Weather on August 21
Sacramento, CA
55 Years of Data
Avg High
89°F
Avg Low
58°F
Warmest
2025
82°F avg
Coldest
2018
65°F avg
About This Date
August 21st in Sacramento, CA typically brings warm summer weather, with average highs around 89°F and lows near 58°F — a 31°F daily swing. Over 55 years of records, the warmest August 21st was in 2025 (82°F average), while the coldest was 2018 (65°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 21st dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 21st in Sacramento, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 102° | 63° | 82° | — | — |
| 2024 | 89° | 62° | 76° | — | — |
| 2023 | 82° | 67° | 74° | — | — |
| 2022 | 91° | 62° | 77° | — | — |
| 2021 | 76° | 58° | 67° | — | — |
| 2020 | 92° | 62° | 77° | — | — |
| 2019 | 96° | 58° | 77° | — | — |
| 2018coldest | 76° | 55° | 65° | — | — |
| 2017 | 82° | 62° | 72° | — | — |
| 2016 | 88° | 57° | 72° | — | — |
| 2015 | 87° | 59° | 73° | — | — |
| 2014 | 89° | 59° | 74° | — | — |
| 2013 | 89° | 60° | 75° | — | — |
| 2012 | 90° | 58° | 74° | — | — |
| 2011 | 85° | 56° | 70° | — | — |
| 2010 | 78° | 54° | 66° | — | — |
| 2009 | 100° | 56° | 78° | — | — |
| 2008 | 89° | 65° | 77° | — | — |
| 2007 | 99° | 63° | 81° | — | — |
| 2006 | 91° | 54° | 72° | — | — |
| 2005 | 92° | 57° | 74° | — | — |
| 2004 | 88° | 59° | 73° | — | — |
| 2003 | 82° | 64° | 73° | 0.48" | — |
| 2002 | 88° | 54° | 71° | — | — |
| 2001 | 82° | 53° | 68° | — | — |
| 2000 | 90° | 57° | 73° | — | — |
| 1999 | 96° | 56° | 76° | — | — |
| 1998 | 88° | 54° | 71° | — | — |
| 1997 | 94° | 60° | 77° | — | — |
| 1996 | 95° | 57° | 76° | — | — |
| 1995 | 95° | 60° | 78° | — | — |
| 1994 | 87° | 57° | 72° | — | — |
| 1993 | 94° | 57° | 75° | — | — |
| 1992 | 90° | 58° | 74° | — | — |
| 1991 | 91° | 54° | 72° | — | — |
| 1990 | 90° | 58° | 74° | — | — |
| 1989 | 82° | 57° | 70° | — | — |
| 1988 | 88° | 60° | 74° | — | — |
| 1987 | 86° | 55° | 71° | — | — |
| 1986 | 93° | 55° | 74° | — | — |
| 1985 | 88° | 56° | 72° | — | — |
| 1984 | 89° | 55° | 72° | — | — |
| 1983 | 84° | 61° | 72° | — | — |
| 1982 | 98° | 57° | 78° | — | — |
| 1981 | 92° | 55° | 73° | — | — |
| 1980 | 90° | 55° | 72° | — | — |
| 1979 | 82° | 56° | 69° | — | — |
| 1978 | 85° | 55° | 70° | — | — |
| 1977 | 94° | 56° | 75° | — | — |
| 1976 | 87° | 62° | 75° | — | — |
| 1975 | 92° | 65° | 78° | — | — |
| 1974 | 95° | 57° | 76° | — | — |
| 1973 | 90° | 58° | 74° | — | — |
| 1972 | 95° | 59° | 77° | — | — |
| 1971 | 90° | 58° | 74° | — | — |
55 years of data from SACRAMENTO AP ASOS