Eureka August 18 Weather Records

Daily averages and all-time records for weather in Eureka, California for the date of August 18.

August 18 All-Time Records
1941–2024

71 °F

47 °F

54 °F

Highest daily low

58 °F

0.49 inches

Most snow

none

August 18 Average Weather
1991–2020 ¹

Average high

64.8 °F

Average low

53.5 °F

Chance precipitation

11.0%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)
2023	66	55	0.00
2022	64	53	0.00
2021	64	50	0.00
2020	65	53	0.00
2019	63	53	0.00
2018	65	49	0.00
2017	62	54	0.00
2016	61	51	0.00
2015	62	53	0.00
2014	62	55	0.00
2013	66	58	0.00
2012	60	50	0.00
2011	61	54	0.00
2010	62	54	0.00
2009	61	51	0.00
2008	63	56	0.01
2007	68	51	0.00
2006	59	50	0.00
2005	62	53	0.02
2004	66	56	0.00
2003	64	58	0.00
2002	61	52	0.00
2001	65	54	0.00
2000	69	47	0.00
1999	68	57	0.02
1998	64	54	0.00
1997	69	57	0.00
1996	64	47	0.00
1995	63	50	0.00
1994	67	56	0.00
1993	63	57	0.06
1992	61	53	0.00
1991	64	55	0.00
1990	69	57	0.25
1989	63	55	0.00
1988	64	54	0.00
1987	61	52	0.00
1986	71	53	0.00
1985	69	55	0.49
1984	67	56	0.00
1983	65	53	0.00
1982	65	55	0.00
1981	63	54	0.00
1980	61	52	0.04
1979	69	54	0.00
1978	61	48	0.00
1977	66	57	0.00
1976	63	54	0.04
1975	60	53	0.00
1974	62	52	0.00
1973	58	50	0.00
1972	63	54	0.00
1971	63	56	0.00
1970	57	48	0.00
1969	62	51	0.00
1968	65	57	0.01
1967	57	52	0.00
1966	58	50	0.00
1965	63	55	0.00
1964	62	53	0.00
1963	64	52	0.00
1962	66	54	0.00
1961	60	50	0.00
1960	58	50	0.00
1959	60	53	0.00
1958	61	53	0.00
1957	62	55	0.00
1956	60	53	0.00
1955	54	49	0.00
1954	59	53	0.00
1953	62	55	0.00
1952	63	52	0.00
1951	60	51	0.00
1950	61	53	0.00
1949	65	54	0.00
1948	67	57	0.01
1947	59	50	0.00
1946	59	50	0.00
1945	62	52	0.00
1944	61	54	0.00
1943	60	50	0.00
1942	60	54	0.00

What's the all-time high for Eureka on 8/18?

For the date of Aug 18, the highest temperature ever reached in Eureka history is 71 °F which happened in 1986.

Highest Temperatures in Eureka on August 18

What's the all-time low for Eureka on 8/18?

For the date of Aug 18, the lowest temperature ever reached in Eureka history is 47 °F which has happened 2 times, most recently in 2000.

Lowest Temperatures in Eureka on August 18

Lowest High Temperatures in Eureka on August 18

What's the most it has ever rained in Eureka on 8/18?

For the date of Aug 18, the most precipitation ever recorded in Eureka history is 0.49 inches which happened in 1985.

All-Time Most Precipitation in Eureka on August 18

Weather Station Details

Years	Station	Coordinates
1941–2024	Eureka Woodley Island	location