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
1940–2022
Highest temperature 73 °F 1963
Lowest temperature 21 °F 1955
Lowest daily high 42 °F 1975
Highest daily low 45 °F 2017
Most precipitation 0.4 inches 2011
Most snow 2.0 inches 1980
March 21 Average Weather
1991–2020 1
Average high 56.8 °F
Average low 35.3 °F
Chance precipitation 31.5%
Chance snow 3.7%
Boise March 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
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
All-Time Highest Temperatures in Boise on March 21
Rank Temperature Year
1 73 °F 1963
2 71 °F 2004
3 70 °F 1960
4 69 °F 2002
5 68 °F 1978
5 68 °F 1940
7 67 °F 1986
8 66 °F 2012
9 65 °F 2015
9 65 °F 2001
9 65 °F 2009
9 65 °F 1947
All-Time Lowest Temperatures in Boise on March 21
Rank Temperature Year
1 21 °F 1955
2 23 °F 1944
2 23 °F 1941
2 23 °F 1952
5 24 °F 1965
5 24 °F 1982
7 24 °F 2014
8 25 °F 1977
8 25 °F 2000
8 25 °F 1966
Lowest High Temperatures in Boise on March 21
Rank Temperature Year
1 42 °F 1952
1 42 °F 1975
1 42 °F 1953
1 42 °F 1966
1 42 °F 1957
6 43 °F 1955
7 45 °F 1980
7 45 °F 1989
7 45 °F 2013
10 46 °F 1944
All-Time Most Precipitation in Boise on March 21
Rank Precipitation Year
1 0.4 inches 2011
2 0.4 inches 2016
3 0.3 inches 1980
4 0.3 inches 2009
5 0.2 inches 1988
5 0.2 inches 1989
7 0.2 inches 1953
7 0.2 inches 1999
9 0.1 inches 2018
10 0.1 inches 1964
10 0.1 inches 1975
All-Time Most Snow in Boise on March 21
Rank Precipitation Year
1 2.0 inches 1980
2 1.8 inches 1953
3 0.2 inches 1975
Weather Station Details
Years Station Coordinates
1940–2022 location