Boise, ID

3 October 2026: 2026 so far averaged 59.7°F in Boise, ID, tying the record for the warmest 1 January to 3 October, set in 1934, in 149 years since 1878; provisional.

Saturday 3 October 2026

Saturday 3 October 2026: a high of 85°F in Boise, ID, the warmest 3 October since 2010, 8th warmest of 152.
Saturday 3 October 2026: a low of 52°F in Boise, ID, the warmest 3 October night since 2025, tied 14th warmest of 150 (with 2025, 2023, 1948 and 2 other years).
No measurable precipitation in Boise, ID for 15 days to Saturday 3 October 2026.

Every year on this date

Every 3 October high in Boise, ID since 1875: 85°F in 2026; the highest is 91°F, in 1963.

Every 3 October low in Boise, ID since 1877: 52°F in 2026; the lowest is 28°F, in 1877.

Above the normal range
In it
Below it
Normal range
This year and the extreme

Every year as a table

Year	High, °F	Low, °F
2026	85	52
2025	61	52
2024	73	40
2023	65	52
2022	77	51
2021	83	47
2020	83	53
2019	61	41
2018	73	53
2017	61	36
2016	63	44
2015	68	48
2014	72	45
2013	57	40
2012	65	43
2011	84	58
2010	88	62
2009	52	41
2008	77	53
2007	61	44
2006	78	45
2005	58	43
2004	79	51
2003	79	58
2002	61	40
2001	77	46
2000	65	36
1999	73	39
1998	61	40
1997	76	45
1996	80	51
1995	60	43
1994	54	31
1993	84	49
1992	63	47
1991	73	39
1990	62	35
1989	57	43
1988	86	48
1987	83	46
1986	63	32
1985	69	43
1984	77	42
1983	65	41
1982	63	47
1981	57	32
1980	80	47
1979	76	34
1978	72	38
1977	64	35
1976	59	40
1975	83	55
1974	67	44
1973	60	29
1972	77	48
1971	68	42
1970	82	48
1969	57	33
1968	76	42
1967	61	44
1966	61	32
1965	80	49
1964	69	40
1963	91	67
1962	71	49
1961	72	40
1960	80	45
1959	67	37
1958	78	47
1957	53	37
1956	78	46
1955	79	44
1954	68	35
1953	69	34
1952	80	48
1951	56	42
1950	80	40
1949	68	36
1948	80	52
1947	77	60
1946	57	42
1945	82	47
1944	78	44
1943	83	57
1942	70	46
1941	66	33
1940	55	39
1939	63	45
1938	67	52
1937	61	42
1936	74	48
1935	80	56
1934	64	36
1933	79	41
1932	80	48
1931	62	46
1930	70	50
1929	75	42
1928	56	43
1927	71	49
1926	62	44
1925	70	38
1924	60	41
1923	75	54
1922	78	47
1921	78	46
1920	77	47
1919	60	34
1918	69	51
1917	78	47
1916	48	32
1915	63	48
1914	52	39
1913	64	42
1912	80	42
1911	62	37
1910	62	42
1909	69	44
1908	59	43
1907	63	33
1906	65	45
1905	78	50
1904	82	56
1903	57	44
1902	75	40
1901	72	52
1900	57	43
1899	65	33
1898	52	41
1897	67	33
1896	65	45
1895	70	46
1894	72	43
1893	62	36
1892	87	45
1891	63	35
1890	52	29
1889	75	40
1888	79	50
1887	86	44
1886	78	42
1885	78	48
1884	55	39
1883	58	43
1882	50	38
1881	71	38
1880	79	42
1879	80	49
1878	59	33
1877	58	28
1876	88
1875	86

The 20 warmest 3 October highs in Boise, ID since 1875.
Rank	Year	Value
1	1963	91°F
2	2010	88°F
2	1876	88°F
4	1892	87°F
5	1988	86°F
5	1887	86°F
5	1875	86°F
8	2026	85°F
9	2011	84°F
9	1993	84°F
11	2021	83°F
11	2020	83°F
11	1987	83°F
11	1975	83°F
11	1943	83°F
16	1970	82°F
16	1945	82°F
16	1904	82°F
19	1996	80°F
19	1980	80°F

The 20 coldest 3 October lows in Boise, ID since 1877.
Rank	Year	Value
1	1877	28°F
2	1973	29°F
2	1890	29°F
4	1994	31°F
5	1986	32°F
5	1981	32°F
5	1966	32°F
5	1916	32°F
9	1969	33°F
9	1941	33°F
9	1907	33°F
9	1899	33°F
9	1897	33°F
9	1878	33°F
15	1979	34°F
15	1953	34°F
15	1919	34°F
18	1990	35°F
18	1977	35°F
18	1954	35°F

The 20 wettest 3 October days in Boise, ID since 1878.
Rank	Year	Value
1	1901	1.08 in
2	1883	0.56 in
3	2025	0.51 in
4	1910	0.43 in
5	1918	0.40 in
6	1914	0.31 in
7	1924	0.24 in
8	1951	0.20 in
9	1995	0.15 in
10	1882	0.13 in
11	2023	0.09 in
12	2009	0.07 in
12	1928	0.07 in
14	1906	0.06 in
15	2008	0.04 in
15	1915	0.04 in
17	2005	0.03 in
17	1957	0.03 in
19	1994	0.02 in
19	1990	0.02 in

This month, season and year so far

October 2026 so far averaged 66.8°F in Boise, ID, the warmest 1 to 3 October since 2020, 14th warmest of 150.
October 2026 so far brought 0.00 in of precipitation in Boise, ID, tying the record for the driest 1 to 3 October, set in 2024, 2022, 2021 and 66 other years, in 149 years since 1878; provisional.
Fall 2026 so far averaged 65.7°F in Boise, ID, the warmest 1 September to 3 October since 2025, tied 28th warmest of 150 (with 1975 and 1917).
Fall 2026 so far brought 0.36 in of precipitation in Boise, ID, the driest 1 September to 3 October since 2024, tied 65th driest of 149 (with 1981).
2026 so far brought 7.86 in of precipitation in Boise, ID, the driest 1 January to 3 October since 2022, 59th driest of 149.
The 30 days to Saturday 3 October 2026 brought 0.24 in of precipitation in Boise, ID, the driest 30 days to 3 October since 2024, tied 54th driest of 149 (with 2022, 1988 and 1878).
The 60 days to Saturday 3 October 2026 brought 0.36 in of precipitation in Boise, ID, the driest 60 days to 3 October since 2024, tied 45th driest of 149 (with 2003 and 1948).
The 90 days to Saturday 3 October 2026 brought 0.53 in of precipitation in Boise, ID, the driest 90 days to 3 October since 2024, tied 44th driest of 149 (with 2002 and 1891).

Daily highs and lows in Boise, ID, 1 to 3 October 2026, with each date's record range and its 1991 to 2020 normal range.

High
Low
Normal range
Record range

Every day as a table

Day	High, °F	Low, °F	Record high	Record high year	Record low	Record low year	Normal high	Normal low
1 October 2026	81	50	94	1997	28	1898	76.5	50
2 October 2026	81	52	91	1876	24	1891	72	46.5
3 October 2026	85	52	91	1963	28	1877	70	44.5

Every year's 1 to 3 October in Boise, ID, ranked by its mean temperature: October 2026 so far is the 14th warmest of 150.

Above the normal range
Above the normal
Below the normal
Below the normal range
Normal range

Every year, ranked, as a table

Rank	Year	Mean, °F
1	2010	74.2
2	2011	72.3
3	1963	71.8
4	2003	70.3
5	2008	69.7
6	1943	69
7	1992	68.2
8	1997	67.8
8	1904	67.8
10	2020	67.7
11	1988	67.2
11	1975	67.2
13	1935	67
14	2026	66.8
15	2001	66
16	1932	65.2
17	1922	65
18	2004	64.8
19	2015	64.7
19	1945	64.7
19	1923	64.7
22	1996	64.5
22	1965	64.5
24	1987	64.3
24	1952	64.3
26	1938	64
26	1901	64
26	1892	64
29	1947	63.7
30	1993	63.5
30	1906	63.5
32	2018	63.3
32	1888	63.3
34	1970	63.2
35	1879	63
36	1896	62.8
37	1962	62.5
37	1948	62.5
39	1917	62.2
40	2022	62
40	2021	62
40	1936	62
40	1885	62
44	2006	61.8
45	2012	61.7
46	1960	61.5
46	1918	61.5
48	2025	61.3
48	1889	61.3
48	1887	61.3
51	1991	61.2
52	1980	61
52	1974	61
52	1972	61
52	1880	61
56	1886	60.3
57	2024	60
57	1979	60
59	1905	59.7
60	1931	59.5
61	1956	59.3
61	1955	59.3
61	1895	59.3
64	1998	59
65	1984	58.8
65	1958	58.8
67	1968	58.7
68	1929	58.2
69	1934	57.8
69	1920	57.8
71	1990	57.5
71	1937	57.5
73	2016	57.3
73	1930	57.3
73	1915	57.3
76	1976	57
76	1933	57
76	1913	57
79	2000	56.5
80	1921	56.3
81	2014	55.7
81	1999	55.7
81	1982	55.7
84	1944	55.3
84	1912	55.3
86	1942	54.8
87	2023	54.7
88	1964	54.5
88	1951	54.5
88	1914	54.5
91	1902	54.3
92	1985	53.8
92	1978	53.8
92	1883	53.8
95	1928	53.7
95	1926	53.7
97	2005	53.5
97	1939	53.5
97	1910	53.5
100	1983	53.3
100	1909	53.3
102	1961	53.2
102	1925	53.2
104	1994	53
104	1967	53
104	1966	53
104	1949	53
108	2007	52.7
108	1924	52.7
108	1894	52.7
111	1953	52.3
112	1957	52.2
113	1927	52
114	1941	51.7
115	1989	51.5
115	1954	51.5
115	1950	51.5
115	1908	51.5
119	1995	51.2
120	1981	51
120	1946	51
120	1940	51
120	1903	51
120	1881	51
125	1897	50.8
126	1971	50.2
126	1911	50.2
126	1900	50.2
129	1977	50
130	1878	49.5
131	1884	49.3
132	2013	49
132	2002	49
134	1907	48.8
134	1893	48.8
136	2017	48.7
136	1973	48.7
138	2019	48.5
138	1969	48.5
140	1986	48.2
141	1919	48
142	1890	47.8
143	1882	47.7
143	1877	47.7
145	2009	47.3
145	1899	47.3
147	1959	46.5
148	1916	45.2
149	1898	44
149	1891	44

This year so far

Boise, ID has had 60 days at 90°F or above in 2026 through 3 October, the most by that date since 2025, tied 19th most of 152 (with 2025 and 2008).
Boise, ID has had 14 days at 100°F or above in 2026 through 3 October, the most by that date since 2024, tied 9th most of 152 (with 2018, 2015, 2013 and 2 other years).
Boise, ID has had 48 freezing nights (a low of 32°F or below) in 2026 through 3 October, the most by that date since 2025, tied 139th most of 149 (with 1909 and 1879).
The last freeze of spring 2026 in Boise, ID came on Friday 17 April 2026, the latest since 2024, tied 125th latest of 149 (with 2018).

Records of the coming dates

Boise, ID on 5 October: record high 86°F (1904), record low 24°F (1974).
Boise, ID on 6 October: record high 87°F (1988), record low 26°F (1941).

The station

Daily records for Boise, ID run from 1875 to 3 October 2026, with 48 days missing; current station BOISE AIR TERMINAL.

Our calculation from NOAA records for Boise, ID, 1875 to 2026. Preliminary until NOAA's final data.

All-time records

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