Weather on August 31
Newport Beach, CA
55 Years of Data
Avg High
74°F
Avg Low
65°F
Warmest
1998
80°F avg
Coldest
1975
63°F avg
About This Date
August 31st in Newport Beach, CA typically brings pleasant summer weather, with average highs around 74°F and lows near 65°F. Over 55 years of records, the warmest August 31st was in 1998 (80°F average), while the coldest was 1975 (63°F) — a 17°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 August 31st in Newport Beach, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 68° | 73° | — | — |
| 2024 | 71° | 65° | 68° | — | — |
| 2023 | 72° | 67° | 69° | — | — |
| 2022 | 76° | 67° | 71° | — | — |
| 2021 | 70° | 65° | 67° | — | — |
| 2020 | 71° | 64° | 68° | — | — |
| 2019 | 78° | 68° | 73° | — | — |
| 2018 | 74° | 64° | 69° | — | — |
| 2017 | 80° | 69° | 75° | — | — |
| 2016 | 75° | 67° | 71° | — | — |
| 2015 | 77° | 69° | 73° | — | — |
| 2014 | 75° | 71° | 73° | — | — |
| 2013 | 79° | 71° | 75° | — | — |
| 2012 | 74° | 68° | 71° | — | — |
| 2011 | 76° | 63° | 69° | — | — |
| 2010 | 69° | 58° | 63° | — | — |
| 2009 | 88° | 68° | 78° | — | — |
| 2008 | 73° | 68° | 71° | — | — |
| 2007 | 74° | 66° | 70° | — | — |
| 2006 | 74° | 64° | 69° | — | — |
| 2005 | 72° | 65° | 68° | — | — |
| 2004 | 75° | 64° | 70° | — | — |
| 2003 | 72° | 67° | 69° | — | — |
| 2002 | 70° | 67° | 68° | — | — |
| 2001 | 70° | 66° | 68° | — | — |
| 2000 | 68° | 67° | 67° | — | — |
| 1999 | 75° | 63° | 69° | — | — |
| 1998warmest | 90° | 71° | 80° | — | — |
| 1997 | 73° | 68° | 71° | — | — |
| 1996 | 75° | 67° | 71° | — | — |
| 1995 | 73° | 63° | 68° | — | — |
| 1994 | 71° | 67° | 69° | — | — |
| 1993 | 70° | 64° | 67° | — | — |
| 1992 | 69° | 61° | 65° | — | — |
| 1991 | 67° | 62° | 64° | — | — |
| 1990 | 71° | 64° | 68° | — | — |
| 1989 | 68° | 60° | 64° | — | — |
| 1988 | 67° | 62° | 64° | — | — |
| 1987 | 74° | 62° | 68° | — | — |
| 1986 | 73° | 64° | 69° | — | — |
| 1985 | 78° | 68° | 73° | — | — |
| 1984 | 80° | 68° | 74° | — | — |
| 1983 | 78° | 65° | 71° | — | — |
| 1982 | 77° | 65° | 71° | — | — |
| 1981 | 77° | 66° | 72° | — | — |
| 1980 | 73° | 63° | 68° | — | — |
| 1979 | 73° | 62° | 68° | — | — |
| 1978 | 73° | 64° | 69° | — | — |
| 1977 | 74° | 70° | 72° | — | — |
| 1976 | 75° | 66° | 71° | — | — |
| 1975coldest | 70° | 56° | 63° | — | — |
| 1974 | 69° | 60° | 65° | — | — |
| 1973 | 70° | 62° | 66° | — | — |
| 1972 | 80° | 66° | 73° | — | — |
| 1971 | 73° | 57° | 65° | — | — |
55 years of data from NEWPORT BEACH HARBOR