Boise October 18 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of October 18.
October 18 All-Time Records
1911–2023
Highest temperature 82 °F 2003
Lowest temperature 22 °F 1984
Lowest daily high 45 °F 1984
Highest daily low 59 °F 1958
Most precipitation 0.6 inches 1979
Most snow none -
October 18 Average Weather
1991–2020 1
Average high 63.7 °F
Average low 40.1 °F
Chance precipitation 19.5%
Chance snow 0.5%
Boise October 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 77 46 0.00 0.0
2021 63 47 0.00 0.0
2020 71 44 0.00 0.0
2019 60 38 0.01 0.0
2018 67 42 0.00 0.0
2017 76 38 0.00 0.0
2016 53 44 0.38 0.0
2015 66 54 0.09 0.0
2014 71 42 0.00 0.0
2013 62 32 0.00 0.0
2012 65 37 0.00 0.0
2011 67 41 0.00 0.0
2010 67 38 0.00 0.0
2009 71 49 0.09 0.0
2008 74 47 0.00 0.0
2007 51 35 0.01 0.0
2006 57 34 0.00 0.0
2005 73 44 0.00 0.0
2004 54 44 0.00 0.0
2003 82 50 0.00 0.0
2002 69 40 0.00 0.0
2001 60 32 0.00 0.0
2000 69 46 0.00 0.0
1999 64 33 0.00 0.0
1998 63 35 0.00 0.0
1997 68 42 0.00 0.0
1996 65 43 0.02 0.0
1995 60 34 0.04 0.0
1994 63 37 0.00 0.0
1993 58 31 0.00 0.0
1992 69 42 0.00 0.0
1991 61 27 0.00 0.0
1990 58 43 0.15 0.0
1989 73 41 0.00 0.0
1988 75 43 0.00 0.0
1987 63 31 0.00 0.0
1986 60 39 0.00 0.0
1985 71 40 0.00 0.0
1984 45 22 0.00 0.0
1983 60 37 0.00 0.0
1982 52 29 0.00 0.0
1981 69 38 0.00 0.0
1980 63 33 0.00 0.0
1979 55 44 0.55 0.0
1978 73 40 0.00 0.0
1977 76 47 0.00 0.0
1976 56 27 0.00 0.0
1975 66 44 0.00 0.0
1974 75 41 0.00 0.0
1973 77 46 0.00 0.0
1972 67 43 0.00 0.0
1971 52 27 0.00 0.0
1970 57 44 0.00 0.0
1969 57 32 0.00 0.0
1968 56 34 0.00 0.0
1967 71 35 0.00 0.0
1966 62 27 0.00 0.0
1965 66 39 0.00 0.0
1964 58 30 0.00 0.0
1963 66 44 0.00 0.0
1962 61 38 0.00 0.0
1961 64 32 0.00 0.0
1960 69 40 0.00 0.0
1959 69 36 0.00 0.0
1958 77 59 0.00 0.0
1957 58 30 0.00 0.0
1956 56 39 0.26 0.0
1955 68 50 0.00 0.0
1954 77 37 0.00 0.0
1953 59 42 0.05 0.0
1952 79 45 0.00 0.0
1951 62 35 0.03 0.0
1950 68 50 0.00 0.0
1949 46 26 0.00 0.0
1948 65 33 0.00 0.0
1947 73 45 0.00 0.0
1946 53 29 0.00 0.0
1945 52 25 0.00 0.0
1944 74 47 0.00 0.0
1943 50 34 0.00 0.0
1942 68 40 0.00 0.0
1941 75 44 0.00 0.0
1940 78 46 0.00 0.0
1939 67 42 0.00 0.0
1938 58 31 0.00 0.0
1937 55 35 0.00 0.0
1936 74 38 0.00 0.0
1934 63 40 0.00 0.0
1933 77 41 0.00 0.0
1932 60 35 0.00 0.0
1931 77 44 0.00 n/a
1930 70 30 0.00 n/a
1929 70 30 0.00 0.0
1928 70 31 0.00 0.0
1927 75 37 0.00 0.0
1926 63 37 0.00 0.0
1925 65 29 0.00 0.0
1924 66 38 0.00 0.0
1923 56 33 0.00 0.0
1922 76 35 0.00 0.0
1921 71 40 0.02 0.0
1920 49 36 0.22 0.0
1919 55 36 0.02 0.0
1918 60 34 0.00 0.0
1917 54 23 0.00 0.0
1916 55 35 0.00 0.0
1915 69 32 0.00 0.0
1914 n/a 36 0.14 0.0
1913 63 37 0.00 0.0
1912 60 26 0.00 0.0
1911 56 31 0.00 0.0
All-Time Highest Temperatures in Boise on October 18
Rank Temperature Year
1 82 °F 2003
2 79 °F 1952
3 78 °F 1940
4 77 °F 2022
4 77 °F 1931
4 77 °F 1954
4 77 °F 1933
4 77 °F 1973
4 77 °F 1958
10 76 °F 1922
10 76 °F 2017
10 76 °F 1977
All-Time Lowest Temperatures in Boise on October 18
Rank Temperature Year
1 22 °F 1984
2 23 °F 1917
3 25 °F 1945
4 26 °F 1912
4 26 °F 1949
6 27 °F 1966
6 27 °F 1991
6 27 °F 1976
6 27 °F 1971
10 29 °F 1982
10 29 °F 1946
10 29 °F 1925
Lowest High Temperatures in Boise on October 18
Rank Temperature Year
1 45 °F 1984
2 46 °F 1949
3 49 °F 1920
4 50 °F 1943
5 51 °F 2007
6 52 °F 1971
6 52 °F 1982
6 52 °F 1945
9 53 °F 2016
9 53 °F 1946
All-Time Most Precipitation in Boise on October 18
Rank Precipitation Year
1 0.6 inches 1979
2 0.4 inches 2016
3 0.3 inches 1956
4 0.2 inches 1920
5 0.1 inches 1990
6 0.1 inches 1914
7 0.1 inches 2009
7 0.1 inches 2015
9 0.1 inches 1953
10 0.0 inches 1995
Weather Station Details
Years Station Coordinates
1940–2023 location
1911–1939 Meridian 1 W location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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