Ontario, OR: October

9 October 2026: October 2026 so far averaged 63.1°F in Ontario, OR, the warmest 1 to 9 October since 2015, 3rd warmest of 72.

October 2026 so far, to 9 October 2026

Mean temperature: 63.1°F; Warmest since 2015; 3rd warmest of 72
Precipitation: 0.00 in; Ties the record; Driest of 78, provisional

A normal 1 to 9 October in Ontario, OR (1991 to 2020): 0.02 in of precipitation, between 0.00 in and 0.47 in in eight years of ten.

The mean temperature of every 1 to 9 October in Ontario, OR since 1945: 63.1°F in 2026; the highest is 65°F, in 2003.

Every year, ranked, as a table

Every 1 to 9 October in Ontario, OR from 1945 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	63.1	3	83.2	3	43	15	0.00	55	0
2025	57.9	27	71	45	44.8	9	0.23	20	0
2024	59.6	16	79.8	14	39.4	34	0.00	55	0
2023	60.8	11	75	28	46.7	4	0.09	29	0
2022	62.7	4	81.1	10	44.2	10	0.00	55	0
2021	58.9	23	74.7	29	43.1	14	trace	40	0
2020	61.1	9	82.1	6	40.1	27	0.00	55	0
2019	49.7	68	64.2	68	35.2	63	0.38	12	0
2018	54.2	46	64.4	67	43.9	11	0.90	1	0
2017	51.3	61	64.9	65	37.8	46	0.00	55	0
2016	55.7	37	71.1	43	40.2	26	0.02	37	0
2015	63.7	2	78.7	19	48.7	3	0.05	33	0
2014	59.4	18	77.3	23	41.6	19	0.00	55	0
2013	50.4	66	64	69	36.8	53	trace	40	0
2012	52.3	57	71.1	43	33.4	75	0.00	55	0
2011	57.8	29	69.3	52	46.2	5	0.59	7	0
2010	62.6	5	75.8	27	49.4	2	0.14	25	0
2009	47.5	72	60.2	75	34.8	71	0.15	24	0
2008	57.1	31	68.9	53	45.3	7	0.39	11	0
2007	53.3	54	66.2	63	40.4	23	0.27	17	0
2006	59.1	21	73.1	34	45.1	8	0.06	32	0
2005	50.6	65	63	71	38.1	44	0.70	5	0
2004	59.5	17	76.2	25	42.8	16	trace	40	0
2003	65	1	80.4	12	49.6	1	trace	40	0
2002	57.5	30	71.6	39	43.4	13	0.00	55	0
2001	56.7	34	73.9	31	39.4	34	0.07	31	0
2000	53.8	51	70.2	50	37.3	50	trace	40	0
1999	56.1	35	72.7	36	39.6	33	trace	40	0
1998	54.2	46	68.7	54	39.8	30	trace	40	0
1997	55.7	37	70.4	47	41	21			0
1996			83.7	2			0.00	55	1
1995			64.7	66					1
1994			68.1	55			0.36	14	1
1993					40.4	23			2
1992					39.7	32	0.19	23	1
1991					35	64	0.00	55	2
1990					33.4	75	trace	40	2
1989					37.8	46	0.24	19	1
1988	61.9	7	84.4	1	39.3	37	0.00	55	0
1987	59.9	15	81.2	9	38.6	41	0.00	55	0
1986	54.4	44	71	45	37.8	46	trace	40	0
1985					34.9	66	trace	40	1
1984	61.1	9	79.6	15	42.6	17	0.00	55	0
1983	54.7	41	71.4	40	38	45	0.09	29	0
1982	49.6	69	65	64	34.1	73	0.04	35	0
1981	49.2	70	63.3	70	35	64	0.30	15	0
1980	60.4	13	80.6	11	40.3	25	0.00	55	0
1979	61.9	7	83.1	4	40.7	22	0.00	55	0
1978	54.9	40	76.7	24	33.2	77	0.00	55	0
1977	51.4	60	67.9	58	34.9	66	0.00	55	0
1976	54.4	44	72.4	38	36.4	55	trace	40	0
1975	58.1	26	74.2	30	42	18	0.74	4	0
1974	51.8	58	70.4	47	33.1	78	0.11	28	0
1973	50.8	63	66.8	60	34.9	66	0.01	39	0
1972	58.2	25	79	17	37.4	49	0.03	36	0
1971	57.9	27	78.9	18	37	51	0.00	55	0
1970	54.7	41	72.6	37	36.9	52	trace	40	0
1969	50.8	63	66.8	60	34.9	66	0.20	22	0
1968	53.2	55	71.4	40	34.9	66	0.00	55	0
1967	54.2	46	69.9	51	38.6	41	0.75	3	0
1966	55.9	36	76	26	35.9	59	0.02	37	0
1965	59.1	21	82.1	6	36	57	0.00	55	0
1964	56.8	32	78	21	35.7	61	0.05	33	0
1963	62.1	6	80.3	13	43.8	12	0.26	18	0
1962	53.7	52	68.1	55	39.3	37	0.29	16	0
1961	54.1	49	73.4	32	34.7	72	0.00	55	0
1960	56.8	32	77.9	22	35.7	61	0.13	26	0
1959	52.9	56	66.7	62	39.1	39	0.47	9	0
1958	60	14	78.7	19	41.3	20	trace	40	0
1957	51.2	62	62.9	72	39.4	34	0.82	2	0
1956	59.4	18	82.2	5	36.7	54	trace	40	0
1954	54.5	43	72.8	35	36.2	56	0.00	55	0
1953	53.6	53	73.4	32	33.7	74	trace	40	0
1952	60.7	12	81.4	8	40	29	0.00	55	0
1951	54.1	49	68.1	55	40.1	27	0.51	8	0
1950	51.8	58	67.9	58	35.8	60	0.12	27	0
1949	48.9	71	61.8	73	36	57	0.42	10	0
1948	55.1	39	70.4	47	39.8	30	0.23	20	0
1947	58.6	24	71.3	42	45.8	6	0.37	13	0
1946	49.9	67	61.2	74	38.6	41	0.68	6	0
1945	59.2	20	79.3	16	39.1	39	0.00	55	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2003	65
2015	63.7
2026	63.1
2022	62.7
2010	62.6
1963	62.1
1988	61.9
1979	61.9
2020	61.1
1984	61.1

Coldest
Year	Mean, °F
2009	47.5
1949	48.9
1981	49.2
1982	49.6
2019	49.7
1946	49.9
2013	50.4
2005	50.6
1973	50.8
1969	50.8

Wettest
Year	Precipitation, in
2018	0.90
1957	0.82
1967	0.75
1975	0.74
2005	0.70
1946	0.68
2011	0.59
1951	0.51
1959	0.47
1949	0.42

Driest
Year	Precipitation, in
2026	0.00
2024	0.00
2022	0.00
2020	0.00
2017	0.00
2014	0.00
2012	0.00
2002	0.00
1996	0.00
1991	0.00
More years share the last value

The hottest, coldest and wettest days

Hottest day: 86°F; 6 October 2026
Coldest night: 39°F; 7 October 2026

Every month, season and year

Months

Seasons

Years

Ontario, OR the day's answers

All-time records

Every answer in words

October 2026 so far brought 0.00 in of precipitation in Ontario, OR, tying the record for the driest 1 to 9 October, set in 2024, 2022, 2020 and 20 other years, in 78 years since 1945 (1955 excluded: 9 of 9 days missing; 1993 excluded: 7 of 9 days missing; 1995 excluded: 1 of 9 days missing; 1 more year excluded for missing days); provisional.
The hottest day of October 2026 so far in Ontario, OR: 86°F on Tuesday 6 October 2026.
The coldest night of October 2026 so far in Ontario, OR: a low of 39°F on Wednesday 7 October 2026.