Boise March 21 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of March 21.
March 21 All-Time Records
1911–2024
Highest temperature 78 °F 1928
Lowest temperature 20 °F 1913
Lowest daily high 39 °F 1938
Highest daily low 45 °F 2017
Most precipitation 0.43 inches 2011
Most snow 2.0 inches 1980
March 21 Average Weather
1991–2020 1
Average high 56.8 °F
Average low 35.2 °F
Chance precipitation 31.6%
Chance snow 3.7%
Boise March 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 51 33 0.10 0.2
2022 53 33 0.00 0.0
2021 51 31 0.00 0.0
2020 59 36 0.00 0.0
2019 62 36 0.00 0.0
2018 62 42 0.15 0.0
2017 62 45 0.10 0.0
2016 60 41 0.36 0.0
2015 65 45 0.00 0.0
2014 49 24 0.00 0.0
2013 45 33 0.00 0.0
2012 66 44 0.00 0.0
2011 56 39 0.43 0.0
2010 62 38 0.07 0.0
2009 65 43 0.25 0.0
2008 47 31 0.00 0.0
2007 51 31 0.00 0.0
2006 52 35 0.00 0.0
2005 52 40 0.00 0.0
2004 71 41 0.00 0.0
2003 56 37 0.00 0.0
2002 69 35 0.00 0.0
2001 65 41 0.00 0.0
2000 54 25 0.00 0.0
1999 55 39 0.21 0.0
1998 64 40 0.00 0.0
1997 58 32 0.00 0.0
1996 63 38 0.00 0.0
1995 53 35 0.01 0.0
1994 57 39 0.00 0.0
1993 60 34 0.00 0.0
1992 62 28 0.00 0.0
1991 57 27 0.00 0.0
1990 63 32 0.00 0.0
1989 45 40 0.24 0.0
1988 54 36 0.24 0.0
1987 52 30 0.00 0.0
1986 67 41 0.00 0.0
1985 48 33 0.09 0.0
1984 55 37 0.09 0.0
1983 53 32 0.00 0.0
1982 47 24 0.00 0.0
1981 57 40 0.05 0.0
1980 45 32 0.28 2.0
1979 58 36 0.00 0.0
1978 68 39 0.00 0.0
1977 56 25 0.00 0.0
1976 56 27 0.00 0.0
1975 42 33 0.12 0.2
1974 53 26 0.00 0.0
1973 49 40 0.00 0.0
1972 64 41 0.00 0.0
1971 58 36 0.00 0.0
1970 53 34 0.00 0.0
1969 58 31 0.00 0.0
1968 61 29 0.00 0.0
1967 57 36 0.00 0.0
1966 42 25 0.00 0.0
1965 57 24 0.00 0.0
1964 47 32 0.12 0.0
1963 73 45 0.00 0.0
1962 47 27 0.00 0.0
1961 56 30 0.00 0.0
1960 70 38 0.00 0.0
1959 62 36 0.02 0.0
1958 57 45 0.05 0.0
1957 42 29 0.01 0.0
1956 61 43 0.00 0.0
1955 43 21 0.00 0.0
1954 49 29 0.00 0.0
1953 42 30 0.21 1.8
1952 42 23 0.00 0.0
1951 58 37 0.00 0.0
1950 54 32 0.00 0.0
1949 52 38 0.06 0.0
1948 47 28 0.00 0.0
1947 65 37 0.00 0.0
1946 54 34 0.00 0.0
1945 60 41 0.00 0.0
1944 46 23 0.00 0.0
1943 52 28 0.00 0.0
1942 58 32 0.00 0.0
1941 58 23 0.00 0.0
1940 68 33 0.00 0.0
1939 70 33 0.00 0.0
1938 39 21 0.02 0.0
1937 55 33 0.00 n/a
1936 56 29 0.00 0.0
1935 40 30 0.04 0.0
1934 71 38 0.00 n/a
1933 46 25 0.00 0.0
1932 n/a 31 0.02 n/a
1931 68 36 0.15 n/a
1930 65 38 0.01 0.0
1929 56 42 0.25 0.0
1928 78 37 0.00 0.0
1927 62 29 0.00 0.0
1926 62 32 0.00 0.0
1925 69 32 0.00 0.0
1924 47 28 0.00 0.0
1923 48 28 0.00 0.0
1922 66 37 0.00 0.0
1921 59 40 0.00 0.0
1920 62 38 0.01 0.0
1919 61 27 0.00 0.0
1918 66 31 0.00 0.0
1917 43 31 0.08 1.0
1916 54 29 0.11 0.0
1915 69 31 0.00 0.0
1914 57 30 0.00 0.0
1913 39 20 0.04 0.2
1912 51 20 0.00 0.0
1911 69 36 0.00 0.0
What's the all-time high for Boise on 3/21?
For the date of Mar 21, the highest temperature ever reached in Boise history is 78 °F which happened in 1928.
Highest Temperatures in Boise on March 21
Rank Temperature Year
1 78 °F 1928
2 73 °F 1963
3 71 °F 1934
3 71 °F 2004
5 70 °F 1939
5 70 °F 1960
7 69 °F 1915
7 69 °F 2002
7 69 °F 1911
7 69 °F 1925
What's the all-time low for Boise on 3/21?
For the date of Mar 21, the lowest temperature ever reached in Boise history is 20 °F which has happened 2 times, most recently in 1913.
Lowest Temperatures in Boise on March 21
Rank Temperature Year
1 20 °F 1912
1 20 °F 1913
3 21 °F 1938
3 21 °F 1955
5 23 °F 1941
5 23 °F 1952
5 23 °F 1944
8 24 °F 2014
8 24 °F 1965
8 24 °F 1982
Lowest High Temperatures in Boise on March 21
Rank Temperature Year
1 39 °F 1913
1 39 °F 1938
3 40 °F 1935
4 42 °F 1957
4 42 °F 1975
4 42 °F 1953
4 42 °F 1952
4 42 °F 1966
9 43 °F 1955
9 43 °F 1917
What's the most it has ever rained in Boise on 3/21?
For the date of Mar 21, the most precipitation ever recorded in Boise history is 0.43 inches which happened in 2011.
All-Time Most Precipitation in Boise on March 21
Rank Precipitation Year
1 0.43 inches 2011
2 0.36 inches 2016
3 0.28 inches 1980
4 0.25 inches 1929
4 0.25 inches 2009
6 0.24 inches 1988
6 0.24 inches 1989
8 0.21 inches 1999
8 0.21 inches 1953
10 0.15 inches 1931
10 0.15 inches 2018
All-Time Most Snow in Boise on March 21
Rank Precipitation Year
1 2.0 inches 1980
2 1.8 inches 1953
3 1.0 inches 1917
4 0.2 inches 2023
4 0.2 inches 1975
4 0.2 inches 1913
Weather Station Details
Years Station Coordinates
1940–2024 location
1911–1939 Meridian 1 W location