the most by that date since 2022, tied 9th most of 96 (with 1961).
Hillsboro, OR has had 2 days at 100°F or above in 2025 through 31 December (2 days missing), the most by that date since 2024, tied 27th most of 96 (with 2004, 1994, 1987 and 6 other years).
Hillsboro, OR has had 42 freezing nights (a low of 32°F or below) in 2025 through 31 December (1 day missing), the most by that date since 2023, tied 81st most of 96 (with 1940).
The first freeze of fall 2025 in Hillsboro, OR came on Wednesday 19 November 2025, the earliest since 2024, tied 93rd earliest of 96 (with 1990).
The last freeze of spring 2025 in Hillsboro, OR came on Tuesday 18 March 2025, the latest since 2024, 94th latest of 95.

Daily records set

Date	Record	Value	Before	Check
15 December	Warmest day	63°F	58°F 1962	Provisional
23 August	Warmest day	101°F	97°F 1996	Provisional
22 August	Warmest day	99°F	98°F 1961	Provisional
8 June	Warmest day	96°F	95°F 1955, 1948	Provisional
26 March	Warmest day	77°F	73°F 2015, 1966	Provisional
25 March	Warmest day	79°F	73°F 1997	Provisional
12 February	Coldest night	19°F	20°F 1948	Provisional
2 January	Warmest day	63°F	61°F 1981	Provisional

Daily records set and not listed: 0

Every month, season and year

Months

Seasons

Years

2025

Hillsboro, OR the day's answers

All-time records

Every answer in words

2025 brought 28.50 in of precipitation in Hillsboro, OR, the driest year since 2019, tied 11th driest of 96 (with 2000).
The hottest day of 2025 in Hillsboro, OR: 101°F on Saturday 23 August 2025.
The coldest night of 2025 in Hillsboro, OR: a low of 19°F on Wednesday 12 February 2025.
The wettest day of 2025 in Hillsboro, OR: 1.97 in on Thursday 18 December 2025.