Pocatello August 21 Weather Records

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

August 21 All-Time Records
1939–2024

98 °F

37 °F

57 °F

Highest daily low

67 °F

0.78 inches

Most snow

none

August 21 Average Weather
1991–2020 ¹

Average high

86.9 °F

Average low

49.5 °F

Chance precipitation

14.1%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)
2023	89	62	0.01
2022	91	57	0.00
2021	75	46	0.07
2020	93	46	0.00
2019	96	47	0.00
2018	81	41	0.00
2017	85	54	0.00
2016	92	45	0.00
2015	88	46	0.00
2014	79	56	0.12
2013	85	58	0.02
2012	92	50	0.00
2011	96	56	0.02
2010	95	60	0.00
2009	98	49	0.00
2008	83	52	0.00
2007	81	59	0.00
2006	94	46	0.00
2005	92	47	0.00
2004	87	49	0.00
2003	86	60	0.04
2002	76	54	0.00
2001	86	61	0.00
2000	83	47	0.00
1999	89	51	0.00
1998	94	50	0.00
1997	89	55	0.00
1996	80	50	0.00
1995	88	64	0.00
1994	91	58	0.14
1993	74	54	0.05
1992	91	57	0.00
1991	95	51	0.00
1990	81	42	0.00
1989	83	47	0.00
1988	78	52	0.00
1987	85	56	0.00
1986	82	51	0.00
1985	79	48	0.00
1984	87	39	0.00
1983	78	48	0.78
1982	97	53	0.00
1981	85	55	0.00
1980	86	43	0.00
1979	80	46	0.02
1978	89	50	0.00
1977	91	56	0.00
1976	94	49	0.00
1975	81	58	0.00
1974	80	37	0.00
1973	82	61	0.00
1972	87	52	0.00
1971	92	50	0.00
1970	88	53	0.00
1969	96	50	0.00
1968	57	46	0.45
1967	86	52	0.00
1966	76	37	0.00
1965	71	53	0.04
1964	77	40	0.00
1963	81	51	0.00
1962	90	54	0.00
1961	89	55	0.00
1960	95	57	0.00
1959	80	44	0.00
1958	89	56	0.00
1957	83	63	0.00
1956	90	51	0.00
1955	91	48	0.00
1954	61	45	0.08
1953	88	54	0.00
1952	93	51	0.00
1951	84	53	0.23
1950	90	49	0.00
1949	88	61	0.00
1948	90	43	0.00
1947	83	60	0.03
1946	85	67	0.00
1945	82	44	0.00
1944	90	44	0.00
1943	90	47	0.00
1942	90	57	0.00
1941	78	50	0.00
1940	86	54	0.12
1939	91	57	0.00

What's the all-time high for Pocatello on 8/21?

For the date of Aug 21, the highest temperature ever reached in Pocatello history is 98 °F which happened in 2009.

Highest Temperatures in Pocatello on August 21

What's the all-time low for Pocatello on 8/21?

For the date of Aug 21, the lowest temperature ever reached in Pocatello history is 37 °F which has happened 2 times, most recently in 1974.

Lowest Temperatures in Pocatello on August 21

Lowest High Temperatures in Pocatello on August 21

What's the most it has ever rained in Pocatello on 8/21?

For the date of Aug 21, the most precipitation ever recorded in Pocatello history is 0.78 inches which happened in 1983.

All-Time Most Precipitation in Pocatello on August 21

Weather Station Details

Years	Station	Coordinates
1939–2024	Pocatello Regional Airport	location