Modesto August 18 Weather Records

Daily averages and all-time records for weather in Modesto, California for the date of August 18.
August 18 All-Time Records
1906–2024
Highest temperature 106 °F 2020
Lowest temperature 50 °F 1959
Lowest daily high 68 °F 1975
Highest daily low 82 °F 2020
Most precipitation 0.59 inches 1975
August 18 Average Weather
1991–2020 1
Average high 93.4 °F
Average low 62.7 °F
Chance precipitation 0.5%
Modesto August 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 92 66 0.00 n/a
2022 101 70 0.00 n/a
2021 83 59 0.00 n/a
2020 106 82 0.00 n/a
2019 88 60 0.00 n/a
2018 101 66 0.00 n/a
2017 95 67 0.00 n/a
2016 97 67 0.00 n/a
2015 100 67 0.00 n/a
2014 94 61 0.00 n/a
2013 98 68 0.00 0.0
2012 98 70 0.00 n/a
2011 96 61 0.00 n/a
2010 88 58 0.00 n/a
2009 96 62 0.00 n/a
2008 88 61 0.00 n/a
2007 93 62 0.00 n/a
2006 93 60 0.00 n/a
2005 88 60 0.00 n/a
2004 99 63 0.00 n/a
2003 97 64 0.00 n/a
2002 91 56 0.00 n/a
2001 99 62 0.00 n/a
2000 91 58 0.00 n/a
1999 83 58 0.00 n/a
1998 87 56 0.00 0.0
1997 90 59 0.00 0.0
1996 89 58 0.00 0.0
1995 n/a n/a n/a n/a
1994 94 63 0.00 0.0
1993 94 65 0.00 0.0
1992 103 63 0.00 0.0
1991 87 57 0.00 0.0
1990 80 62 0.00 0.0
1989 87 57 0.00 0.0
1988 99 60 0.00 0.0
1987 87 58 0.00 0.0
1986 n/a n/a n/a n/a
1985 86 52 0.00 0.0
1984 101 67 0.00 0.0
1983 88 64 0.00 0.0
1982 94 63 0.00 0.0
1981 85 57 0.00 0.0
1980 86 56 0.00 0.0
1979 94 61 0.00 0.0
1978 93 59 0.00 0.0
1977 89 62 0.00 0.0
1976 78 60 0.06 0.0
1975 68 61 0.59 0.0
1974 89 54 0.00 0.0
1973 92 54 0.00 0.0
1972 85 58 0.00 0.0
1971 96 56 0.00 0.0
1970 93 61 0.00 0.0
1969 89 55 0.00 0.0
1968 82 55 0.00 0.0
1967 105 64 0.00 0.0
1966 101 64 0.00 0.0
1965 88 59 0.00 0.0
1964 95 59 0.00 0.0
1963 94 57 0.00 0.0
1962 92 56 0.00 0.0
1961 101 57 0.00 0.0
1960 104 61 0.00 0.0
1959 85 50 0.00 0.0
1958 95 65 0.00 0.0
1957 97 54 0.00 0.0
1956 90 55 0.00 0.0
1955 90 55 0.00 0.0
1954 93 55 0.00 0.0
1953 94 57 0.00 0.0
1952 93 55 0.00 0.0
1951 99 65 0.00 0.0
1950 105 62 0.00 0.0
1949 86 50 0.00 0.0
1948 86 56 0.00 0.0
1947 94 61 0.00 n/a
1946 95 58 0.00 n/a
1945 87 69 0.00 n/a
1944 90 51 0.00 n/a
1943 88 52 0.00 n/a
1942 98 60 0.00 n/a
1941 97 68 0.00 n/a
1940 92 57 0.00 n/a
1939 102 61 0.00 n/a
1938 83 55 0.00 n/a
1937 99 59 0.00 n/a
1936 92 55 0.00 n/a
1935 94 53 0.00 n/a
1934 102 58 0.00 n/a
1933 95 62 0.00 n/a
1932 94 51 0.00 n/a
1931 90 55 0.00 n/a
1930 86 52 0.00 n/a
1929 97 53 0.00 n/a
1928 97 53 0.00 n/a
1927 89 56 0.00 n/a
1926 n/a n/a n/a n/a
1925 n/a n/a n/a n/a
1924 n/a n/a n/a n/a
1923 n/a n/a n/a n/a
1922 n/a n/a n/a n/a
1921 n/a n/a n/a n/a
1920 n/a n/a n/a n/a
1919 n/a n/a n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 n/a n/a n/a n/a
1915 n/a n/a 0.00 n/a
1914 n/a n/a 0.00 0.0
1913 n/a n/a 0.00 n/a
1912 n/a n/a 0.00 n/a
1911 n/a n/a 0.00 n/a
1910 n/a n/a 0.00 n/a
1909 n/a n/a 0.00 n/a
1908 n/a n/a 0.00 n/a
1907 n/a n/a n/a n/a
1906 n/a n/a 0.00 n/a
What's the all-time high for Modesto on 8/18?
For the date of Aug 18, the highest temperature ever reached in Modesto history is 106 °F which happened in 2020.
Highest Temperatures in Modesto on August 18
Rank Temperature Year
1 106 °F 2020
2 105 °F 1967
2 105 °F 1950
4 104 °F 1960
5 103 °F 1992
6 102 °F 1939
6 102 °F 1934
8 101 °F 1961
8 101 °F 1966
8 101 °F 1984
8 101 °F 2018
8 101 °F 2022
What's the all-time low for Modesto on 8/18?
For the date of Aug 18, the lowest temperature ever reached in Modesto history is 50 °F which has happened 2 times, most recently in 1959.
Lowest Temperatures in Modesto on August 18
Rank Temperature Year
1 50 °F 1959
1 50 °F 1949
3 51 °F 1944
3 51 °F 1932
5 52 °F 1930
5 52 °F 1985
5 52 °F 1943
8 53 °F 1928
8 53 °F 1929
8 53 °F 1935
Lowest High Temperatures in Modesto on August 18
Rank Temperature Year
1 68 °F 1975
2 78 °F 1976
3 80 °F 1990
4 82 °F 1968
5 83 °F 2021
5 83 °F 1999
5 83 °F 1938
8 85 °F 1981
8 85 °F 1972
8 85 °F 1959
What's the most it has ever rained in Modesto on 8/18?
For the date of Aug 18, the most precipitation ever recorded in Modesto history is 0.59 inches which happened in 1975.
All-Time Most Precipitation in Modesto on August 18
Rank Precipitation Year
1 0.59 inches 1975
2 0.06 inches 1976
Weather Station Details
Years Station Coordinates
1906–2024 Modesto City-County Airport location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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