Ontario, OR: Winter

28 February 2026: Winter 2026 (December 2025 to February 2026) averaged 36.5°F in Ontario, OR, the warmest winter since 2020, tied 4th warmest of 69 (with 1978).

Winter 2026 (December 2025 to February 2026)

Mean temperature: 36.5°F; Warmest since 2020; 4th warmest of 69
Precipitation: 4.01 in; Wettest since 2025; 25th wettest of 74

The mean temperature of every winter in Ontario, OR since 1946: 36.5°F in 2026; the highest is 37.1°F, in 2003.

Every year, ranked, as a table

Every winter in Ontario, OR from 1946 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	36.5	4	44.8	4	28.2	7	4.01	25	0
2025	32.8	32	39.9	38	25.6	22	7.35	1	0
2024	36.2	8	43.4	11	29.1	3	4.41	19	0
2023	32.2	35	39.7	40	24.6	30	3.83	32	0
2022	31.6	40	39.2	42	23.9	37	2.05	61	0
2021	34.3	14	42.5	21	26.1	17	2.88	51	0
2020	36.9	2	45.2	2	28.5	6	2.81	52	0
2019	35	12	42.2	22	27.7	8	5.48	11	0
2018	33.3	25	41.4	27	25.2	27	1.92	62	0
2017	22.7	67	30.1	75	15.3	70	6.77	3	0
2016	33.3	25	41	31	25.6	22	3.89	29	0
2015	36.8	3	44.3	7	29.3	2	3.81	33	0
2014	27.4	60	34.6	68	20.2	56	2.37	56	0
2013	28.2	57	36.2	59	20.2	56	1.88	64	0
2012	32.6	33	43	14	22.2	45	2.11	59	1
2011	29	54	36	63	21.9	48	4.59	16	0
2010	32.2	35	39	45	25.4	25	4.27	20	0
2009	29.7	49	37.5	53	21.9	48	2.45	55	0
2008	29.9	47	37.2	55	22.6	42	2.18	58	0
2007	31.6	40	41	31	22.2	45	2.24	57	0
2006	30.5	44	38.5	50	22.4	43	5.51	10	0
2005	33	29	41.1	30	24.9	29	1.09	73	2
2004	29.9	47	36.6	57	23.3	41	5.07	14	3
2003	37.1	1	44.4	5	29.9	1	3.32	40	1
2002	31.7	39	38.8	47	24.6	30	1.78	65	0
2001	29.7	49	35.9	64	23.5	40	2.49	54	1
2000	33.6	23	40	36	27.2	10	5.93	6	0
1999	32.3	34	39.5	41	25.1	28	3.86	30	0
1998	33.9	19	41.4	27	26.4	15			0
1997									40
1996			40.4	34			4.22	21	15
1995			41.5	26			2.93	50	13
1994					24.2	35			11
1993			32.1	71	15.8	69			14
1992	33.7	22	42.9	16	24.4	32			7
1991			36.1	62	16	68	1.76	66	12
1990	31.8	38	42.8	17	20.8	54	1.24	71	7
1989			28.6	77	9.9	75	5.04	15	13
1988			39.1	44	20.1	59	2.52	53	15
1987	28.6	56	37.7	52	19.5	61	1.54	68	8
1986			32	73	15	71	3.40	39	13
1985	22.2	68	31.6	74	12.4	74	1.67	67	5
1984			32.1	71	20.2	56	5.58	9	10
1983	32.9	30	40.4	34	25.5	24	5.33	12	7
1982	27.8	59	36.2	59	19.4	62	6.60	5	3
1981	33.9	19	41	31	26.8	12	3.94	28	1
1980	33.3	25	41.3	29	25.4	25	3.01	48	0
1979	23.4	66	32.4	70	14.3	72	3.27	42	0
1978	36.5	4	44	9	29.1	3	5.65	7	1
1977	25	65	36.3	58	13.8	73	1.14	72	0
1976	29.4	53	37.5	53	21.1	53	3.74	34	2
1975	29.5	51	37.2	55	21.8	50	3.97	26	0
1974	34.3	14	42.8	17	25.8	21	3.23	43	0
1973	30.1	45	38.6	49	21.6	51	3.95	27	0
1972	30	46	39.2	42	20.8	54	2.95	49	0
1971	34.4	13	42.8	17	26	19	3.07	47	1
1970	36.1	9	46	1	26.1	17	7.17	2	0
1969	31.5	42	38.9	46	24.3	34	6.77	3	1
1968	31.9	37	41.9	23	22.2	45	3.09	46	3
1967	35.7	10	44.4	5	27	11	3.21	44	0
1966	34	18	44.2	8	23.7	39	0.71	74	0
1965	34.3	14	42.6	20	26	19	5.62	8	0
1964	26.6	63	35.2	67	18	66	3.63	35	0
1963	33.9	19	43.4	11	24.4	32	3.17	45	0
1962	28.1	58	36.2	59	19.9	60	3.55	37	0
1961	33.6	23	43	14	24.2	35	1.91	63	0
1960	28.9	55	38.7	48	19.1	63	3.86	30	1
1959	36.4	6	45.1	3	27.6	9	3.30	41	2
1958	34.1	17	41.6	25	26.7	14	5.20	13	0
1957	26.7	62	35.8	65	17.7	67	3.59	36	0
1956	31.2	43	40	36	22.3	44	4.59	16	0
1955									59
1954	35.1	11	43.4	11	26.8	12	2.11	59	0
1953	36.3	7	43.7	10	28.9	5	4.11	23	0
1952	26.6	63	34.2	69	18.5	64	4.51	18	4
1951	33.1	28	39.9	38	26.3	16	4.12	22	0
1950	27	61	35.8	65	18.2	65	3.51	38	0
1949	19.4	69	29.5	76	9.3	76	1.32	70	0
1948	32.9	30	41.9	23	23.9	37	1.33	69	0
1947									85
1946	29.5	51	37.8	51	21.2	52	4.02	24	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2003	37.1
2020	36.9
2015	36.8
2026	36.5
1978	36.5
1959	36.4
1953	36.3
2024	36.2
1970	36.1
1967	35.7

Coldest
Year	Mean, °F
1949	19.4
1985	22.2
2017	22.7
1979	23.4
1977	25
1964	26.6
1952	26.6
1957	26.7
1950	27
2014	27.4

Wettest
Year	Precipitation, in
2025	7.35
1970	7.17
2017	6.77
1969	6.77
1982	6.60
2000	5.93
1978	5.65
1965	5.62
1984	5.58
2006	5.51

Driest
Year	Precipitation, in
1966	0.71
2005	1.09
1977	1.14
1990	1.24
1949	1.32
1948	1.33
1987	1.54
1985	1.67
1991	1.76
2002	1.78

The hottest, coldest and wettest days

Hottest day: 64°F; 22 February 2026
Coldest night: 13°F; 25 January 2026
Wettest day: 1.14 in; 21 December 2025

Every month, season and year

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Ontario, OR the day's answers

All-time records

Every answer in words

Winter 2026 (December 2025 to February 2026) brought 4.01 in of precipitation in Ontario, OR, the wettest winter since 2025, 25th wettest of 74.
The hottest day of winter 2026 (December 2025 to February 2026) in Ontario, OR: 64°F on Sunday 22 February 2026.
The coldest night of winter 2026 (December 2025 to February 2026) in Ontario, OR: a low of 13°F on Sunday 25 January 2026.
The wettest day of winter 2026 (December 2025 to February 2026) in Ontario, OR: 1.14 in on Sunday 21 December 2025.