Weather on November 18
Costa Mesa, CA
55 Years of Data
Avg High
72°F
Avg Low
51°F
Warmest
2019
74°F avg
Coldest
1971
54°F avg
About This Date
November 18th in Costa Mesa, CA typically brings pleasant fall weather, with average highs around 72°F and lows near 51°F. Over 55 years of records, the warmest November 18th was in 2019 (74°F average), while the coldest was 1971 (54°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 13% of November 18th dates historically, with the wettest November 18th recording 1.68" of rain. 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 November 18th in Costa Mesa, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 51° | 57° | 0.18" | — |
| 2024 | 65° | 49° | 57° | — | — |
| 2023 | 71° | 61° | 66° | 0.05" | — |
| 2022 | 69° | 50° | 60° | — | — |
| 2021 | 69° | 55° | 62° | — | — |
| 2020 | 67° | 54° | 60° | — | — |
| 2019warmest | 92° | 57° | 74° | — | — |
| 2018 | 73° | 54° | 63° | — | — |
| 2017 | 75° | 56° | 65° | — | — |
| 2016 | 76° | 50° | 63° | — | — |
| 2015 | 73° | 48° | 61° | — | — |
| 2014 | 78° | 52° | 65° | — | — |
| 2013 | 69° | 53° | 61° | — | — |
| 2012 | 71° | 58° | 64° | — | — |
| 2011 | 62° | 56° | 59° | — | — |
| 2010 | 74° | 59° | 66° | — | — |
| 2009 | 67° | 48° | 57° | — | — |
| 2008 | 84° | 54° | 69° | — | — |
| 2007 | 65° | 56° | 60° | — | — |
| 2006 | 79° | 56° | 67° | 0.03" | — |
| 2005 | 90° | 56° | 73° | — | — |
| 2004 | 72° | 51° | 61° | — | — |
| 2003 | 75° | 49° | 62° | — | — |
| 2002 | 83° | 47° | 65° | — | — |
| 2001 | 70° | 50° | 60° | — | — |
| 2000 | 71° | 42° | 57° | — | — |
| 1999 | 66° | 50° | 58° | — | — |
| 1998 | 69° | 49° | 59° | — | — |
| 1997 | 77° | 48° | 63° | — | — |
| 1996 | 72° | 52° | 62° | — | — |
| 1995 | 70° | 54° | 62° | — | — |
| 1994 | 60° | 49° | 54° | — | — |
| 1993 | 72° | 46° | 59° | — | — |
| 1992 | 71° | 53° | 62° | — | — |
| 1991 | 72° | 51° | 61° | — | — |
| 1990 | 71° | 52° | 61° | — | — |
| 1989 | 87° | 51° | 69° | — | — |
| 1988 | 69° | 46° | 58° | — | — |
| 1987 | 80° | 52° | 66° | 0.13" | — |
| 1986 | 72° | 61° | 66° | — | — |
| 1985 | 66° | 47° | 56° | — | — |
| 1984 | 65° | 51° | 58° | 0.03" | — |
| 1983 | 72° | 56° | 64° | 0.05" | — |
| 1982 | 68° | 51° | 60° | — | — |
| 1981 | 76° | 50° | 63° | — | — |
| 1980 | 75° | 45° | 60° | — | — |
| 1979 | 71° | 52° | 61° | — | — |
| 1978 | 74° | 46° | 60° | — | — |
| 1977 | 73° | 57° | 65° | — | — |
| 1976 | 81° | 50° | 65° | — | — |
| 1975 | 65° | 50° | 57° | — | — |
| 1974 | 66° | 49° | 57° | — | — |
| 1973 | 63° | 52° | 57° | 1.68" | — |
| 1972 | 65° | 44° | 54° | — | — |
| 1971coldest | 64° | 45° | 54° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP