Weather on November 9
Costa Mesa, CA
55 Years of Data
Avg High
73°F
Avg Low
54°F
Warmest
2016
78°F avg
Coldest
2020
54°F avg
About This Date
November 9th in Costa Mesa, CA typically brings pleasant fall weather, with average highs around 73°F and lows near 54°F. Over 55 years of records, the warmest November 9th was in 2016 (78°F average), while the coldest was 2020 (54°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 9% of November 9th dates historically, with the wettest November 9th recording 1.98" of rain. The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
Planning for November 9th in Costa Mesa, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 59° | 68° | — | — |
| 2024 | 75° | 48° | 62° | — | — |
| 2023 | 83° | 57° | 70° | — | — |
| 2022 | 65° | 54° | 59° | 0.23" | — |
| 2021 | 70° | 60° | 65° | — | — |
| 2020coldest | 62° | 46° | 54° | — | — |
| 2019 | 85° | 56° | 70° | — | — |
| 2018 | 84° | 60° | 72° | — | — |
| 2017 | 72° | 60° | 66° | — | — |
| 2016warmest | 95° | 61° | 78° | — | — |
| 2015 | 67° | 57° | 62° | — | — |
| 2014 | 75° | 63° | 69° | — | — |
| 2013 | 76° | 52° | 64° | — | — |
| 2012 | 65° | 56° | 60° | — | — |
| 2011 | 74° | 44° | 59° | — | — |
| 2010 | 71° | 52° | 61° | — | — |
| 2009 | 73° | 53° | 63° | — | — |
| 2008 | 67° | 56° | 61° | — | — |
| 2007 | 66° | 57° | 62° | — | — |
| 2006 | 72° | 58° | 65° | — | — |
| 2005 | 68° | 61° | 64° | 0.03" | — |
| 2004 | 65° | 55° | 60° | — | — |
| 2003 | 68° | 59° | 64° | — | — |
| 2002 | 66° | 59° | 63° | 0.53" | — |
| 2001 | 68° | 59° | 64° | — | — |
| 2000 | 66° | 52° | 59° | — | — |
| 1999 | 72° | 52° | 62° | — | — |
| 1998 | 69° | 48° | 59° | — | — |
| 1997 | 76° | 52° | 64° | — | — |
| 1996 | — | 55° | — | — | — |
| 1995 | 71° | 56° | 63° | — | — |
| 1994 | 70° | 47° | 58° | — | — |
| 1993 | 72° | 52° | 62° | — | — |
| 1992 | 71° | 58° | 64° | — | — |
| 1991 | 69° | 59° | 64° | — | — |
| 1990 | 90° | 51° | 70° | — | — |
| 1989 | 80° | 48° | 64° | — | — |
| 1988 | 72° | 52° | 62° | — | — |
| 1987 | 79° | 53° | 66° | — | — |
| 1986 | 79° | 48° | 63° | — | — |
| 1985 | 67° | 58° | 62° | — | — |
| 1984 | 71° | 49° | 60° | — | — |
| 1983 | 77° | 50° | 64° | — | — |
| 1982 | 65° | 51° | 58° | 1.98" | — |
| 1981 | 84° | 52° | 68° | — | — |
| 1980 | 69° | 55° | 62° | — | — |
| 1979 | 68° | 51° | 60° | 0.36" | — |
| 1978 | 81° | 59° | 70° | — | — |
| 1977 | 82° | 47° | 64° | — | — |
| 1976 | 80° | 50° | 65° | — | — |
| 1975 | 74° | 48° | 61° | — | — |
| 1974 | 80° | 47° | 63° | — | — |
| 1973 | 70° | 59° | 64° | — | — |
| 1972 | 75° | 45° | 60° | — | — |
| 1971 | 73° | 46° | 60° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP