Pocatello September 21 Weather Records

Daily averages and all-time records for weather in Pocatello, Idaho for the date of September 21.

September 21 All-Time Records
1939–2024

88 °F

22 °F

42 °F

Highest daily low

53 °F

1.04 inches

Most snow

none

September 21 Average Weather
1991–2020 ¹

Average high

74.4 °F

Average low

40.7 °F

Chance precipitation

18.4%

Chance snow

0.2%

Year	High (°F)	Low (°F)	Precip. (inches)
2023	54	42	0.40
2022	85	43	0.57
2021	71	33	0.00
2020	82	37	0.00
2019	64	44	0.00
2018	78	30	0.00
2017	46	39	1.04
2016	76	53	0.36
2015	85	44	0.00
2014	79	44	0.15
2013	84	43	0.00
2012	82	36	0.00
2011	77	35	0.00
2010	78	35	0.00
2009	65	41	0.00
2008	64	48	0.00
2007	77	41	0.00
2006	60	39	0.35
2005	63	46	0.50
2004	55	31	0.00
2003	75	34	0.00
2002	64	35	0.00
2001	86	38	0.00
2000	64	38	0.00
1999	82	37	0.00
1998	66	37	0.09
1997	61	47	0.79
1996	69	53	0.00
1995	61	27	0.00
1994	75	42	0.00
1993	65	35	0.00
1992	79	42	0.00
1991	69	43	0.00
1990	77	37	0.00
1989	74	41	0.00
1988	69	38	0.00
1987	84	38	0.00
1986	62	32	0.00
1985	66	42	0.00
1984	58	42	0.06
1983	72	22	0.00
1982	77	44	0.00
1981	69	48	0.00
1980	58	40	0.03
1979	88	39	0.00
1978	67	30	0.00
1977	62	41	0.00
1976	78	43	0.00
1975	75	28	0.00
1974	80	36	0.00
1973	66	41	0.00
1972	74	34	0.00
1971	61	28	0.00
1970	54	35	0.00
1969	64	46	0.00
1968	42	34	0.19
1967	88	41	0.00
1966	88	47	0.00
1965	59	37	0.00
1964	66	41	0.00
1963	70	52	0.00
1962	68	50	0.11
1961	47	33	0.01
1960	57	47	0.00
1959	57	42	0.00
1958	81	38	0.00
1957	65	36	0.00
1956	61	43	0.00
1955	60	41	0.00
1954	82	34	0.00
1953	85	35	0.00
1952	81	48	0.00
1951	62	31	0.00
1950	74	40	0.00
1949	76	47	0.00
1948	81	43	0.00
1947	73	36	0.00
1946	68	48	0.00
1945	58	38	0.67
1944	84	37	0.00
1943	80	47	0.00
1942	75	40	0.00
1941	58	35	0.00
1940	69	49	0.05
1939	87	43	0.00

What's the all-time high for Pocatello on 9/21?

For the date of Sep 21, the highest temperature ever reached in Pocatello history is 88 °F which has happened 3 times, most recently in 1979.

Highest Temperatures in Pocatello on September 21

What's the all-time low for Pocatello on 9/21?

For the date of Sep 21, the lowest temperature ever reached in Pocatello history is 22 °F which happened in 1983.

Lowest Temperatures in Pocatello on September 21

Lowest High Temperatures in Pocatello on September 21

What's the most it has ever rained in Pocatello on 9/21?

For the date of Sep 21, the most precipitation ever recorded in Pocatello history is 1.04 inches which happened in 2017.

All-Time Most Precipitation in Pocatello on September 21

Weather Station Details

Years	Station	Coordinates
1939–2024	Pocatello Regional Airport	location