Weather on April 30
Costa Mesa, CA
55 Years of Data
Avg High
73°F
Avg Low
56°F
Warmest
2014
79°F avg
Coldest
1973
56°F avg
About This Date
April 30th in Costa Mesa, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 56°F. Over 55 years of records, the warmest April 30th was in 2014 (79°F average), while the coldest was 1973 (56°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 2% of April 30th dates historically. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for April 30th in Costa Mesa, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 59° | 64° | — | — |
| 2024 | 70° | 59° | 64° | — | — |
| 2023 | 63° | 58° | 60° | — | — |
| 2022 | 76° | 58° | 67° | — | — |
| 2021 | 85° | 60° | 72° | — | — |
| 2020 | 75° | 65° | 70° | — | — |
| 2019 | 67° | 58° | 62° | — | — |
| 2018 | 67° | 57° | 62° | — | — |
| 2017 | 82° | 58° | 70° | — | — |
| 2016 | 68° | 55° | 62° | 0.03" | — |
| 2015 | 85° | 60° | 72° | — | — |
| 2014warmest | 94° | 64° | 79° | — | — |
| 2013 | 68° | 59° | 64° | — | — |
| 2012 | 68° | 60° | 64° | — | — |
| 2011 | 82° | 53° | 68° | — | — |
| 2010 | 69° | 50° | 60° | — | — |
| 2009 | 69° | 54° | 61° | — | — |
| 2008 | 69° | 58° | 63° | — | — |
| 2007 | 71° | 60° | 66° | — | — |
| 2006 | 71° | 57° | 64° | — | — |
| 2005 | 71° | 54° | 62° | — | — |
| 2004 | 72° | 55° | 63° | — | — |
| 2003 | 66° | 51° | 59° | — | — |
| 2002 | 64° | 55° | 60° | — | — |
| 2001 | 68° | 56° | 62° | — | — |
| 2000 | 78° | 54° | 66° | — | — |
| 1999 | 60° | 51° | 56° | — | — |
| 1998 | 72° | 56° | 64° | — | — |
| 1997 | 74° | 56° | 65° | — | — |
| 1996 | 92° | 61° | 76° | — | — |
| 1995 | 70° | 59° | 64° | — | — |
| 1994 | 68° | 55° | 62° | — | — |
| 1993 | 75° | 61° | 68° | — | — |
| 1992 | 80° | 60° | 70° | — | — |
| 1991 | 77° | 54° | 65° | — | — |
| 1990 | 69° | 53° | 61° | — | — |
| 1989 | 76° | 54° | 65° | — | — |
| 1988 | 70° | 56° | 63° | — | — |
| 1987 | 72° | 57° | 64° | — | — |
| 1986 | 73° | 57° | 65° | — | — |
| 1985 | 76° | 50° | 63° | — | — |
| 1984 | 68° | 54° | 61° | — | — |
| 1983 | 67° | 54° | 60° | — | — |
| 1982 | 73° | 59° | 66° | — | — |
| 1981 | 77° | 62° | 70° | — | — |
| 1980 | 67° | 53° | 60° | — | — |
| 1979 | 71° | 55° | 63° | — | — |
| 1978 | 69° | 56° | 62° | — | — |
| 1977 | 75° | 58° | 66° | — | — |
| 1976 | 81° | 50° | 65° | — | — |
| 1975 | 74° | 53° | 63° | — | — |
| 1974 | 78° | 55° | 67° | — | — |
| 1973coldest | 60° | 51° | 56° | — | — |
| 1972 | 75° | 51° | 63° | — | — |
| 1971 | 69° | 47° | 58° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP