Weather on August 23
Irvine, CA
55 Years of Data
Avg High
87°F
Avg Low
60°F
Warmest
2020
82°F avg
Coldest
1987
66°F avg
About This Date
August 23rd in Irvine, CA typically brings warm summer weather, with average highs around 87°F and lows near 60°F — a 27°F daily swing. Over 55 years of records, the warmest August 23rd was in 2020 (82°F average), while the coldest was 1987 (66°F) — a 16°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 23rd in Irvine, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 66° | 80° | — | — |
| 2024 | 86° | 60° | 73° | — | — |
| 2023 | 84° | 59° | 72° | — | — |
| 2022 | 87° | 64° | 76° | — | — |
| 2021 | 81° | 59° | 70° | — | — |
| 2020warmest | 94° | 70° | 82° | — | — |
| 2019 | 86° | 63° | 74° | — | — |
| 2018 | 89° | 67° | 78° | — | — |
| 2017 | 85° | 62° | 73° | — | — |
| 2016 | 89° | 65° | 77° | — | — |
| 2015 | 87° | 62° | 75° | — | — |
| 2014 | 89° | 60° | 75° | — | — |
| 2013 | 93° | 55° | 74° | — | — |
| 2012 | 88° | 65° | 76° | — | — |
| 2011 | 93° | 55° | 74° | — | — |
| 2010 | 99° | 55° | 77° | — | — |
| 2009 | 89° | 61° | 75° | — | — |
| 2008 | 90° | 61° | 75° | — | — |
| 2007 | 85° | 65° | 75° | — | — |
| 2006 | 98° | 60° | 79° | — | — |
| 2005 | 88° | 59° | 73° | — | — |
| 2004 | 83° | 64° | 73° | — | — |
| 2003 | 88° | 59° | 73° | — | — |
| 2002 | 83° | 55° | 69° | — | — |
| 2001 | 84° | 62° | 73° | — | — |
| 2000 | 82° | 65° | 73° | — | — |
| 1999 | 92° | 60° | 76° | — | — |
| 1998 | 98° | 64° | 81° | — | — |
| 1997 | 100° | 62° | 81° | — | — |
| 1996 | 95° | 60° | 78° | — | — |
| 1995 | 91° | 66° | 79° | — | — |
| 1994 | 87° | 60° | 74° | — | — |
| 1993 | 84° | 56° | 70° | — | — |
| 1992 | 89° | 54° | 71° | — | — |
| 1991 | 90° | 62° | 76° | — | — |
| 1990 | 78° | 59° | 69° | — | — |
| 1989 | 79° | 56° | 67° | — | — |
| 1988 | 87° | 61° | 74° | — | — |
| 1987coldest | 80° | 51° | 66° | — | — |
| 1986 | 85° | 58° | 71° | — | — |
| 1985 | 95° | 53° | 74° | — | — |
| 1984 | 86° | 68° | 77° | — | — |
| 1983 | 81° | 60° | 70° | — | — |
| 1982 | 79° | 56° | 67° | — | — |
| 1981 | 89° | — | — | — | — |
| 1980 | 82° | 58° | 70° | — | — |
| 1979 | 91° | 49° | 70° | — | — |
| 1978 | 81° | 55° | 68° | — | — |
| 1977 | 82° | 64° | 73° | — | — |
| 1976 | 84° | 53° | 69° | — | — |
| 1975 | 82° | 53° | 68° | — | — |
| 1974 | 80° | 59° | 70° | — | — |
| 1973 | 84° | 50° | 67° | — | — |
| 1972 | 95° | 57° | 76° | — | — |
| 1971 | 84° | 64° | 74° | — | — |
55 years of data from IRVINE RCH