Ontario, OR: March

31 March 2026: March 2026 averaged 47.3°F in Ontario, OR, the warmest March since 2022, 8th warmest of 72.

March 2026

Mean temperature: 47.3°F; Warmest since 2022; 8th warmest of 72
Precipitation: 0.56 in; Driest since 2022; 28th driest of 78

A normal March in Ontario, OR (1991 to 2020): a mean temperature of 44.5°F, between 41.3°F and 47.6°F in eight years of ten and 0.80 in of precipitation, between 0.18 in and 1.82 in in eight years of ten.

The mean temperature of every March in Ontario, OR since 1946: 47.3°F in 2026; the highest is 48.7°F, in 1992.

Normal range, 41.3 to 47.6°F

Every year, ranked, as a table

Every March 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	47.3	8	61	7	33.6	15	0.56	51	0
2025	47.1	10	58.8	18	35.5	4	1.01	25	0
2024	45.3	20	57.4	30	33.1	21	0.83	32	0
2023	40.5	62	50	71	31.1	41	1.97	6	0
2022	47.4	7	60.3	9	34.5	6	0.19	71	0
2021	45.1	23	59.5	13	30.6	51	0.17	73	0
2020	45.8	16	59.5	13	32.1	30	0.81	34	0
2019	43.9	35	56.6	38	31.2	38	1.10	22	0
2018	45	25	56.8	35	33.3	20	0.91	29	0
2017	46.9	11	57	32	36.8	1	1.62	8	0
2016	47.2	9	58.6	19	35.7	3	0.43	60	0
2015	47.9	2	62.7	2	33.1	21	0.63	46	0
2014	45.8	16	57.9	26	33.8	11	1.26	15	0
2013	44.5	31	58	24	31	42	0.27	66	0
2012	45.7	18	57.8	28	33.7	12	1.30	13	0
2011	43.1	44	52.1	63	34.1	8	2.67	3	0
2010	43.7	40	56.2	45	31.2	38	0.43	60	0
2009	41	58	52.2	62	29.8	56	0.79	37	0
2008	40.8	61	52	64	29.5	61	0.65	45	0
2007	47.6	3	61.5	5	33.7	12	0.06	78	0
2006	42.3	51	51.8	65	32.8	24	2.94	2	0
2005	44.7	29	58.4	22	31	42	1.31	12	0
2004	47.6	3	61.5	5	33.7	12	0.21	69	0
2003	47.6	3	59.8	11	35.5	4	1.06	23	0
2002	41.5	55	53.5	57	29.6	58	0.52	54	0
2001	46	15	57.7	29	34.4	7	1.40	10	0
2000	43.3	43	55.2	49	31.5	35	0.91	29	0
1999	42.6	49	54.4	56	30.9	44	0.80	35	0
1998	43.9	35	54.6	55	33.1	21			0
1997	43.9	35	58.5	20	29.9	55	0.21	69	2
1996			59.1	16			0.51	55	5
1995			55.2	49			1.17	19	5
1994					29.6	58	0.07	77	6
1993	39.7	68	47.8	74	31.5	35	2.62	4	0
1992	48.7	1	64.7	1	32.7	25	0.08	76	1
1991	43.9	35	57	32	30.7	47	0.28	65	3
1990					30.7	47	0.10	74	5
1989	40.9	60	50.8	69	31.2	38	1.77	7	3
1988	43.6	41	58	24	29.2	65	0.24	67	3
1987					33.6	15	1.23	17	4
1986			59.8	11	34	9	0.93	28	4
1985	38.4	71	50	71	26.8	73	0.70	41	0
1984					32	32	1.16	20	4
1983	46.2	13	56.6	38	36	2	3.59	1	2
1982	42.5	50	53.5	57	31.6	33	0.53	53	0
1981	45.3	20	59.1	16	31.5	35	1.29	14	0
1980	42.9	46	55.1	51	30.7	47	1.05	24	0
1979	44.6	30	58.2	23	30.7	47	0.70	41	1
1978	47.6	3	61.7	4	33.6	15	0.44	59	0
1977	40.4	64	54.7	54	26.1	75	0.30	64	0
1976	38.6	70	51.5	66	25.6	76	0.32	63	0
1975	41.8	52	52.8	60	30.9	44	1.18	18	0
1974	44.2	33	56.1	46	32.2	29	0.80	35	0
1973	44.9	27	57.4	30	32.4	28	0.87	31	0
1972	46.2	13	59.9	10	32.5	27	0.69	43	0
1971	41.1	57	52.8	60	29.4	62	1.01	25	2
1970	42.9	46	55.7	48	30.1	54	0.60	48	0
1969	41.8	52	56.4	44	27.2	72	0.50	57	0
1968	46.8	12	62	3	31.6	33	0.45	58	0
1967	43.5	42	56.5	41	30.4	52	0.51	55	0
1966	44.9	27	60.5	8	29.4	62	0.63	46	0
1965	41	58	57.9	26	24.1	77	0.18	72	0
1964	39.9	66	51.1	68	28.6	66	0.83	32	0
1963	45.6	19	59.4	15	32.1	30	0.22	68	1
1962	41.7	54	54.8	53	28.5	67	0.71	40	0
1961	45.1	23	56.8	35	33.5	18	1.16	20	0
1960	43.9	35	56.9	34	30.9	44	1.43	9	0
1959	42.7	48	56.8	35	28.5	67	0.73	38	0
1958	41.5	55	55.1	51	27.9	70	0.94	27	0
1957	45	25	56.6	38	33.4	19	2.01	5	0
1956	44.1	34	58.5	20	29.7	57	0.09	75	0
1954	40.5	62	53.4	59	27.7	71	0.66	44	0
1953	43	45	56.5	41	29.4	62	0.58	50	0
1952	38.7	69	47.8	74	29.6	58	0.36	62	0
1951	38.4	71	50	71	26.8	73	0.73	38	0
1950	40.4	64	50.6	70	30.2	53	1.26	15	0
1949	45.2	22	56.5	41	33.9	10	0.54	52	0
1948	39.8	67	51.5	66	28.1	69	0.60	48	0
1946	44.3	32	56	47	32.6	26	1.40	10	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1992	48.7
2015	47.9
2007	47.6
2004	47.6
2003	47.6
1978	47.6
2022	47.4
2026	47.3
2016	47.2
2025	47.1

Coldest
Year	Mean, °F
1985	38.4
1951	38.4
1976	38.6
1952	38.7
1993	39.7
1948	39.8
1964	39.9
1977	40.4
1950	40.4
2023	40.5
More years share the last value

Wettest
Year	Precipitation, in
1983	3.59
2006	2.94
2011	2.67
1993	2.62
1957	2.01
2023	1.97
1989	1.77
2017	1.62
1960	1.43
2001	1.40
More years share the last value

Driest
Year	Precipitation, in
2007	0.06
1994	0.07
1992	0.08
1956	0.09
1990	0.10
2021	0.17
1965	0.18
2022	0.19
2004	0.21
1997	0.21

The hottest, coldest and wettest days

Hottest day: 80°F; 20 March 2026
Coldest night: 23°F; 27 March 2026
Wettest day: 0.29 in; 4 March 2026

Every month, season and year

Months

Seasons

Years

Ontario, OR the day's answers

All-time records

Every answer in words

March 2026 brought 0.56 in of precipitation in Ontario, OR, the driest March since 2022, 28th driest of 78.
The hottest day of March 2026 in Ontario, OR: 80°F on Friday 20 March 2026.
The coldest night of March 2026 in Ontario, OR: a low of 23°F on Friday 27 March 2026.
The wettest day of March 2026 in Ontario, OR: 0.29 in on Wednesday 4 March 2026.