Grand Junction August 18 Weather Records

Daily averages and all-time records for weather in Grand Junction, Colorado for the date of August 18.
August 18 All-Time Records
1900–2024
Highest temperature 101 °F 2020
Lowest temperature 47 °F 1978
Lowest daily high 74 °F 1978
Highest daily low 72 °F 1932
Most precipitation 0.88 inches 2023
Most snow none -
August 18 Average Weather
1991–2020 1
Average high 90.3 °F
Average low 61.6 °F
Chance precipitation 21.3%
Chance snow 0%
Grand Junction August 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 90 65 0.88 0.0
2022 96 67 0.00 0.0
2021 87 61 0.47 0.0
2020 101 62 0.00 0.0
2019 97 63 0.00 0.0
2018 88 63 0.07 0.0
2017 94 60 0.00 0.0
2016 88 63 0.00 0.0
2015 90 52 0.00 0.0
2014 94 61 0.00 0.0
2013 93 63 0.00 0.0
2012 95 61 0.00 0.0
2011 99 61 0.00 0.0
2010 92 61 0.00 0.0
2009 89 57 0.00 0.0
2008 88 52 0.00 0.0
2007 92 66 0.00 0.0
2006 91 59 0.00 0.0
2005 88 55 0.00 0.0
2004 78 55 0.01 0.0
2003 93 58 0.00 0.0
2002 99 67 0.00 0.0
2001 93 60 0.00 0.0
2000 85 63 0.00 0.0
1999 89 61 0.00 0.0
1998 86 63 0.09 0.0
1997 87 63 0.00 0.0
1996 91 65 0.00 0.0
1995 95 64 0.00 0.0
1994 96 71 0.00 0.0
1993 91 52 0.00 0.0
1992 93 59 0.00 0.0
1991 91 63 0.11 0.0
1990 86 61 0.00 0.0
1989 79 57 0.26 0.0
1988 94 61 0.00 0.0
1987 92 53 0.00 0.0
1986 96 66 0.00 0.0
1985 92 67 0.00 0.0
1984 94 69 0.10 0.0
1983 92 70 0.12 0.0
1982 92 67 0.00 0.0
1981 93 62 0.00 0.0
1980 92 58 0.00 0.0
1979 79 58 0.00 0.0
1978 74 47 0.00 0.0
1977 91 67 0.00 0.0
1976 87 60 0.00 0.0
1975 94 66 0.00 0.0
1974 97 60 0.00 0.0
1973 91 64 0.00 0.0
1972 86 66 0.00 0.0
1971 93 69 0.00 0.0
1970 94 62 0.00 0.0
1969 86 64 0.08 0.0
1968 82 47 0.00 0.0
1967 96 62 0.00 0.0
1966 97 68 0.00 0.0
1965 76 63 0.22 0.0
1964 94 61 0.00 0.0
1963 87 59 0.00 0.0
1962 87 64 0.00 0.0
1961 92 62 0.00 0.0
1960 87 54 0.00 0.0
1959 86 67 0.04 0.0
1958 87 63 0.00 0.0
1957 93 60 0.00 0.0
1956 83 56 0.00 0.0
1955 88 59 0.00 0.0
1954 88 55 0.00 0.0
1953 85 60 0.02 0.0
1952 93 61 0.00 0.0
1951 94 61 0.00 0.0
1950 92 57 0.00 0.0
1949 91 55 0.00 0.0
1948 93 68 0.06 0.0
1947 88 58 0.00 0.0
1946 95 61 0.00 0.0
1945 92 70 0.00 0.0
1944 85 68 0.00 0.0
1943 78 62 0.10 0.0
1942 90 62 0.00 0.0
1941 86 60 0.00 0.0
1940 94 66 0.00 0.0
1939 97 62 0.00 0.0
1938 89 61 0.00 0.0
1937 90 64 0.00 0.0
1936 94 64 0.00 0.0
1935 89 61 0.00 0.0
1934 96 68 0.00 0.0
1933 81 64 0.10 0.0
1932 90 72 0.01 0.0
1931 93 62 0.00 0.0
1930 90 62 0.00 0.0
1929 89 67 0.00 0.0
1928 93 62 0.00 0.0
1927 90 58 0.00 0.0
1926 90 61 0.00 0.0
1925 83 70 0.00 0.0
1924 92 60 0.00 0.0
1923 80 61 0.12 0.0
1922 91 70 0.00 0.0
1921 90 63 0.00 0.0
1920 88 64 0.02 0.0
1919 86 65 0.01 0.0
1918 90 57 0.00 0.0
1917 84 62 0.01 0.0
1916 85 65 0.00 0.0
1915 90 56 0.00 0.0
1914 94 66 0.01 0.0
1913 91 59 0.00 0.0
1912 88 61 0.00 0.0
1911 93 68 0.00 0.0
1910 94 62 0.00 0.0
1909 87 65 0.09 0.0
1908 76 62 0.01 0.0
1907 86 63 0.03 0.0
1906 93 66 0.00 0.0
1905 91 56 0.00 0.0
1904 82 63 0.03 0.0
1903 96 64 0.00 0.0
1902 90 52 0.00 0.0
1901 84 62 0.01 0.0
1900 80 56 0.00 0.0
What's the all-time high for Grand Junction on 8/18?
For the date of Aug 18, the highest temperature ever reached in Grand Junction history is 101 °F which happened in 2020.
Highest Temperatures in Grand Junction on August 18
Rank Temperature Year
1 101 °F 2020
2 99 °F 2002
2 99 °F 2011
4 97 °F 1966
4 97 °F 2019
4 97 °F 1939
4 97 °F 1974
8 96 °F 2022
8 96 °F 1903
8 96 °F 1994
8 96 °F 1934
8 96 °F 1986
8 96 °F 1967
What's the all-time low for Grand Junction on 8/18?
For the date of Aug 18, the lowest temperature ever reached in Grand Junction history is 47 °F which has happened 2 times, most recently in 1978.
Lowest Temperatures in Grand Junction on August 18
Rank Temperature Year
1 47 °F 1968
1 47 °F 1978
3 52 °F 1902
3 52 °F 2015
3 52 °F 1993
3 52 °F 2008
7 53 °F 1987
8 54 °F 1960
9 55 °F 1954
9 55 °F 2004
9 55 °F 1949
9 55 °F 2005
Lowest High Temperatures in Grand Junction on August 18
Rank Temperature Year
1 74 °F 1978
2 76 °F 1908
2 76 °F 1965
4 78 °F 1943
4 78 °F 2004
6 79 °F 1979
6 79 °F 1989
8 80 °F 1900
8 80 °F 1923
10 81 °F 1933
What's the most it has ever rained in Grand Junction on 8/18?
For the date of Aug 18, the most precipitation ever recorded in Grand Junction history is 0.88 inches which happened in 2023.
All-Time Most Precipitation in Grand Junction on August 18
Rank Precipitation Year
1 0.88 inches 2023
2 0.47 inches 2021
3 0.26 inches 1989
4 0.22 inches 1965
5 0.12 inches 1923
5 0.12 inches 1983
7 0.11 inches 1991
8 0.10 inches 1943
8 0.10 inches 1933
8 0.10 inches 1984
Weather Station Details
Years Station Coordinates
1900–2024 Grand Junction Walker Field location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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