Weather on November 21
Irvine, CA
55 Years of Data
Avg High
73°F
Avg Low
47°F
Warmest
2023
76°F avg
Coldest
1994
50°F avg
About This Date
November 21st in Irvine, CA typically brings pleasant fall weather, with average highs around 73°F and lows near 47°F — a 26°F daily swing. Over 55 years of records, the warmest November 21st was in 2023 (76°F average), while the coldest was 1994 (50°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 18% of November 21st dates historically, with the wettest November 21st recording 3.76" of rain. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for November 21st in Irvine, CA? Great weather for outdoor activities.
Warming Trend
2.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 54° | 60° | — | — |
| 2024 | 80° | 46° | 63° | — | — |
| 2023warmest | 86° | 67° | 76° | — | — |
| 2022 | 78° | 57° | 68° | — | — |
| 2021 | 85° | 50° | 67° | — | — |
| 2020 | 77° | 52° | 64° | — | — |
| 2019 | 66° | 50° | 58° | — | — |
| 2018 | 74° | 51° | 62° | — | — |
| 2017 | 85° | 54° | 69° | — | — |
| 2016 | 76° | 55° | 65° | 2.03" | — |
| 2015 | 87° | 56° | 71° | — | — |
| 2014 | 73° | 57° | 65° | 0.08" | — |
| 2013 | 63° | 48° | 55° | 0.89" | — |
| 2012 | 72° | 46° | 59° | — | — |
| 2011 | 66° | 41° | 54° | — | — |
| 2010 | 61° | 44° | 52° | 1.83" | — |
| 2009 | 73° | 44° | 59° | — | — |
| 2008 | 85° | 52° | 68° | — | — |
| 2007 | 73° | 52° | 62° | — | — |
| 2006 | 77° | 49° | 63° | — | — |
| 2005 | 88° | 63° | 75° | — | — |
| 2004 | 62° | 40° | 51° | 1.12" | — |
| 2003 | 65° | 51° | 58° | — | — |
| 2002 | 90° | 56° | 73° | — | — |
| 2001 | 60° | 48° | 54° | — | — |
| 2000 | 74° | 50° | 62° | — | — |
| 1999 | 73° | 50° | 62° | — | — |
| 1998 | 78° | 42° | 60° | — | — |
| 1997 | 83° | 48° | 65° | — | — |
| 1996 | 68° | 60° | 64° | 3.76" | — |
| 1995 | 71° | 54° | 62° | — | — |
| 1994coldest | 69° | 30° | 50° | — | — |
| 1993 | 72° | 40° | 56° | — | — |
| 1992 | 71° | 43° | 57° | — | — |
| 1991 | 75° | 40° | 57° | — | — |
| 1990 | 67° | 42° | 54° | — | — |
| 1989 | 76° | 45° | 60° | — | — |
| 1988 | 76° | 33° | 54° | — | — |
| 1987 | 70° | 45° | 57° | — | — |
| 1986 | 66° | 56° | 61° | — | — |
| 1985 | 67° | 43° | 55° | — | — |
| 1984 | 61° | 45° | 53° | 0.13" | — |
| 1983 | 64° | 42° | 53° | 0.15" | — |
| 1982 | 63° | — | — | — | — |
| 1981 | 73° | 40° | 56° | — | — |
| 1980 | 75° | 37° | 56° | — | — |
| 1979 | 76° | 28° | 52° | — | — |
| 1978 | 61° | 53° | 57° | 1.14" | — |
| 1977 | 67° | 41° | 54° | — | — |
| 1976 | 76° | 47° | 61° | — | — |
| 1975 | 70° | 36° | 53° | — | — |
| 1974 | 77° | 55° | 66° | — | — |
| 1973 | 65° | 42° | 53° | 0.15" | — |
| 1972 | 70° | 37° | 53° | — | — |
| 1971 | 67° | 36° | 51° | — | — |
55 years of data from IRVINE RCH