Weather on February 21
Costa Mesa, CA
55 Years of Data
Avg High
70°F
Avg Low
49°F
Warmest
1981
72°F avg
Coldest
2019
49°F avg
About This Date
February 21st in Costa Mesa, CA typically brings pleasant winter weather, with average highs around 70°F and lows near 49°F. Over 56 years of records, the warmest February 21st was in 1981 (72°F average), while the coldest was 2019 (49°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 21% of February 21st dates historically, with the wettest February 21st recording 4.47" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for February 21st in Costa Mesa, CA? Great weather for outdoor activities.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 70° | 43° | 56° | — | — |
| 2025 | 70° | 53° | 61° | — | — |
| 2024 | 65° | 56° | 60° | 0.61" | — |
| 2023 | 63° | 51° | 57° | 0.03" | — |
| 2022 | 62° | 57° | 60° | — | — |
| 2021 | 78° | 50° | 64° | — | — |
| 2020 | 75° | 55° | 65° | — | — |
| 2019coldest | 56° | 43° | 49° | 0.08" | — |
| 2018 | 61° | 45° | 53° | — | — |
| 2017 | 69° | 59° | 64° | — | — |
| 2016 | 69° | 48° | 59° | — | — |
| 2015 | 70° | 62° | 66° | — | — |
| 2014 | 75° | 55° | 65° | — | — |
| 2013 | 61° | 47° | 54° | — | — |
| 2012 | 74° | 44° | 59° | — | — |
| 2011 | 59° | 43° | 51° | — | — |
| 2010 | 63° | 51° | 57° | 0.05" | — |
| 2009 | 69° | 49° | 59° | — | — |
| 2008 | 61° | 51° | 56° | 0.48" | — |
| 2007 | 65° | 48° | 56° | — | — |
| 2006 | 62° | 43° | 52° | — | — |
| 2005 | 63° | 54° | 58° | 4.47" | — |
| 2004 | 56° | 51° | 53° | 0.23" | — |
| 2003 | 67° | 48° | 57° | — | — |
| 2002 | 89° | 49° | 69° | — | — |
| 2001 | 65° | 47° | 56° | — | — |
| 2000 | 57° | 49° | 53° | 2.03" | — |
| 1999 | 65° | 48° | 56° | — | — |
| 1998 | 64° | 46° | 55° | — | — |
| 1997 | 76° | 46° | 61° | — | — |
| 1996 | 61° | 57° | 59° | 3.3" | — |
| 1995 | 87° | 57° | 72° | 1.02" | — |
| 1994 | 62° | 44° | 53° | — | — |
| 1993 | 62° | 46° | 54° | — | — |
| 1992 | 72° | 58° | 65° | — | — |
| 1991 | 82° | 48° | 65° | — | — |
| 1990 | 71° | 43° | 57° | — | — |
| 1989 | 82° | 46° | 64° | — | — |
| 1988 | 80° | 47° | 63° | — | — |
| 1987 | 69° | 41° | 55° | — | — |
| 1986 | 74° | 47° | 60° | — | — |
| 1985 | 73° | 45° | 59° | — | — |
| 1984 | 74° | 45° | 59° | — | — |
| 1983 | 77° | 47° | 62° | — | — |
| 1982 | 84° | 52° | 68° | — | — |
| 1981warmest | 81° | 64° | 72° | — | — |
| 1980 | 67° | 55° | 61° | 1.96" | — |
| 1979 | 61° | 49° | 55° | 0.05" | — |
| 1978 | 77° | 49° | 63° | — | — |
| 1977 | 72° | 46° | 59° | — | — |
| 1976 | 80° | 41° | 61° | — | — |
| 1975 | 66° | 45° | 55° | — | — |
| 1974 | 71° | 42° | 57° | — | — |
| 1973 | 76° | 56° | 66° | — | — |
| 1972 | 66° | 48° | 57° | — | — |
| 1971 | 67° | 40° | 53° | — | — |
56 years of data from SANTA ANA JOHN WAYNE AP