Boise, ID: 2026

10 October 2026: 2026 so far averaged 59.9°F in Boise, ID, the warmest 1 January to 10 October on record, in 149 years since 1878; provisional.

2026 so far, to 10 October 2026

Mean temperature: 59.9°F; Warmest on record; Warmest of 149, provisional
Precipitation: 7.86 in; Driest since 2022; 51st driest of 149

A normal 1 January to 10 October in Boise, ID (1991 to 2020): a mean temperature of 56.9°F, between 55.6°F and 58.5°F in eight years of ten and 8.24 in of precipitation, between 5.13 in and 12.04 in in eight years of ten.

The mean temperature of every 1 January to 10 October in Boise, ID since 1878: 59.9°F in 2026, the highest of them all.

Normal range, 55.6 to 58.5°F

Every year, ranked, as a table

Every 1 January to 10 October in Boise, ID from 1875 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	59.9	1	72.4	2	47.5	2	7.86	99	0
2025	58.5	8	70.5	10	46.4	7	8.99	69	0
2024	59.3	4	71.5	5	47	3	11.19	22	0
2023	57.9	14	69.6	20	46.3	9	10.53	32	0
2022	57.2	20	69.6	20	44.9	24	6.52	125	0
2021	58.9	5	71.5	5	46.4	7	8.25	87	0
2020	58.2	11	70.3	14	46	14	12.24	12	0
2019	56.7	26	68.2	46	45.2	22	13.09	5	0
2018	58.2	11	70.3	14	46.1	13	8.42	82	0
2017	56.8	24	68.2	46	45.4	20	12.02	14	0
2016	58.5	8	70.5	10	46.5	6	5.22	143	0
2015	59.8	2	71.8	4	47.7	1	6.67	120	0
2014	57.9	14	69.4	25	46.3	9	9.55	53	0
2013	56.3	35	68.6	37	44	35	6.66	121	0
2012	58.8	6	71.3	7	46.3	9	8.91	72	0
2011	56.1	40	67.6	70	44.6	26	9.39	61	0
2010	56.9	21	68.1	51	45.6	16	9.23	66	0
2009	56.9	21	68.1	51	45.6	16	8.10	91	0
2008	55.7	48	67.5	75	43.9	38	6.08	131	0
2007	58.3	10	71	8	45.5	18	5.14	144	0
2006	57.7	16	69.6	20	45.9	15	8.69	76	0
2005	56.5	32	68.4	42	44.5	28	8.40	83	0
2004	56.9	21	68.5	39	45.3	21	7.98	95	0
2003	58.7	7	70.5	10	46.9	4	7.47	106	0
2002	55.8	47	67.8	63	43.8	44	3.75	147	0
2001	56.3	35	68.7	35	44	35	5.02	145	0
2000	57.4	18	69.8	19	45	23	8.13	90	0
1999	55.6	53	67.9	59	43.4	52	6.58	122	0
1998	57.6	17	69.1	29	46.2	12	14.01	3	0
1997	56.6	30	68.7	35	44.6	26	9.38	62	0
1996	55.7	48	67.7	67	43.7	47	8.34	85	0
1995	55.6	53	68.2	46	42.9	69	9.41	59	0
1994	57.3	19	70.8	9	43.7	47	5.37	141	0
1993	52.1	142	63.9	147	40.3	134	11.00	25	0
1992	58	13	72.2	3	43.8	44	4.65	146	0
1991	55	75	68.5	39	41.5	106	6.45	127	0
1990	56.7	26	70.1	17	43.2	58	10.08	45	0
1989	53.5	118	66.7	99	40.4	133	8.75	75	0
1988	55.5	57	69.6	20	41.4	109	7.13	114	0
1987	56.3	35	70.2	16	42.5	81	6.44	128	0
1986	55.7	48	68.5	39	42.8	74	12.86	6	0
1985	51.3	148	64.1	145	38.5	145	7.41	108	0
1984	52.1	142	63.5	150	40.7	125	9.40	60	0
1983	55.1	71	67.1	90	43.2	58	12.30	9	0
1982	51.8	145	64.3	143	39.3	140	9.49	57	0
1981	54.7	84	67.8	63	41.5	106	9.94	48	0
1980	54.3	98	66.7	99	42	88	12.16	13	0
1979	53.7	111	66.7	99	40.6	128	8.53	78	0
1978	55.3	63	67.5	75	43	65	10.17	38	0
1977	53.2	125	65.9	117	40.5	129	7.67	103	0
1976	53.2	125	65.6	124	40.9	121	11.62	16	0
1975	54.3	98	66.2	109	42.3	85	10.14	39	0
1974	55.4	62	68	55	42.8	74	5.80	136	0
1973	55.7	48	68.2	46	43.1	61	6.04	132	0
1972	55.1	71	67.3	80	42.9	69	8.05	92	0
1971	55.6	53	67.3	80	43.9	38	7.36	109	0
1970	55.5	57	67.6	70	43.4	52	10.10	42	0
1969	55.5	57	68.1	51	42.9	69	9.54	54	0
1968	55.3	63	67.9	59	42.7	78	6.82	119	0
1967	56.5	32	69	30	44.1	34	6.00	133	0
1966	55.3	63	68.8	34	41.7	100	3.49	149	0
1965	54	103	66.1	111	41.9	94	10.12	40	0
1964	51.1	149	63.3	151	38.8	144	10.12	40	0
1963	56	43	68.3	44	43.8	44	9.36	63	0
1962	52.9	131	65.2	133	40.5	129	8.05	92	0
1961	56.4	34	69.6	20	43.3	55	5.77	137	0
1960	54.5	91	67.6	70	41.3	112	8.28	86	0
1959	54.6	88	66.8	96	42.4	82	9.00	68	0
1958	56.2	38	67.9	59	44.5	28	11.98	15	0
1957	53.4	121	65.5	127	41.3	112	9.43	58	0
1956	54.4	93	67	93	41.8	96	8.64	77	0
1955	51.4	146	63.6	149	39.3	140	8.16	89	0
1954	54.7	84	67.7	67	41.7	100	5.69	139	0
1953	54.6	88	67.3	80	42	88	11.29	20	0
1952	53.7	111	66.1	111	41.3	112	7.87	98	0
1951	54	103	66.3	108	41.7	100	8.49	80	0
1950	52.9	131	65.2	133	40.7	125	10.10	42	0
1949	53.1	128	66.1	111	40.1	139	5.24	142	0
1948	53.2	125	65.6	124	40.7	125	8.49	80	0
1947	54.8	79	67.6	70	42	88	7.01	116	0
1946	54.4	93	67.2	85	41.6	104	6.43	129	0
1945	54	103	66.1	111	41.8	96	9.07	67	0
1944	52.7	136	65	138	40.5	129	7.36	109	0
1943	54.4	93	67	93	41.8	96	7.72	102	0
1942	52.7	136	65.1	137	40.3	134	8.84	74	0
1941	54.8	79	66.8	96	42.8	74	10.38	36	0
1940	56.7	26	69	30	44.5	28	10.21	37	0
1939	55.9	45	68.3	44	43.6	50	6.30	130	0
1938	56.7	26	67.9	59	45.5	18	12.27	11	0
1937	53.5	118	65.8	120	41.3	112	7.61	104	0
1936	56	43	68	55	43.9	38	8.96	71	0
1935	54.8	79	66.8	96	42.7	78	6.55	123	0
1934	59.7	3	72.5	1	46.8	5	6.54	124	0
1933	53.7	111	65.9	117	41.5	106	5.73	138	0
1932	53.9	106	65.5	127	42.3	85	10.39	35	0
1931	56.2	38	68.6	37	43.9	38	5.87	134	0
1930	54.8	79	66.5	104	43	65	12.82	7	0
1929	52.8	133	64.7	142	40.9	121	7.51	105	0
1928	55.3	63	67.2	85	43.4	52	7.21	112	0
1927	54.2	101	65.5	127	42.8	74	10.76	30	0
1926	56.8	24	69	30	44.5	28	7.06	115	0
1925	56.6	30	68.4	42	44.9	24	10.74	31	0
1924	54.7	84	67.3	80	42	88	3.64	148	0
1923	54.6	88	66.2	109	43	65	10.88	28	0
1922	53.7	111	65.6	124	41.8	96	9.24	65	0
1921	55.2	69	67.2	85	43.1	61	7.76	101	0
1920	53.9	106	65.7	122	42	88	8.23	88	0
1919	55.5	57	68.2	46	42.9	69	6.90	118	0
1918	55.7	48	67.5	75	44	35	10.97	27	0
1917	52.5	139	64.1	145	41	118	10.98	26	0
1916	53.3	123	65.2	133	41.4	109	12.28	10	0
1915	55.3	63	66.7	99	43.9	38	10.51	33	0
1914	56.1	40	67.7	67	44.5	28	7.77	100	0
1913	53.1	128	63.9	147	42.3	85	10.77	29	0
1912	52.3	140	62.9	152	41.7	100	14.65	2	0
1911	53.4	121	64.9	140	41.9	94	12.61	8	0
1910	54.9	76	67.4	78	42.4	82	7.90	96	0
1909	54.9	76	66.4	105	43.3	55	9.56	52	0
1908	54.4	93	65.9	117	42.9	69	8.38	84	0
1907	54.3	98	65.5	127	43.1	61	11.11	24	0
1906	54.4	93	65.8	120	43.1	61	11.25	21	0
1905	55.3	63	67.1	90	43.5	51	7.89	97	0
1904	55.9	45	68	55	43.9	38	11.60	17	0
1903	53.6	116	65.2	133	42	88	7.27	111	0
1902	53.8	109	66.1	111	41.6	104	8.52	79	0
1901	55.1	71	67.6	70	42.6	80	6.94	117	0
1900	55.6	53	68	55	43.2	58	10.03	46	0
1899	53	130	65	138	41	118	9.36	63	0
1898	53.7	111	68.1	51	39.3	140	5.46	140	0
1897	54.1	102	67.3	80	41	118	11.18	23	0
1896	53.8	109	66.4	105	41.1	116	17.07	1	0
1895	52.7	136	67.4	78	38.1	148	6.50	126	0
1894	53.6	116	66.9	95	40.2	137	9.51	55	0
1893	51.4	146	64.3	143	38.4	146	9.83	51	0
1892	52.2	141	66.1	111	38.3	147	10.09	44	0
1891	52.8	133	65.4	132	40.2	137	10.43	34	0
1890	52.8	133	66.4	105	39.2	143	11.57	18	0
1889	54.9	76	69.4	25	40.3	134	7.14	113	0
1888	55.1	71	69.3	28	40.8	123	8.01	94	0
1887	54.7	84	69	30	40.5	129	9.51	55	0
1886	54.5	91	67.8	63	41.1	116	8.88	73	0
1885	55.5	57	67.2	85	43.7	47	8.97	70	0
1884	53.9	106	64.8	141	43	65	14.00	4	0
1883	52.1	142	66.7	99	37.4	149	9.95	47	7
1882	53.3	123	65.7	122	40.8	123	11.37	19	4
1881	54.8	79	67.2	85	42.4	82	9.85	50	0
1880	53.5	118	65.5	127	41.4	109	5.81	135	0
1879	55.2	69	67.1	90	43.3	55	9.89	49	0
1878	56.1	40	67.8	63	44.3	33	7.43	107	2
1877			69.4	25					181
1876			70.5	10					284
1875			70.1	17					283

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2026	59.9
2015	59.8
1934	59.7
2024	59.3
2021	58.9
2012	58.8
2003	58.7
2025	58.5
2016	58.5
2007	58.3

Coldest
Year	Mean, °F
1964	51.1
1985	51.3
1955	51.4
1893	51.4
1982	51.8
1993	52.1
1984	52.1
1883	52.1
1892	52.2
1912	52.3

Wettest
Year	Precipitation, in
1896	17.07
1912	14.65
1998	14.01
1884	14.00
2019	13.09
1986	12.86
1930	12.82
1911	12.61
1983	12.30
1916	12.28

Driest
Year	Precipitation, in
1966	3.49
1924	3.64
2002	3.75
1992	4.65
2001	5.02
2007	5.14
2016	5.22
1949	5.24
1994	5.37
1898	5.46

The hottest, coldest and wettest days

Hottest day: 104°F; 20 July 2026, 11 July 2026
Coldest night: 15°F; 25 January 2026, 24 January 2026
Wettest day: 0.87 in; 22 April 2026

Month by month

Month	Mean temperature	Precipitation
January	33.6°F 40th warmest of 149	0.73 in 20th driest of 149
February	42.5°F 5th warmest of 148	1.16 in 73rd wettest of 149
March	50.4°F 2nd warmest of 149	0.79 in 49th driest of 149
April	51.4°F 51st warmest of 149	3.87 in Wettest of 149
May	63.7°F 8th warmest of 149	0.08 in 9th driest of 149
June	68.2°F 39th warmest of 149	0.70 in 68th wettest of 149
July	81°F 9th warmest of 149	0.17 in 58th wettest of 149
August	78.8°F 2nd warmest of 150	a trace 9th driest of 149
September	65.6°F 39th warmest of 150	0.36 in 71st wettest of 149
October so far	67.6°F Warmest of 150	0.00 in Driest of 149

Hot days and freezes

Boise, ID has had 60 days at 90°F or above in 2026 through 10 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 10 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 10 October, the most by that date since 2025, tied 140th most of 149 (with 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).

Daily records set

Date	Record	Value	Before	Check
12 May	Warmest day	96°F	94°F 1993	Provisional
20 March	Warmest day	83°F	74°F 1877	Provisional
18 March	Warmest day	80°F	74°F 1910	Provisional
3 January	Warmest day	59°F	58°F 1876	Provisional

Daily records set and not listed: 0

Every month, season and year

Months

Seasons

Years

2025
2026

Boise, ID the day's answers

All-time records

Every answer in words

2026 so far brought 7.86 in of precipitation in Boise, ID, the driest 1 January to 10 October since 2022, 51st driest of 149.
The hottest day of 2026 so far in Boise, ID: 104°F on Monday 20 July 2026 and Saturday 11 July 2026.
The coldest night of 2026 so far in Boise, ID: a low of 15°F on Sunday 25 January 2026 and Saturday 24 January 2026.
The wettest day of 2026 so far in Boise, ID: 0.87 in on Wednesday 22 April 2026.