Weather on March 31
Newport Beach, CA
55 Years of Data
Avg High
65°F
Avg Low
53°F
Warmest
2026
68°F avg
Coldest
1977
51°F avg
About This Date
March 31st in Newport Beach, CA typically brings mild spring weather, with average highs around 65°F and lows near 53°F. Over 56 years of records, the warmest March 31st was in 2026 (68°F average), while the coldest was 1977 (51°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 9% of March 31st dates historically, with the wettest March 31st recording 2.01" 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 March 31st in Newport Beach, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 71° | 64° | 68° | 0.05" | — |
| 2025 | 60° | 55° | 58° | 0.15" | — |
| 2024 | 56° | 51° | 53° | 2.01" | — |
| 2023 | 59° | 48° | 54° | — | — |
| 2022 | 63° | 57° | 60° | — | — |
| 2021 | 74° | 52° | 63° | — | — |
| 2020 | 64° | 53° | 59° | — | — |
| 2019 | 70° | 54° | 62° | — | — |
| 2018 | 59° | 53° | 56° | — | — |
| 2017 | 65° | 57° | 61° | — | — |
| 2016 | 62° | 51° | 57° | — | — |
| 2015 | 67° | 59° | 63° | — | — |
| 2014 | 63° | 54° | 58° | — | — |
| 2013 | 62° | 56° | 59° | — | — |
| 2012 | 61° | 55° | 58° | — | — |
| 2011 | 69° | 59° | 64° | — | — |
| 2010 | 62° | 51° | 57° | — | — |
| 2009 | 61° | 51° | 56° | — | — |
| 2008 | 58° | 51° | 54° | — | — |
| 2007 | 66° | 51° | 59° | — | — |
| 2006 | 63° | 53° | 58° | 0.13" | — |
| 2005 | 77° | 53° | 65° | — | — |
| 2004 | 61° | 58° | 59° | — | — |
| 2003 | 72° | 58° | 65° | — | — |
| 2002 | 58° | 56° | 57° | — | — |
| 2001 | 61° | 58° | 59° | — | — |
| 2000 | 83° | 49° | 66° | — | — |
| 1999 | 66° | 53° | 60° | — | — |
| 1998 | 60° | 49° | 54° | — | — |
| 1997 | 62° | 58° | 60° | — | — |
| 1996 | 61° | 48° | 54° | — | — |
| 1995 | 67° | 49° | 58° | — | — |
| 1994 | 76° | 52° | 64° | — | — |
| 1993 | 62° | 52° | 57° | — | — |
| 1992 | 62° | 54° | 58° | — | — |
| 1991 | 59° | 53° | 56° | — | — |
| 1990 | 59° | 50° | 55° | — | — |
| 1989 | 67° | 52° | 59° | — | — |
| 1988 | 78° | 53° | 66° | — | — |
| 1987 | 70° | 49° | 59° | — | — |
| 1986 | 65° | 56° | 60° | — | — |
| 1985 | 67° | 47° | 57° | — | — |
| 1984 | 65° | 55° | 60° | — | — |
| 1983 | 68° | 55° | 62° | — | — |
| 1982 | 63° | 46° | 54° | — | — |
| 1981 | 67° | 48° | 57° | — | — |
| 1980 | 66° | 50° | 58° | — | — |
| 1979 | 65° | 52° | 58° | — | — |
| 1978 | 68° | 55° | 62° | 1.65" | — |
| 1977coldest | 56° | 47° | 51° | — | — |
| 1976 | 66° | 49° | 57° | — | — |
| 1975 | 62° | 52° | 57° | — | — |
| 1974 | 63° | 53° | 58° | — | — |
| 1973 | 63° | 45° | 54° | — | — |
| 1972 | 67° | 49° | 58° | — | — |
| 1971 | 65° | 52° | 58° | — | — |
56 years of data from NEWPORT BEACH HARBOR