Weather on October 23
Irvine, CA
55 Years of Data
Avg High
80°F
Avg Low
55°F
Warmest
2003
87°F avg
Coldest
1975
58°F avg
About This Date
October 23rd in Irvine, CA typically brings warm fall weather, with average highs around 80°F and lows near 55°F — a 25°F daily swing. Over 55 years of records, the warmest October 23rd was in 2003 (87°F average), while the coldest was 1975 (58°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 9% of October 23rd dates historically, with the wettest October 23rd recording 1.65" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for October 23rd in Irvine, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 55° | 65° | — | — |
| 2024 | 87° | 58° | 72° | — | — |
| 2023 | 70° | 56° | 63° | 0.18" | — |
| 2022 | 75° | 54° | 64° | — | — |
| 2021 | 75° | 60° | 68° | — | — |
| 2020 | 75° | 63° | 69° | — | — |
| 2019 | 94° | 65° | 79° | — | — |
| 2018 | 79° | 61° | 70° | — | — |
| 2017 | 104° | 58° | 81° | — | — |
| 2016 | 76° | 60° | 68° | — | — |
| 2015 | 85° | 66° | 75° | — | — |
| 2014 | 90° | 68° | 79° | — | — |
| 2013 | 73° | 58° | 65° | — | — |
| 2012 | 73° | 52° | 62° | 0.1" | — |
| 2011 | 75° | 52° | 63° | — | — |
| 2010 | 70° | 51° | 60° | — | — |
| 2009 | 90° | 49° | 69° | — | — |
| 2008 | 95° | 78° | 87° | — | — |
| 2007 | 96° | 56° | 76° | — | — |
| 2006 | 90° | 54° | 72° | — | — |
| 2005 | 72° | 53° | 62° | — | — |
| 2004 | 75° | 51° | 63° | — | — |
| 2003warmest | 96° | 79° | 87° | — | — |
| 2002 | 69° | 52° | 60° | — | — |
| 2001 | 84° | 55° | 70° | — | — |
| 2000 | 72° | 53° | 62° | — | — |
| 1999 | 89° | 52° | 70° | — | — |
| 1998 | 88° | 55° | 71° | — | — |
| 1997 | 80° | 62° | 71° | — | — |
| 1996 | 78° | 55° | 67° | — | — |
| 1995 | 82° | 49° | 65° | — | — |
| 1994 | 76° | 46° | 61° | — | — |
| 1993 | 86° | 47° | 66° | — | — |
| 1992 | 89° | 60° | 75° | 0.18" | — |
| 1991 | 73° | 56° | 64° | — | — |
| 1990 | 90° | 46° | 68° | — | — |
| 1989 | 75° | 60° | 68° | — | — |
| 1988 | 73° | 59° | 66° | — | — |
| 1987 | 73° | 60° | 67° | 1.65" | — |
| 1986 | 78° | 51° | 65° | — | — |
| 1985 | 78° | 47° | 62° | — | — |
| 1984 | 79° | 51° | 65° | — | — |
| 1983 | 80° | 53° | 67° | — | — |
| 1982 | 98° | — | — | — | — |
| 1981 | 82° | 52° | 67° | — | — |
| 1980 | 74° | 47° | 60° | — | — |
| 1979 | 78° | 46° | 62° | — | — |
| 1978 | 89° | 50° | 70° | — | — |
| 1977 | 82° | 49° | 65° | — | — |
| 1976 | 75° | 59° | 67° | — | — |
| 1975coldest | 70° | 47° | 58° | — | — |
| 1974 | 73° | 60° | 67° | — | — |
| 1973 | 67° | 55° | 61° | 0.03" | — |
| 1972 | 74° | 48° | 61° | — | — |
| 1971 | 80° | 42° | 61° | — | — |
55 years of data from IRVINE RCH