Chula Vista August 18 Weather Records

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

August 18 All-Time Records 1918–2024
Highest temperature	90 °F	1986
Lowest temperature	57 °F	1949
Lowest daily high	69 °F	1975
Highest daily low	73 °F	2018
Most precipitation	0.11 inches	1945
Most snow	none	-

August 18 All-Time Records
1918–2024

Highest temperature

90 °F

57 °F

69 °F

Highest daily low

73 °F

2018

Most precipitation

0.11 inches

1945

Most snow

none

August 18 Average Weather 1991–2020 ¹
Average high	78.0 °F
Average low	65.8 °F
Chance precipitation	0.6%
Chance snow	0%

August 18 Average Weather
1991–2020 ¹

Average high

78.0 °F

Average low

65.8 °F

Chance precipitation

0.6%

Chance snow

Chula Vista August 18 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	77	63	0.00	n/a
2022	80	69	0.00	n/a
2021	79	70	0.00	n/a
2020	84	71	0.00	n/a
2019	74	65	0.00	n/a
2018	79	73	0.00	n/a
2017	75	64	0.00	n/a
2016	82	68	0.00	n/a
2015	80	71	0.00	n/a
2014	79	70	0.00	n/a
2013	73	63	0.00	n/a
2012	81	70	0.00	n/a
2011	73	62	0.00	n/a
2010	81	69	0.00	0.0
2009	73	65	0.00	0.0
2008	n/a	n/a	n/a	n/a
2007	n/a	n/a	0.00	0.0
2006	n/a	n/a	0.00	0.0
2005	75	66	0.00	0.0
2004	75	n/a	0.00	0.0
2003	83	68	0.00	0.0
2002	71	61	0.00	0.0
2001	77	62	0.00	0.0
2000	78	65	0.00	0.0
1999	77	65	0.00	0.0
1998	77	68	0.00	0.0
1997	82	64	0.00	0.0
1996	77	62	0.00	0.0
1995	76	61	0.00	0.0
1994	79	71	0.00	0.0
1993	75	66	0.00	0.0
1992	86	72	0.00	0.0
1991	76	65	0.00	0.0
1990	76	67	0.00	0.0
1989	75	66	0.00	0.0
1988	71	63	0.00	0.0
1987	75	65	0.00	0.0
1986	90	68	0.00	0.0
1985	77	67	0.00	0.0
1984	77	70	0.00	0.0
1983	77	72	0.06	0.0
1982	78	64	0.00	0.0
1981	74	68	0.00	0.0
1980	73	66	0.00	0.0
1979	72	67	0.00	0.0
1978	72	63	0.00	0.0
1977	73	66	0.07	0.0
1976	70	58	0.00	0.0
1975	69	59	0.00	0.0
1974	70	59	0.00	0.0
1973	70	64	0.00	0.0
1972	72	62	0.00	0.0
1971	76	68	0.00	0.0
1970	76	71	0.00	0.0
1969	72	66	0.00	0.0
1968	69	60	0.00	0.0
1967	75	69	0.00	0.0
1966	75	68	0.00	0.0
1965	72	65	0.00	0.0
1964	72	67	0.00	0.0
1963	n/a	n/a	0.00	0.0
1962	n/a	n/a	0.00	0.0
1961	71	63	0.00	0.0
1960	72	62	0.00	0.0
1959	74	68	0.00	0.0
1958	79	68	0.00	0.0
1957	n/a	n/a	0.00	0.0
1956	n/a	n/a	0.00	0.0
1955	75	67	0.00	0.0
1954	71	63	0.00	0.0
1953	72	63	0.00	0.0
1952	71	62	0.00	0.0
1951	72	65	0.00	0.0
1950	70	61	0.00	0.0
1949	69	57	0.00	0.0
1948	70	59	0.00	0.0
1947	71	62	0.00	0.0
1946	72	64	0.00	0.0
1945	76	70	0.11	0.0
1944	72	66	0.00	0.0
1943	75	66	0.00	n/a
1942	73	66	0.00	n/a
1941	74	65	0.00	n/a
1940	74	64	0.00	n/a
1939	73	67	0.00	n/a
1938	71	59	0.00	0.0
1937	71	64	0.00	n/a
1936	74	67	0.00	0.0
1935	71	62	0.00	n/a
1934	71	65	0.00	n/a
1933	71	63	0.00	n/a
1932	84	63	0.00	n/a
1931	75	68	0.00	n/a
1930	73	63	0.00	n/a
1929	75	65	0.00	n/a
1928	70	64	0.00	n/a
1927	70	64	0.00	n/a
1926	71	64	0.00	n/a
1925	73	57	0.00	n/a
1924	69	62	0.00	n/a
1923	70	65	0.00	n/a
1922	71	61	0.00	n/a
1921	70	63	0.00	n/a
1920	69	65	0.00	n/a
1919	72	64	0.00	n/a

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

For the date of Aug 18, the highest temperature ever reached in Chula Vista history is 90 °F which happened in 1986.

Highest Temperatures in Chula Vista on August 18

Rank	Temperature	Year
1	90 °F	1986
2	86 °F	1992
3	84 °F	2020
3	84 °F	1932
5	83 °F	2003
6	82 °F	2016
6	82 °F	1997
8	81 °F	2010
8	81 °F	2012
10	80 °F	2022
10	80 °F	2015

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

For the date of Aug 18, the lowest temperature ever reached in Chula Vista history is 57 °F which has happened 2 times, most recently in 1949.

Lowest Temperatures in Chula Vista on August 18

Rank	Temperature	Year
1	57 °F	1925
1	57 °F	1949
3	58 °F	1976
4	59 °F	1938
4	59 °F	1948
4	59 °F	1975
4	59 °F	1974
8	60 °F	1968
9	61 °F	1950
9	61 °F	1995
9	61 °F	2002
9	61 °F	1922

Lowest High Temperatures in Chula Vista on August 18

Rank	Temperature	Year
1	69 °F	1920
1	69 °F	1924
1	69 °F	1975
1	69 °F	1949
1	69 °F	1968
6	70 °F	1921
6	70 °F	1923
6	70 °F	1973
6	70 °F	1928
6	70 °F	1927
6	70 °F	1950
6	70 °F	1974
6	70 °F	1948
6	70 °F	1976

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

For the date of Aug 18, the most precipitation ever recorded in Chula Vista history is 0.11 inches which happened in 1945.

All-Time Most Precipitation in Chula Vista on August 18

Rank	Precipitation	Year
1	0.11 inches	1945
2	0.07 inches	1977
3	0.06 inches	1983

Weather Station Details

Years	Station	Coordinates
1918–2024	Chula Vista	location