Weather on February 18
Costa Mesa, CA
55 Years of Data
Avg High
68°F
Avg Low
49°F
Warmest
1981
68°F avg
Coldest
2019
48°F avg
About This Date
February 18th in Costa Mesa, CA typically brings mild winter weather, with average highs around 68°F and lows near 49°F. Over 56 years of records, the warmest February 18th was in 1981 (68°F average), while the coldest was 2019 (48°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 23% of February 18th dates historically, with the wettest February 18th recording 6.22" 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 February 18th in Costa Mesa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 59° | 51° | 55° | 0.2" | — |
| 2025 | 65° | 53° | 59° | — | — |
| 2024 | 67° | 55° | 61° | — | — |
| 2023 | 67° | 46° | 56° | — | — |
| 2022 | 70° | 47° | 58° | — | — |
| 2021 | 71° | 52° | 61° | — | — |
| 2020 | 69° | 53° | 61° | — | — |
| 2019coldest | 57° | 39° | 48° | 0.05" | — |
| 2018 | 68° | 49° | 58° | — | — |
| 2017 | 58° | 53° | 55° | 0.38" | — |
| 2016 | 68° | 56° | 62° | 0.76" | — |
| 2015 | 72° | 57° | 64° | — | — |
| 2014 | 66° | 56° | 61° | — | — |
| 2013 | 62° | 53° | 58° | — | — |
| 2012 | 64° | 46° | 55° | — | — |
| 2011 | 64° | 50° | 57° | 0.56" | — |
| 2010 | 65° | 50° | 57° | — | — |
| 2009 | 67° | 45° | 56° | — | — |
| 2008 | 62° | 48° | 55° | — | — |
| 2007 | 73° | 55° | 64° | 0.15" | — |
| 2006 | 61° | 45° | 53° | 0.03" | — |
| 2005 | 64° | 56° | 60° | 0.71" | — |
| 2004 | 59° | 49° | 54° | 0.84" | — |
| 2003 | 66° | 52° | 59° | — | — |
| 2002 | 61° | 45° | 53° | — | — |
| 2001 | 63° | 51° | 57° | — | — |
| 2000 | 70° | 46° | 58° | — | — |
| 1999 | 58° | 53° | 55° | — | — |
| 1998 | 66° | 42° | 54° | — | — |
| 1997 | 78° | 45° | 61° | — | — |
| 1996 | 69° | 57° | 63° | — | — |
| 1995 | 83° | 49° | 66° | — | — |
| 1994 | 61° | 46° | 53° | 0.05" | — |
| 1993 | 68° | 56° | 62° | 1.35" | — |
| 1992 | 70° | 46° | 58° | — | — |
| 1991 | 74° | 48° | 61° | — | — |
| 1990 | 59° | 47° | 53° | 0.74" | — |
| 1989 | 64° | 47° | 55° | — | — |
| 1988 | 70° | 47° | 58° | — | — |
| 1987 | 71° | 43° | 57° | — | — |
| 1986 | 70° | 56° | 63° | — | — |
| 1985 | 69° | 53° | 61° | — | — |
| 1984 | 73° | 40° | 56° | — | — |
| 1983 | 70° | 54° | 62° | — | — |
| 1982 | 80° | 49° | 64° | — | — |
| 1981warmest | 84° | 52° | 68° | — | — |
| 1980 | 68° | 57° | 63° | 6.22" | — |
| 1979 | 70° | 45° | 57° | — | — |
| 1978 | 74° | 44° | 59° | — | — |
| 1977 | 75° | 48° | 62° | — | — |
| 1976 | 70° | 45° | 57° | — | — |
| 1975 | 67° | 38° | 52° | — | — |
| 1974 | 64° | 46° | 55° | — | — |
| 1973 | 72° | 44° | 58° | — | — |
| 1972 | 68° | 50° | 59° | — | — |
| 1971 | 65° | 48° | 56° | — | — |
56 years of data from SANTA ANA JOHN WAYNE AP