Boise February 18 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of February 18.
February 18 All-Time Records
1911–2024
Highest temperature 67 °F 1930
Lowest temperature 8 °F 1942
Lowest daily high 24 °F 2006
Highest daily low 44 °F 1980
Most precipitation 0.47 inches 1927
Most snow 1.6 inches 1974
February 18 Average Weather
1991–2020 1
Average high 46.9 °F
Average low 29.4 °F
Chance precipitation 33.4%
Chance snow 11.7%
Boise February 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 45 33 0.18 0.2
2023 39 23 0.00 0.0
2022 54 26 0.00 0.0
2021 37 20 0.04 1.0
2020 41 23 0.00 0.0
2019 35 21 0.00 0.0
2018 47 24 0.00 0.1
2017 50 40 0.26 0.0
2016 56 41 0.13 0.0
2015 56 30 0.00 0.0
2014 51 36 0.00 0.0
2013 47 26 0.00 0.0
2012 47 27 0.01 0.0
2011 44 35 0.16 1.0
2010 46 33 0.00 0.0
2009 50 29 0.00 0.0
2008 40 25 0.00 0.0
2007 50 32 0.03 0.0
2006 24 11 0.00 0.0
2005 42 23 0.00 0.0
2004 52 38 0.13 0.0
2003 46 32 0.04 0.2
2002 51 23 0.00 0.0
2001 53 33 0.00 0.0
2000 45 21 0.00 0.0
1999 42 30 0.12 0.1
1998 49 27 0.00 0.0
1997 49 25 0.00 0.0
1996 58 40 0.14 0.0
1995 57 37 0.00 0.0
1994 43 30 0.01 0.0
1993 31 19 0.06 0.6
1992 51 34 0.00 0.0
1991 43 24 0.00 0.0
1990 37 14 0.00 0.0
1989 41 34 0.09 0.0
1988 47 28 0.01 0.1
1987 44 26 0.00 0.0
1986 57 38 0.22 0.0
1985 32 21 0.00 0.0
1984 39 19 0.00 0.0
1983 54 40 0.04 0.0
1982 46 30 0.05 0.0
1981 51 38 0.10 0.0
1980 51 44 0.11 0.0
1979 46 36 0.03 0.0
1978 35 26 0.00 0.0
1977 57 28 0.00 0.0
1976 43 31 0.00 0.0
1975 40 20 0.00 0.0
1974 43 33 0.24 1.6
1973 45 29 0.00 0.0
1972 57 37 0.00 0.0
1971 48 30 0.18 0.0
1970 47 30 0.01 0.1
1969 44 30 0.00 0.0
1968 47 36 0.30 0.0
1967 45 29 0.01 0.0
1966 47 22 0.00 0.0
1965 57 31 0.00 0.0
1964 44 25 0.00 0.0
1963 48 35 0.34 0.0
1962 47 31 0.03 0.0
1961 44 24 0.00 0.0
1960 37 30 0.00 0.0
1959 46 38 0.17 0.0
1958 65 41 0.00 0.0
1957 32 30 0.00 0.0
1956 32 17 0.02 0.3
1955 29 18 0.00 0.0
1954 41 27 0.00 0.0
1953 36 26 0.01 0.1
1952 30 17 0.00 0.0
1951 40 27 0.05 0.0
1950 54 31 0.00 0.0
1949 43 36 0.02 0.0
1948 54 30 0.00 0.0
1947 51 29 0.00 0.0
1946 49 29 0.00 0.0
1945 38 27 0.00 0.0
1944 39 25 0.00 0.0
1943 50 29 0.00 0.0
1942 28 8 0.00 0.0
1941 41 31 0.00 0.0
1940 40 30 0.03 0.0
1939 42 23 0.00 0.0
1938 39 24 0.00 0.0
1937 45 22 0.02 0.8
1936 27 18 0.00 0.0
1935 39 17 0.00 0.0
1934 56 30 0.00 0.0
1933 44 15 0.08 1.2
1932 n/a 12 0.00 0.0
1931 55 33 0.00 n/a
1930 67 36 0.00 0.0
1929 38 13 0.00 0.0
1928 49 21 0.00 n/a
1927 50 37 0.47 0.0
1926 52 30 0.00 0.0
1925 57 25 0.00 0.0
1924 52 25 0.00 0.0
1923 45 24 0.00 0.0
1922 45 33 0.13 0.0
1921 38 17 0.00 0.0
1920 57 26 0.00 0.0
1919 43 28 0.04 0.5
1918 44 21 0.00 0.0
1917 37 24 0.00 0.0
1916 49 26 0.00 0.0
1915 51 38 0.08 0.0
1914 51 32 0.00 0.0
1913 41 25 0.02 0.2
1912 47 33 0.00 0.0
1911 38 20 0.01 0.1
What's the all-time high for Boise on 2/18?
For the date of Feb 18, the highest temperature ever reached in Boise history is 67 °F which happened in 1930.
Highest Temperatures in Boise on February 18
Rank Temperature Year
1 67 °F 1930
2 65 °F 1958
3 58 °F 1996
4 57 °F 1972
4 57 °F 1920
4 57 °F 1925
4 57 °F 1977
4 57 °F 1995
4 57 °F 1986
4 57 °F 1965
What's the all-time low for Boise on 2/18?
For the date of Feb 18, the lowest temperature ever reached in Boise history is 8 °F which happened in 1942.
Lowest Temperatures in Boise on February 18
Rank Temperature Year
1 8 °F 1942
2 11 °F 2006
3 12 °F 1932
4 13 °F 1929
5 14 °F 1990
6 15 °F 1933
7 17 °F 1935
7 17 °F 1956
7 17 °F 1952
7 17 °F 1921
Lowest High Temperatures in Boise on February 18
Rank Temperature Year
1 24 °F 2006
2 27 °F 1936
3 28 °F 1942
4 29 °F 1955
5 30 °F 1952
6 31 °F 1993
7 32 °F 1957
7 32 °F 1985
7 32 °F 1956
10 35 °F 2019
10 35 °F 1978
What's the most it has ever rained in Boise on 2/18?
For the date of Feb 18, the most precipitation ever recorded in Boise history is 0.47 inches which happened in 1927.
All-Time Most Precipitation in Boise on February 18
Rank Precipitation Year
1 0.47 inches 1927
2 0.34 inches 1963
3 0.30 inches 1968
4 0.26 inches 2017
5 0.24 inches 1974
6 0.22 inches 1986
7 0.18 inches 2024
7 0.18 inches 1971
9 0.17 inches 1959
10 0.16 inches 2011
All-Time Most Snow in Boise on February 18
Rank Precipitation Year
1 1.6 inches 1974
2 1.2 inches 1933
3 1.0 inches 2011
3 1.0 inches 2021
5 0.8 inches 1937
6 0.6 inches 1993
7 0.5 inches 1919
8 0.3 inches 1956
9 0.2 inches 2003
9 0.2 inches 2024
9 0.2 inches 1913
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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