Eureka July 21 Weather Records

Daily averages and all-time records for weather in Eureka, California for the date of July 21.

July 21 All-Time Records
1941–2024

74 °F

47 °F

55 °F

Highest daily low

62 °F

0.09 inches

Most snow

none

July 21 Average Weather
1991–2020 ¹

Average high

63.7 °F

Average low

53.1 °F

Chance precipitation

10.3%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)
2023	62	53	0.00
2022	63	53	0.01
2021	64	52	0.00
2020	61	52	0.01
2019	63	55	0.00
2018	64	50	0.00
2017	65	53	0.00
2016	67	57	0.00
2015	64	56	0.00
2014	65	55	0.00
2013	59	51	0.00
2012	60	54	0.00
2011	64	54	0.00
2010	57	51	0.00
2009	58	51	0.00
2008	57	50	0.00
2007	74	62	0.00
2006	67	53	0.00
2005	63	51	0.00
2004	68	57	0.00
2003	66	55	0.00
2002	61	51	0.00
2001	64	52	0.00
2000	66	54	0.02
1999	59	54	0.00
1998	63	54	0.00
1997	67	55	0.00
1996	64	53	0.01
1995	64	57	0.00
1994	61	52	0.00
1993	67	53	0.00
1992	68	60	0.00
1991	64	52	0.00
1990	62	54	0.00
1989	64	54	0.00
1988	61	53	0.00
1987	64	58	0.00
1986	63	51	0.00
1985	65	52	0.01
1984	61	49	0.00
1983	65	54	0.00
1982	64	51	0.00
1981	59	52	0.00
1980	63	53	0.00
1979	60	54	0.00
1978	68	52	0.00
1977	62	48	0.00
1976	61	53	0.00
1975	65	57	0.00
1974	61	55	0.00
1973	61	53	0.00
1972	63	56	0.00
1971	65	53	0.00
1970	59	53	0.00
1969	60	50	0.00
1968	60	52	0.00
1967	60	54	0.00
1966	61	50	0.00
1965	59	50	0.00
1964	63	56	0.09
1963	65	50	0.00
1962	56	47	0.00
1961	63	55	0.02
1960	55	51	0.00
1959	61	53	0.00
1958	60	54	0.00
1957	59	53	0.00
1956	59	51	0.00
1955	57	50	0.00
1954	60	52	0.00
1953	61	51	0.00
1952	59	51	0.00
1951	59	53	0.00
1950	59	52	0.00
1949	59	50	0.00
1948	57	52	0.00
1947	62	54	0.00
1946	61	55	0.00
1945	68	54	0.00
1944	58	52	0.00
1943	64	55	0.00
1942	62	58	0.00

What's the all-time high for Eureka on 7/21?

For the date of Jul 21, the highest temperature ever reached in Eureka history is 74 °F which happened in 2007.

Highest Temperatures in Eureka on July 21

What's the all-time low for Eureka on 7/21?

For the date of Jul 21, the lowest temperature ever reached in Eureka history is 47 °F which happened in 1962.

Lowest Temperatures in Eureka on July 21

Lowest High Temperatures in Eureka on July 21

What's the most it has ever rained in Eureka on 7/21?

For the date of Jul 21, the most precipitation ever recorded in Eureka history is 0.09 inches which happened in 1964.

All-Time Most Precipitation in Eureka on July 21

Weather Station Details

Years	Station	Coordinates
1941–2024	Eureka Woodley Island	location