Eureka October 31 Weather Records

Daily averages and all-time records for weather in Eureka, California for the date of October 31 (Halloween).

October 31 All-Time Records
1941–2024

74 °F

34 °F

52 °F

Highest daily low

56 °F

0.67 inches

Most snow

none

October 31 Average Weather
1991–2020 ¹

Average high

60.2 °F

Average low

45.8 °F

Chance precipitation

36.0%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)
2023	63	39	0.00
2022	61	42	0.00
2021	66	52	0.03
2020	55	44	0.00
2019	59	36	0.00
2018	62	44	0.00
2017	60	43	0.00
2016	60	48	0.41
2015	65	49	0.00
2014	61	48	0.29
2013	58	40	0.00
2012	62	55	0.41
2011	58	46	0.00
2010	65	54	0.01
2009	64	45	0.06
2008	72	56	0.03
2007	53	49	0.02
2006	56	36	0.00
2005	69	43	0.00
2004	57	38	0.00
2003	58	39	0.00
2002	57	34	0.00
2001	65	51	0.01
2000	57	46	0.00
1999	58	44	0.00
1998	54	40	0.53
1997	63	53	0.41
1996	55	42	0.00
1995	60	52	0.00
1994	67	45	0.00
1993	60	48	0.00
1992	65	56	0.58
1991	61	41	0.00
1990	59	46	0.14
1989	61	44	0.00
1988	55	50	0.00
1987	65	56	0.02
1986	62	47	0.00
1985	56	46	0.00
1984	55	40	0.00
1983	65	56	0.41
1982	60	44	0.00
1981	64	45	0.00
1980	71	49	0.00
1979	60	48	0.02
1978	62	40	0.00
1977	60	47	0.00
1976	68	49	0.02
1975	55	40	0.00
1974	54	48	0.08
1973	55	49	0.13
1972	55	39	0.00
1971	53	39	0.00
1970	65	54	0.00
1969	64	50	0.00
1968	55	44	0.00
1967	69	47	0.00
1966	74	49	0.00
1965	52	48	0.00
1964	64	52	0.00
1963	58	45	0.00
1962	59	48	0.00
1961	60	45	0.00
1960	61	47	0.00
1959	66	44	0.00
1958	65	54	0.34
1957	59	48	0.00
1956	54	41	0.09
1955	56	38	0.11
1954	52	43	0.00
1953	57	47	0.00
1952	58	50	0.00
1951	55	44	0.00
1950	59	45	0.03
1949	69	50	0.00
1948	55	51	0.67
1947	72	52	0.63
1946	55	40	0.15
1945	57	52	0.16
1944	64	55	0.25
1943	56	39	0.00
1942	64	46	0.00

What's the all-time high for Eureka on 10/31?

For the date of Oct 31, the highest temperature ever reached in Eureka history is 74 °F which happened in 1966.

Highest Temperatures in Eureka on October 31

What's the all-time low for Eureka on 10/31?

For the date of Oct 31, the lowest temperature ever reached in Eureka history is 34 °F which happened in 2002.

Lowest Temperatures in Eureka on October 31

Lowest High Temperatures in Eureka on October 31

What's the most it has ever rained in Eureka on 10/31?

For the date of Oct 31, the most precipitation ever recorded in Eureka history is 0.67 inches which happened in 1948.

All-Time Most Precipitation in Eureka on October 31

Weather Station Details

Years	Station	Coordinates
1941–2024	Eureka Woodley Island	location