Boise October 20 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of October 20.
October 20 All-Time Records
1911–2024
Highest temperature 84 °F 2003
Lowest temperature 20 °F 1990
Lowest daily high 47 °F 1996
Highest daily low 55 °F 2003
Most precipitation 0.29 inches 2000
Most snow none -
October 20 Average Weather
1991–2020 1
Average high 62.8 °F
Average low 39.4 °F
Chance precipitation 19.4%
Chance snow 0.5%
Boise October 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 80 52 0.00 0.0
2022 76 46 0.00 0.0
2021 68 54 0.00 0.0
2020 62 45 0.00 0.0
2019 50 35 0.00 0.0
2018 72 43 0.00 0.0
2017 63 39 0.21 0.0
2016 66 43 0.00 0.0
2015 67 46 0.02 0.0
2014 77 47 0.02 0.0
2013 69 34 0.00 0.0
2012 64 44 0.03 0.0
2011 67 44 0.00 0.0
2010 73 42 0.00 0.0
2009 61 40 0.00 0.0
2008 71 49 0.00 0.0
2007 52 39 0.00 0.0
2006 60 36 0.00 0.0
2005 66 43 0.00 0.0
2004 58 43 0.00 0.0
2003 84 55 0.00 0.0
2002 67 41 0.00 0.0
2001 62 39 0.00 0.0
2000 72 50 0.29 0.0
1999 67 40 0.00 0.0
1998 63 36 0.00 0.0
1997 62 35 0.00 0.0
1996 47 23 0.00 0.0
1995 62 32 0.00 0.0
1994 64 36 0.00 0.0
1993 62 31 0.00 0.0
1992 79 43 0.00 0.0
1991 66 33 0.00 0.0
1990 51 20 0.00 0.0
1989 73 43 0.00 0.0
1988 68 38 0.00 0.0
1987 67 37 0.00 0.0
1986 67 43 0.00 0.0
1985 72 49 0.00 0.0
1984 47 28 0.00 0.0
1983 64 40 0.00 0.0
1982 61 29 0.00 0.0
1981 65 36 0.00 0.0
1980 68 37 0.00 0.0
1979 55 37 0.00 0.0
1978 73 49 0.00 0.0
1977 67 37 0.00 0.0
1976 62 29 0.00 0.0
1975 70 46 0.00 0.0
1974 66 43 0.01 0.0
1973 60 50 0.18 0.0
1972 67 45 0.00 0.0
1971 55 39 0.00 0.0
1970 53 41 0.16 0.0
1969 62 34 0.00 0.0
1968 56 35 0.17 0.0
1967 68 33 0.00 0.0
1966 68 40 0.00 0.0
1965 64 39 0.00 0.0
1964 66 36 0.00 0.0
1963 65 43 0.00 0.0
1962 65 40 0.00 0.0
1961 52 39 0.14 0.0
1960 66 39 0.00 0.0
1959 59 37 0.00 0.0
1958 54 33 0.00 0.0
1957 62 30 0.00 0.0
1956 68 35 0.00 0.0
1955 67 49 0.00 0.0
1954 62 36 0.00 0.0
1953 54 27 0.00 0.0
1952 71 45 0.00 0.0
1951 52 32 0.01 0.0
1950 72 43 0.00 0.0
1949 50 30 0.00 0.0
1948 69 37 0.00 0.0
1947 80 45 0.05 0.0
1946 67 49 0.03 0.0
1945 55 30 0.00 0.0
1944 70 40 0.00 0.0
1943 48 29 0.07 0.0
1942 70 39 0.00 0.0
1941 65 46 0.05 0.0
1940 70 45 0.00 0.0
1939 67 40 0.00 0.0
1938 68 30 0.00 0.0
1937 68 34 0.00 0.0
1936 67 39 0.00 0.0
1935 n/a n/a 0.00 0.0
1934 60 41 0.05 0.0
1933 64 38 0.00 0.0
1932 62 24 0.00 0.0
1931 75 33 0.00 n/a
1930 64 30 0.00 n/a
1929 68 31 0.00 0.0
1928 68 32 0.00 0.0
1927 80 37 0.00 0.0
1926 69 29 0.00 0.0
1925 65 30 0.00 0.0
1924 74 43 0.00 0.0
1923 64 36 0.00 0.0
1922 63 33 0.00 0.0
1921 76 39 0.00 0.0
1920 52 33 0.00 0.0
1919 62 33 0.00 0.0
1918 68 36 0.00 0.0
1917 64 29 0.00 0.0
1916 62 23 0.00 0.0
1915 76 33 0.00 0.0
1914 57 43 0.04 0.0
1913 70 35 0.00 0.0
1912 50 29 0.00 0.0
1911 59 23 0.00 0.0
What's the all-time high for Boise on 10/20?
For the date of Oct 20, the highest temperature ever reached in Boise history is 84 °F which happened in 2003.
Highest Temperatures in Boise on October 20
Rank Temperature Year
1 84 °F 2003
2 80 °F 1927
2 80 °F 1947
2 80 °F 2023
5 79 °F 1992
6 77 °F 2014
7 76 °F 2022
7 76 °F 1921
7 76 °F 1915
10 75 °F 1931
What's the all-time low for Boise on 10/20?
For the date of Oct 20, the lowest temperature ever reached in Boise history is 20 °F which happened in 1990.
Lowest Temperatures in Boise on October 20
Rank Temperature Year
1 20 °F 1990
2 23 °F 1996
2 23 °F 1911
2 23 °F 1916
5 24 °F 1932
6 27 °F 1953
7 28 °F 1984
8 29 °F 1912
8 29 °F 1943
8 29 °F 1982
8 29 °F 1976
8 29 °F 1917
8 29 °F 1926
Lowest High Temperatures in Boise on October 20
Rank Temperature Year
1 47 °F 1984
1 47 °F 1996
3 48 °F 1943
4 50 °F 1949
4 50 °F 2019
4 50 °F 1912
7 51 °F 1990
8 52 °F 1961
8 52 °F 2007
8 52 °F 1920
8 52 °F 1951
What's the most it has ever rained in Boise on 10/20?
For the date of Oct 20, the most precipitation ever recorded in Boise history is 0.29 inches which happened in 2000.
All-Time Most Precipitation in Boise on October 20
Rank Precipitation Year
1 0.29 inches 2000
2 0.21 inches 2017
3 0.18 inches 1973
4 0.17 inches 1968
5 0.16 inches 1970
6 0.14 inches 1961
7 0.07 inches 1943
8 0.05 inches 1934
8 0.05 inches 1941
8 0.05 inches 1947
Weather Station Details
Years Station Coordinates
1940–2024 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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