Weather on March 15
Irvine, CA
55 Years of Data
Avg High
71°F
Avg Low
47°F
Warmest
2015
78°F avg
Coldest
1975
49°F avg
About This Date
March 15th in Irvine, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 47°F. Over 56 years of records, the warmest March 15th was in 2015 (78°F average), while the coldest was 1975 (49°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 14% of March 15th dates historically, with the wettest March 15th recording 4.29" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for March 15th in Irvine, CA? Great weather for outdoor activities.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 74° | 60° | 67° | — | — |
| 2025 | 62° | 51° | 57° | 0.13" | — |
| 2024 | 69° | 51° | 60° | — | — |
| 2023 | 58° | 54° | 56° | 4.29" | — |
| 2022 | 79° | 51° | 65° | — | — |
| 2021 | 59° | 51° | 55° | 0.3" | — |
| 2020 | 69° | 54° | 61° | — | — |
| 2019 | 75° | 50° | 63° | — | — |
| 2018 | 65° | 50° | 57° | 0.58" | — |
| 2017 | 87° | 56° | 71° | — | — |
| 2016 | 81° | 51° | 66° | — | — |
| 2015warmest | 94° | 63° | 78° | — | — |
| 2014 | 88° | 50° | 69° | — | — |
| 2013 | 80° | 45° | 62° | — | — |
| 2012 | 71° | 45° | 58° | — | — |
| 2011 | 84° | 47° | 65° | — | — |
| 2010 | 84° | 52° | 68° | — | — |
| 2009 | 66° | 42° | 54° | — | — |
| 2008 | 63° | 46° | 54° | — | — |
| 2007 | 78° | 50° | 64° | — | — |
| 2006 | 61° | 42° | 51° | — | — |
| 2005 | 78° | 47° | 62° | — | — |
| 2004 | 79° | 51° | 65° | — | — |
| 2003 | 64° | 50° | 57° | — | — |
| 2002 | 61° | 39° | 50° | — | — |
| 2001 | 64° | 50° | 57° | — | — |
| 2000 | 72° | 52° | 62° | — | — |
| 1999 | 64° | 39° | 52° | 0.74" | — |
| 1998 | 78° | 52° | 65° | — | — |
| 1997 | 73° | 52° | 62° | — | — |
| 1996 | 69° | 44° | 57° | — | — |
| 1995 | 71° | 51° | 61° | — | — |
| 1994 | 85° | 46° | 65° | — | — |
| 1993 | 75° | 57° | 66° | — | — |
| 1992 | 70° | 42° | 56° | — | — |
| 1991 | 58° | 47° | 52° | — | — |
| 1990 | 76° | 37° | 56° | — | — |
| 1989 | 72° | 45° | 58° | — | — |
| 1988 | 64° | 43° | 53° | — | — |
| 1987 | 63° | 44° | 53° | 0.38" | — |
| 1986 | 60° | 40° | 50° | — | — |
| 1985 | 61° | 47° | 54° | — | — |
| 1984 | 69° | 49° | 59° | 0.43" | — |
| 1983 | 69° | 42° | 56° | — | — |
| 1982 | 57° | 50° | 54° | 1.73" | — |
| 1981 | 78° | 52° | 65° | — | — |
| 1980 | 73° | 45° | 59° | — | — |
| 1979 | 67° | 46° | 56° | — | — |
| 1978 | 69° | 44° | 57° | — | — |
| 1977 | 63° | 35° | 49° | — | — |
| 1976 | 74° | 38° | 56° | — | — |
| 1975coldest | 61° | 38° | 49° | — | — |
| 1974 | 74° | 45° | 59° | — | — |
| 1973 | 68° | 39° | 54° | — | — |
| 1972 | 70° | 51° | 60° | — | — |
| 1971 | 72° | 37° | 54° | — | — |
56 years of data from IRVINE RCH