Boise March 18 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of March 18.

March 18 All-Time Records 1911–2023
Highest temperature	73 °F	1997
Lowest temperature	8 °F	1965
Lowest daily high	32 °F	1965
Highest daily low	52 °F	2017
Most precipitation	0.6 inches	1972
Most snow	1.0 inches	1927

March 18 All-Time Records
1911–2023

Highest temperature

73 °F

8 °F

32 °F

Highest daily low

52 °F

0.6 inches

1.0 inches

March 18 Average Weather 1991–2020 ¹
Average high	56.1 °F
Average low	34.8 °F
Chance precipitation	32.4%
Chance snow	4.7%

March 18 Average Weather
1991–2020 ¹

Average high

56.1 °F

Average low

34.8 °F

Chance precipitation

32.4%

Chance snow

4.7%

Boise March 18 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	54	29	0.00	0.0
2022	60	35	0.00	0.0
2021	69	41	0.00	0.0
2020	49	36	0.00	0.0
2019	63	35	0.00	0.0
2018	51	35	0.00	0.0
2017	63	52	0.00	0.0
2016	53	28	0.00	0.0
2015	59	38	0.00	0.0
2014	48	26	0.00	0.0
2013	51	25	0.00	0.0
2012	41	34	0.17	0.4
2011	56	36	0.00	0.0
2010	55	33	0.00	0.0
2009	60	34	0.00	0.0
2008	53	39	0.16	0.0
2007	67	39	0.00	0.0
2006	49	32	0.00	0.0
2005	54	29	0.00	0.0
2004	72	46	0.00	0.0
2003	56	33	0.00	0.0
2002	40	20	0.00	0.0
2001	55	39	0.00	0.0
2000	54	30	0.06	0.0
1999	68	36	0.00	0.0
1998	53	25	0.00	0.0
1997	73	45	0.00	0.0
1996	57	30	0.00	0.0
1995	54	42	0.38	0.0
1994	62	41	0.00	0.0
1993	57	44	0.15	0.0
1992	57	28	0.00	0.0
1991	63	42	0.00	0.0
1990	69	39	0.00	0.0
1989	57	40	0.26	0.0
1988	62	29	0.00	0.0
1987	45	30	0.46	0.0
1986	51	31	0.00	0.0
1985	57	33	0.00	0.0
1984	50	26	0.00	0.0
1983	46	33	0.10	0.0
1982	49	31	0.32	0.0
1981	52	24	0.00	0.0
1980	49	33	0.29	0.0
1979	55	29	0.00	0.0
1978	68	37	0.00	0.0
1977	45	20	0.03	0.2
1976	59	39	0.00	0.0
1975	57	41	0.09	0.0
1974	53	32	0.00	0.0
1973	50	23	0.00	0.0
1972	57	44	0.55	0.0
1971	46	22	0.00	0.0
1970	49	27	0.00	0.0
1969	53	36	0.11	0.0
1968	48	27	0.00	0.0
1967	55	39	0.00	0.0
1966	56	32	0.00	0.0
1965	32	8	0.00	0.0
1964	48	31	0.00	0.0
1963	51	32	0.00	0.0
1962	56	28	0.00	0.0
1961	62	32	0.00	0.0
1960	61	29	0.00	0.0
1959	53	34	0.00	0.0
1958	53	30	0.00	0.0
1957	54	31	0.00	0.0
1956	65	33	0.00	0.0
1955	54	29	0.00	0.0
1954	42	18	0.00	0.0
1953	52	34	0.01	0.0
1952	42	30	0.17	0.7
1951	46	21	0.00	0.0
1950	50	29	0.12	0.0
1949	62	42	0.00	0.0
1948	45	32	0.10	0.0
1947	68	36	0.00	0.0
1946	65	38	0.00	0.0
1945	46	30	0.03	0.0
1944	56	28	0.00	0.0
1943	39	20	0.00	0.0
1942	45	27	0.00	0.0
1941	58	38	0.00	0.0
1940	58	28	0.00	0.0
1939	69	34	0.00	0.0
1938	43	31	0.09	0.0
1937	49	29	0.39	n/a
1936	53	27	0.00	0.0
1935	53	23	0.00	0.0
1934	71	32	0.00	n/a
1933	52	25	0.00	0.0
1932	n/a	45	0.54	n/a
1931	65	45	0.55	n/a
1930	62	26	0.00	0.0
1929	60	28	0.00	0.0
1928	65	30	0.00	0.0
1927	49	25	0.06	1.0
1926	58	29	0.00	0.0
1925	57	24	0.00	0.0
1924	51	15	0.00	0.0
1923	52	18	0.00	0.0
1922	50	28	0.00	0.0
1921	56	42	0.08	0.0
1920	51	26	0.00	0.0
1919	55	42	0.11	0.0
1918	60	44	0.21	0.0
1917	40	22	0.00	0.0
1916	66	36	0.00	0.0
1915	62	29	0.00	0.0
1914	65	33	0.00	0.0
1913	48	36	0.26	0.0
1912	50	31	0.00	0.0
1911	63	30	0.00	0.0

What's the all-time high for Boise on 3/18?

For the date of Mar 18, the highest temperature ever reached in Boise history is 73 °F which happened in 1997.

Highest Temperatures in Boise on March 18

Rank	Temperature	Year
1	73 °F	1997
2	72 °F	2004
3	71 °F	1934
4	69 °F	1939
4	69 °F	1990
4	69 °F	2021
7	68 °F	1947
7	68 °F	1978
7	68 °F	1999
10	67 °F	2007

What's the all-time low for Boise on 3/18?

For the date of Mar 18, the lowest temperature ever reached in Boise history is 8 °F which happened in 1965.

Lowest Temperatures in Boise on March 18

Rank	Temperature	Year
1	8 °F	1965
2	15 °F	1924
3	18 °F	1923
3	18 °F	1954
5	20 °F	1977
5	20 °F	1943
5	20 °F	2002
8	21 °F	1951
9	22 °F	1971
9	22 °F	1917

Lowest High Temperatures in Boise on March 18

Rank	Temperature	Year
1	32 °F	1965
2	39 °F	1943
3	40 °F	2002
3	40 °F	1917
5	41 °F	2012
6	42 °F	1952
6	42 °F	1954
8	43 °F	1938
9	45 °F	1942
9	45 °F	1987
9	45 °F	1948
9	45 °F	1977

What's the most it has ever rained in Boise on 3/18?

For the date of Mar 18, the most precipitation ever recorded in Boise history is 0.55 inches which has happened 2 times, most recently in 1972.

All-Time Most Precipitation in Boise on March 18

Rank	Precipitation	Year
1	0.55 inches	1972
1	0.55 inches	1931
3	0.54 inches	1932
4	0.46 inches	1987
5	0.39 inches	1937
6	0.38 inches	1995
7	0.32 inches	1982
8	0.29 inches	1980
9	0.26 inches	1989
9	0.26 inches	1913

All-Time Most Snow in Boise on March 18

Rank	Precipitation	Year
1	1.0 inches	1927
2	0.7 inches	1952
3	0.4 inches	2012
4	0.2 inches	1977

Weather Station Details

Years	Station	Coordinates
1940–2023		location
1911–1939	Meridian 1 W	location