Weather on August 21
Tracy, CA
55 Years of Data
Avg High
90°F
Avg Low
56°F
Warmest
1995
81°F avg
Coldest
1983
64°F avg
About This Date
August 21st in Tracy, CA typically brings hot summer weather, with average highs around 90°F and lows near 56°F — a 34°F daily swing. Over 55 years of records, the warmest August 21st was in 1995 (81°F average), while the coldest was 1983 (64°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 21st dates historically. The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Tracy, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 55° | 75° | — | — |
| 2024 | 93° | 51° | 72° | — | — |
| 2023 | 88° | 68° | 78° | — | — |
| 2022 | 96° | 59° | 78° | — | — |
| 2021 | 87° | 60° | 74° | — | — |
| 2020 | 96° | 67° | 81° | — | — |
| 2019 | 97° | 62° | 79° | — | — |
| 2018 | 96° | 50° | 73° | — | — |
| 2017 | 90° | 63° | 76° | — | — |
| 2016 | 92° | 55° | 73° | — | — |
| 2015 | 88° | 54° | 71° | — | — |
| 2014 | 85° | 55° | 70° | — | — |
| 2013 | 91° | 56° | 73° | — | — |
| 2012 | 94° | 55° | 74° | — | — |
| 2011 | 87° | 57° | 72° | — | — |
| 2010 | 92° | 59° | 75° | — | — |
| 2009 | 88° | 56° | 72° | — | — |
| 2008 | 87° | 63° | 75° | — | — |
| 2007 | 93° | 62° | 78° | — | — |
| 2006 | 89° | 60° | 75° | — | — |
| 2005 | 89° | 53° | 71° | — | — |
| 2004 | 92° | 59° | 75° | — | — |
| 2003 | 73° | 64° | 69° | 0.13" | — |
| 2002 | 87° | 51° | 69° | — | — |
| 2001 | 87° | 51° | 69° | — | — |
| 2000 | 86° | 55° | 71° | — | — |
| 1999 | 91° | 52° | 71° | — | — |
| 1998 | 88° | 57° | 72° | — | — |
| 1997 | 81° | 57° | 69° | — | — |
| 1996 | 93° | 52° | 72° | — | — |
| 1995warmest | 99° | 64° | 81° | — | — |
| 1994 | 93° | 51° | 72° | — | — |
| 1993 | 92° | 54° | 73° | — | — |
| 1992 | 91° | 59° | 75° | — | — |
| 1991 | 89° | 52° | 70° | — | — |
| 1990 | 86° | 56° | 71° | — | — |
| 1989 | 86° | 55° | 71° | — | — |
| 1988 | 89° | 58° | 73° | — | — |
| 1987 | 86° | — | — | — | — |
| 1986 | 96° | 53° | 75° | — | — |
| 1985 | 88° | 45° | 66° | — | — |
| 1984 | 92° | 50° | 71° | — | — |
| 1983coldest | 73° | 56° | 64° | — | — |
| 1982 | 94° | 59° | 76° | — | — |
| 1981 | 87° | 52° | 69° | — | — |
| 1980 | 89° | 56° | 72° | — | — |
| 1979 | 79° | 56° | 67° | — | — |
| 1978 | 89° | 53° | 71° | — | — |
| 1977 | 91° | 55° | 73° | — | — |
| 1976 | 88° | 59° | 73° | — | — |
| 1975 | 88° | 51° | 69° | — | — |
| 1974 | 95° | 59° | 77° | — | — |
| 1973 | 96° | 56° | 76° | — | — |
| 1972 | 91° | 57° | 74° | — | — |
| 1971 | 90° | 54° | 72° | — | — |
55 years of data from TRACY CARBONA