Great Falls, MT: Fall

9 October 2026: Fall 2026 so far averaged 59°F in Great Falls, MT, the warmest 1 September to 9 October since 2025, tied 20th warmest of 128 (with 2020, 1990 and 1980).

Fall 2026 so far, to 9 October 2026

Mean temperature: 59°F; Warmest since 2025; 20th warmest of 128
Precipitation: 1.00 in; Driest since 2025; 48th driest of 135

A normal 1 September to 9 October in Great Falls, MT (1991 to 2020): a mean temperature of 55.9°F, between 51.8°F and 58.4°F in eight years of ten and 1.65 in of precipitation, between 0.84 in and 2.60 in in eight years of ten.

The mean temperature of every 1 September to 9 October in Great Falls, MT since 1894: 59°F in 2026; the highest is 63.2°F, in 1963.

Normal range, 51.8 to 58.4°F

Every year, ranked, as a table

Every 1 September to 9 October in Great Falls, MT from 1892 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	20	73.3	23	44.7	30	1.00	88	0
2025	60.8	6	76.6	4	44.9	27	0.90	93	0
2024	61.4	4	76.9	3	45.9	13	1.80	61	0
2023	58.6	25	72.6	32	44.6	31	2.98	11	0
2022	60.2	11	75.4	9	45	24	2.62	25	0
2021	59.1	19	75.3	10	42.9	52	0.26	129	0
2020	59	20	75.6	8	42.4	65	0.49	119	0
2019	51.8	114	64.3	110	39.4	118	2.66	22	0
2018	50.9	121	63.1	117	38.6	128	1.85	60	0
2017	53.2	99	65.8	93	40.5	103	2.59	28	0
2016	53.4	95	65.6	95	41.3	83	3.33	10	0
2015	56.2	55	69.9	60	42.5	59	4.94	1	0
2014	56	62	69.4	65	42.5	59	0.84	102	0
2013	58.3	28	71.4	41	45.3	22	0.84	102	0
2012	57.1	48	73.1	26	41.2	89	0.81	105	0
2011	60.6	7	76.2	6	45	24	2.06	46	0
2010	56	62	69.3	66	42.8	54	2.51	32	0
2009	57.4	42	72.3	35	42.5	59	1.29	78	0
2008	54.4	80	68.4	71	40.5	103	1.87	57	0
2007	54.4	80	67.9	73	40.8	98	2.22	40	0
2006	56.7	52	69.2	68	44.2	33	2.36	35	0
2005	53.8	89	66.5	90	41.2	89	2.18	42	0
2004	54.5	78	67.6	75	41.4	82	1.99	50	0
2003	56.2	55	70.6	49	41.8	74	1.13	84	0
2002	54.2	84	67.5	78	40.9	96	1.76	62	0
2001	57.6	39	73.4	21	41.9	73	1.54	66	0
2000	52.9	103	66.7	88	39.2	122	1.36	74	0
1999	50.9	121	64.8	103	37	133	1.86	58	0
1998	60.4	9	74.9	14	45.8	15	1.01	87	0
1997	58.1	33	72.4	34	43.8	38	0.58	113	0
1996	53.7	90	67.6	75	39.9	109	1.48	67	0
1995	53.4	95	67.2	81	39.6	114	1.42	69	0
1994	57.4	42	73.5	19	41.3	83	0.90	93	0
1993	51.6	116	64.4	109	38.8	127	2.55	30	0
1992	55.7	67	69.3	66	42.1	70	1.30	77	0
1991	56.2	55	70.6	49	41.8	74	1.23	80	0
1990	59	20	75	13	42.9	52	0.14	132	0
1989	53.9	87	66.5	90	41.3	83	2.20	41	0
1988	55.4	71	69.1	70	41.8	74	2.33	37	0
1987	57.2	46	72.3	35	42	71	1.31	76	0
1986	51.4	118	60.3	126	42.6	55	2.32	38	0
1985	45.4	128	54.8	129	36	134	4.33	2	0
1984	53.2	99	66.8	86	39.7	112	0.71	110	0
1983	52.3	106	64.8	103	39.8	110	1.93	52	0
1982	51.6	116	63.8	113	39.3	119	2.75	19	0
1981	57.6	39	72	38	43.2	47	0.42	123	0
1980	59	20	72.8	30	45.2	23	0.98	89	0
1979	61.1	5	77.2	2	45	24	0.47	120	0
1978	56.9	51	70.1	58	43.7	41	2.61	26	0
1977	52.9	103	64.8	103	40.9	96	2.73	20	0
1976	59.6	14	73.3	23	45.8	15	0.77	107	0
1975	56.7	52	71	45	42.3	69	1.41	70	0
1974	53.9	87	68.2	72	39.7	112	0.88	98	0
1973	55.3	73	67.2	81	43.4	44	1.71	63	0
1972	54.1	85	67.1	84	41.1	93	0.89	95	0
1971	55	76	67.5	78	42.5	59	0.61	111	0
1970	53	101	65.8	93	40.2	108	1.38	73	0
1969	58.2	31	71.7	39	44.6	31	0.37	124	0
1968	54.3	83	65.5	99	43.1	50	2.97	12	0
1967	60.6	7	74.2	16	47	7	2.56	29	0
1966	61.7	3	75.3	10	48.1	4	0.89	95	0
1965	48.8	127	58.3	128	39.2	122	1.90	54	0
1964	53.6	92	65.6	95	41.5	80	0.28	127	0
1963	63.2	1	76.6	4	49.7	1	1.41	70	0
1962	56	62	69.7	61	42.4	65	0.10	134	0
1961	50.6	123	62.1	122	39.1	125	2.00	49	0
1960	59.6	14	72.1	37	47.1	6	0.44	122	0
1959	52.3	106	62.8	118	41.7	78	2.18	42	0
1958	57.6	39	69.2	68	46	12	0.46	121	0
1957	54.5	78	65.4	100	43.5	42	2.68	21	0
1956	57.8	38	70.9	46	44.8	29	0.50	118	0
1955	55.6	68	67.3	80	43.9	36	0.27	128	0
1954	53.4	95	64.3	110	42.4	65	1.86	58	0
1953	60	12	73.4	21	46.7	8	1.14	82	0
1952	59.2	18	72.9	28	45.5	20	0.24	131	0
1951	53.4	95	64.2	112	42.6	55	2.12	44	0
1950	53.7	90	64.8	103	42.6	55	0.32	126	0
1949	55.3	73	66.8	86	43.9	36	0.97	90	0
1948	58	35	70.3	55	45.8	15	0.72	109	0
1947	56	62	66.1	92	45.9	13	2.85	15	0
1946	53.6	92	63.5	115	43.8	38	2.83	18	0
1945	55.4	71	66.6	89	44.2	33	2.65	23	0
1944	58	35	70.2	56	45.8	15	1.35	75	0
1943	60.3	10	74.9	14	45.8	15	0.61	111	0
1942	58	35	69.6	64	46.4	9	1.14	82	0
1941	49.4	125	59.1	127	39.8	110	3.96	4	0
1940	59.8	13	71.3	42	48.3	2	2.86	14	0
1939					43.2	47	2.29	39	7
1938	63.1	2	77.9	1	48.3	2	1.69	65	0
1937			70.1	58			1.17	81	7
1936	58.3	28	74.1	17	42.5	59	1.25	79	0
1935	58.7	24	76.1	7	41.3	83	0.56	115	0
1934	53.6	92	67.8	74	39.5	116	2.50	33	0
1933	57.4	42	73.5	19	41.3	83	0.89	95	0
1932	56.3	54	73.3	23	39.3	119	0.56	115	0
1931	57.4	42	71.6	40	43.2	47	1.70	64	0
1930	57.2	46	71.1	43	43.3	46	2.39	34	0
1929	51.9	112	65.4	100	38.4	130	1.93	52	0
1928	56.2	55	70.5	52	42	71	0.51	117	0
1927	53	101	65.3	102	40.6	101	0.96	91	0
1926	49	126	60.7	124	37.3	132	3.52	7	0
1925	51	120	62.4	121	39.6	114	3.82	5	0
1924	55.3	73	70.4	54	40.3	107	2.85	15	0
1923	56.2	55	72.8	30	39.5	116	0.87	99	0
1922	59.4	16	75.3	10	43.5	42	0.85	101	0
1921	52	110	65.6	95	38.4	130	1.40	72	0
1920	58.5	26	73	27	44	35	1.05	85	0
1919	55.9	66	72.5	33	39.3	119	0.81	105	0
1918	57.1	48	73.7	18	40.6	101	2.02	48	0
1917	58.1	33	72.9	28	43.4	44	1.90	54	2
1916	51.9	112	64.6	107	39.2	122	2.92	13	0
1915	52.2	108	63.7	114	40.7	100	3.34	9	0
1914	55	76	66.9	85	43.1	50	3.54	6	0
1913	55.6	68	70.8	48	40.4	106	2.61	26	0
1912	50.6	123	60.7	124	40.5	103	2.65	23	0
1911	52.9	103	64.6	107	41.2	89	2.53	31	0
1910	56.2	55	67.6	75	44.9	27	3.46	8	0
1909	58.3	28	70.5	52	46.1	11	2.85	15	1
1908	57	50	70.2	56	43.8	38	4.28	3	0
1907	54	86	65.6	95	42.4	65	0.35	125	0
1906	59.3	17	70.9	46	47.7	5	0.94	92	0
1905	58.5	26	70.6	49	46.4	9	0.25	130	0
1904	56.1	61	69.7	61	42.6	55	0.57	114	0
1903	54.4	80	67.2	81	41.6	79	1.44	68	0
1902	55.5	70	69.7	61	41.2	89	0.76	108	0
1901	52	110	62.5	120	41.5	80	1.89	56	0
1900	51.2	119	61.1	123	41.3	83	1.96	51	0
1899	58.2	31	71.1	43	45.4	21	0.87	99	0
1898	51.8	114	62.6	119	41	94	2.05	47	0
1897					41.8	74	1.04	86	8
1896					40.8	98	2.07	45	17
1895					42.5	59	0.11	133	11
1894	52.2	108	63.5	115	41	94	0.83	104	0
1893					39.1	125	2.35	36	18
1892					38.5	129	0.08	135	22

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1963	63.2
1938	63.1
1966	61.7
2024	61.4
1979	61.1
2025	60.8
2011	60.6
1967	60.6
1998	60.4
1943	60.3

Coldest
Year	Mean, °F
1985	45.4
1965	48.8
1926	49
1941	49.4
1961	50.6
1912	50.6
2018	50.9
1999	50.9
1925	51
1900	51.2

Wettest
Year	Precipitation, in
2015	4.94
1985	4.33
1908	4.28
1941	3.96
1925	3.82
1914	3.54
1926	3.52
1910	3.46
1915	3.34
2016	3.33

Driest
Year	Precipitation, in
1892	0.08
1962	0.10
1895	0.11
1990	0.14
1952	0.24
1905	0.25
2021	0.26
1955	0.27
1964	0.28
1950	0.32

The hottest, coldest and wettest days

Hottest day: 88°F; 25 September 2026
Coldest night: 28°F; 27 September 2026
Wettest day: 0.48 in; 7 September 2026

Every month, season and year

Months

Seasons

Years

Great Falls, MT the day's answers

All-time records

Every answer in words

Fall 2026 so far brought 1.00 in of precipitation in Great Falls, MT, the driest 1 September to 9 October since 2025, 48th driest of 135.
The hottest day of fall 2026 so far in Great Falls, MT: 88°F on Friday 25 September 2026.
The coldest night of fall 2026 so far in Great Falls, MT: a low of 28°F on Sunday 27 September 2026.
The wettest day of fall 2026 so far in Great Falls, MT: 0.48 in on Monday 7 September 2026.