Weather on August 11
Antioch, CA
55 Years of Data
Avg High
90°F
Avg Low
60°F
Warmest
2012
89°F avg
Coldest
2001
67°F avg
About This Date
August 11th in Antioch, CA typically brings hot summer weather, with average highs around 90°F and lows near 60°F — a 30°F daily swing. Over 54 years of records, the warmest August 11th was in 2012 (89°F average), while the coldest was 2001 (67°F) — a 22°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 11th in Antioch, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 72° | 77° | — | — |
| 2024 | 81° | 68° | 74° | — | — |
| 2023 | 80° | 63° | 71° | — | — |
| 2022 | 80° | 62° | 71° | — | — |
| 2021 | 100° | 64° | 82° | — | — |
| 2020 | 87° | 61° | 74° | — | — |
| 2019 | 89° | 61° | 75° | — | — |
| 2018 | 97° | 68° | 82° | — | — |
| 2017 | 84° | 68° | 76° | — | — |
| 2016 | 90° | 67° | 78° | — | — |
| 2015 | 86° | 59° | 73° | — | — |
| 2014 | 89° | 59° | 74° | — | — |
| 2013 | 88° | 57° | 72° | — | — |
| 2012warmest | 99° | 80° | 89° | — | — |
| 2011 | 93° | 59° | 76° | — | — |
| 2010 | 80° | 55° | 68° | — | — |
| 2009 | 80° | 70° | 75° | — | — |
| 2008 | 99° | 60° | 79° | — | — |
| 2007 | 85° | 55° | 70° | — | — |
| 2006 | 91° | 58° | 74° | — | — |
| 2005 | 95° | 61° | 78° | — | — |
| 2004 | 102° | 63° | 82° | — | — |
| 2003 | 89° | 58° | 73° | — | — |
| 2002 | 96° | 58° | 77° | — | — |
| 2001coldest | 78° | 56° | 67° | — | — |
| 2000 | 93° | 57° | 75° | — | — |
| 1999 | 78° | 57° | 68° | — | — |
| 1998 | 96° | 64° | 80° | — | — |
| 1997 | 79° | 59° | 69° | — | — |
| 1996 | 106° | 60° | 83° | — | — |
| 1995 | 82° | 54° | 68° | — | — |
| 1994 | 90° | 57° | 73° | — | — |
| 1992 | 102° | 64° | 83° | — | — |
| 1991 | 94° | 59° | 76° | — | — |
| 1990 | 104° | 66° | 85° | — | — |
| 1989 | 89° | 51° | 70° | — | — |
| 1988 | 87° | 52° | 69° | — | — |
| 1987 | 83° | 54° | 68° | — | — |
| 1986 | 89° | 55° | 72° | — | — |
| 1985 | 88° | 56° | 72° | — | — |
| 1984 | 92° | 61° | 76° | — | — |
| 1983 | 91° | 51° | 71° | — | — |
| 1982 | 86° | 55° | 71° | — | — |
| 1981 | 86° | 56° | 71° | — | — |
| 1980 | 93° | 54° | 73° | — | — |
| 1979 | 92° | 53° | 72° | — | — |
| 1978 | — | 60° | — | — | — |
| 1977 | 88° | 56° | 72° | — | — |
| 1976 | 89° | 53° | 71° | — | — |
| 1975 | 95° | 57° | 76° | — | — |
| 1974 | 81° | 58° | 69° | — | — |
| 1973 | 86° | 59° | 73° | — | — |
| 1972 | 92° | 63° | 77° | — | — |
| 1971 | 99° | 66° | 82° | — | — |
54 years of data from ANTIOCH FIBREBRD MILLS