Boise August 11 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of August 11.
August 11 All-Time Records
1911–2024
Highest temperature 104 °F 2018
Lowest temperature 45 °F 1985
Lowest daily high 71 °F 2010
Highest daily low 75 °F 1984
Most precipitation 0.40 inches 1941
Most snow none -
August 11 Average Weather
1991–2020 1
Average high 91.9 °F
Average low 61.5 °F
Chance precipitation 7.2%
Chance snow 0%
Boise August 11 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 96 62 0.00 0.0
2022 100 71 0.00 0.0
2021 98 62 0.00 0.0
2020 97 62 0.00 0.0
2019 78 58 0.00 0.0
2018 104 71 0.00 0.0
2017 97 68 0.00 0.0
2016 87 57 0.00 0.0
2015 102 66 0.00 0.0
2014 102 72 0.00 0.0
2013 90 68 0.00 0.0
2012 94 60 0.00 0.0
2011 87 58 0.00 0.0
2010 71 55 0.12 0.0
2009 97 66 0.00 0.0
2008 84 55 0.00 0.0
2007 95 56 0.00 0.0
2006 87 56 0.00 0.0
2005 91 57 0.00 0.0
2004 97 63 0.00 0.0
2003 95 65 0.00 0.0
2002 90 59 0.00 0.0
2001 97 68 0.00 0.0
2000 87 62 0.00 0.0
1999 74 59 0.26 0.0
1998 97 64 0.00 0.0
1997 80 59 0.05 0.0
1996 102 72 0.00 0.0
1995 79 50 0.00 0.0
1994 96 68 0.00 0.0
1993 86 56 0.00 0.0
1992 98 57 0.00 0.0
1991 91 48 0.00 0.0
1990 94 60 0.00 0.0
1989 95 62 0.00 0.0
1988 98 64 0.00 0.0
1987 84 53 0.00 0.0
1986 92 69 0.00 0.0
1985 74 45 0.00 0.0
1984 96 75 0.00 0.0
1983 86 60 0.00 0.0
1982 81 51 0.00 0.0
1981 96 62 0.00 0.0
1980 96 64 0.00 0.0
1979 94 65 0.00 0.0
1978 95 52 0.00 0.0
1977 94 60 0.00 0.0
1976 90 57 0.00 0.0
1975 91 52 0.00 0.0
1974 89 52 0.00 0.0
1973 92 55 0.00 0.0
1972 102 65 0.00 0.0
1971 97 60 0.00 0.0
1970 95 65 0.00 0.0
1969 90 65 0.00 0.0
1968 90 65 0.00 0.0
1967 94 66 0.00 0.0
1966 80 55 0.00 0.0
1965 91 62 0.04 0.0
1964 99 66 0.00 0.0
1963 95 62 0.00 0.0
1962 94 60 0.00 0.0
1961 93 59 0.00 0.0
1960 95 66 0.00 0.0
1959 87 53 0.00 0.0
1958 97 70 0.00 0.0
1957 82 52 0.00 0.0
1956 89 54 0.00 0.0
1955 95 66 0.00 0.0
1954 87 55 0.00 0.0
1953 89 54 0.00 0.0
1952 88 59 0.00 0.0
1951 90 62 0.00 0.0
1950 85 55 0.00 0.0
1949 88 54 0.00 0.0
1948 88 55 0.00 0.0
1947 92 56 0.00 0.0
1946 95 64 0.00 0.0
1945 91 54 0.00 0.0
1944 94 61 0.00 0.0
1943 87 54 0.00 0.0
1942 92 62 0.00 0.0
1941 80 64 0.40 0.0
1940 99 60 0.00 0.0
1939 92 64 0.00 0.0
1938 93 53 0.00 0.0
1937 91 57 0.00 0.0
1936 89 60 0.00 0.0
1935 n/a n/a 0.00 0.0
1934 92 56 0.00 n/a
1933 94 56 0.00 0.0
1932 76 n/a 0.00 n/a
1931 100 49 0.00 n/a
1930 94 60 0.00 n/a
1929 100 50 0.00 n/a
1928 90 56 0.00 n/a
1927 90 51 0.00 n/a
1926 96 59 0.00 0.0
1925 89 61 0.00 0.0
1924 99 47 0.00 0.0
1923 98 54 0.00 0.0
1922 92 52 0.00 0.0
1921 95 59 0.00 0.0
1920 93 57 0.00 0.0
1919 90 57 0.00 0.0
1918 84 55 0.00 0.0
1917 89 46 0.00 0.0
1916 92 56 0.00 0.0
1915 95 57 0.00 0.0
1914 94 46 0.00 0.0
1913 92 54 0.00 0.0
1912 83 53 0.00 0.0
1911 91 51 0.00 0.0
What's the all-time high for Boise on 8/11?
For the date of Aug 11, the highest temperature ever reached in Boise history is 104 °F which happened in 2018.
Highest Temperatures in Boise on August 11
Rank Temperature Year
1 104 °F 2018
2 102 °F 2015
2 102 °F 2014
2 102 °F 1996
2 102 °F 1972
6 100 °F 2022
6 100 °F 1931
6 100 °F 1929
9 99 °F 1940
9 99 °F 1924
9 99 °F 1964
What's the all-time low for Boise on 8/11?
For the date of Aug 11, the lowest temperature ever reached in Boise history is 45 °F which happened in 1985.
Lowest Temperatures in Boise on August 11
Rank Temperature Year
1 45 °F 1985
2 46 °F 1917
2 46 °F 1914
4 47 °F 1924
5 48 °F 1991
6 49 °F 1931
7 50 °F 1929
7 50 °F 1995
9 51 °F 1911
9 51 °F 1927
9 51 °F 1982
Lowest High Temperatures in Boise on August 11
Rank Temperature Year
1 71 °F 2010
2 74 °F 1999
2 74 °F 1985
4 76 °F 1932
5 78 °F 2019
6 79 °F 1995
7 80 °F 1941
7 80 °F 1966
7 80 °F 1997
10 81 °F 1982
What's the most it has ever rained in Boise on 8/11?
For the date of Aug 11, the most precipitation ever recorded in Boise history is 0.40 inches which happened in 1941.
All-Time Most Precipitation in Boise on August 11
Rank Precipitation Year
1 0.40 inches 1941
2 0.26 inches 1999
3 0.12 inches 2010
4 0.05 inches 1997
5 0.04 inches 1965
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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