Weather on October 18
Newport Beach, CA
55 Years of Data
Avg High
71°F
Avg Low
60°F
Warmest
2003
73°F avg
Coldest
1971
57°F avg
About This Date
October 18th in Newport Beach, CA typically brings pleasant fall weather, with average highs around 71°F and lows near 60°F. Over 55 years of records, the warmest October 18th was in 2003 (73°F average), while the coldest was 1971 (57°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 5% of October 18th dates historically. 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 October 18th 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° | 57° | 67° | — | — |
| 2024 | 72° | 59° | 65° | — | — |
| 2023 | 68° | 63° | 65° | — | — |
| 2022 | 75° | 63° | 69° | — | — |
| 2021 | 65° | 59° | 62° | — | — |
| 2020 | 74° | 65° | 69° | — | — |
| 2019 | 70° | 61° | 65° | — | — |
| 2018 | 74° | 58° | 66° | — | — |
| 2017 | 77° | 68° | 73° | — | — |
| 2016 | 70° | 59° | 64° | — | — |
| 2015 | 75° | 70° | 72° | — | — |
| 2014 | 73° | 63° | 68° | — | — |
| 2013 | 71° | 56° | 63° | — | — |
| 2012 | 72° | 68° | 70° | — | — |
| 2011 | 64° | 60° | 62° | — | — |
| 2010 | 70° | 64° | 67° | 0.2" | — |
| 2009 | 71° | 61° | 66° | — | — |
| 2008 | 74° | 56° | 65° | — | — |
| 2007 | 68° | 56° | 62° | — | — |
| 2006 | 85° | 55° | 70° | — | — |
| 2005 | 64° | 58° | 61° | 0.1" | — |
| 2004 | 72° | 63° | 67° | — | — |
| 2003warmest | 80° | 66° | 73° | — | — |
| 2002 | 65° | 62° | 63° | — | — |
| 2001 | 68° | 60° | 64° | — | — |
| 2000 | 66° | 62° | 64° | — | — |
| 1999 | 77° | 52° | 64° | — | — |
| 1998 | 88° | 53° | 70° | — | — |
| 1997 | 71° | 58° | 64° | — | — |
| 1996 | 75° | 60° | 68° | — | — |
| 1995 | 67° | 62° | 64° | — | — |
| 1994 | 68° | 53° | 61° | — | — |
| 1993 | 68° | 55° | 62° | — | — |
| 1992 | 66° | 62° | 64° | — | — |
| 1991 | 87° | 55° | 71° | — | — |
| 1990 | 68° | 62° | 65° | — | — |
| 1989 | 63° | 56° | 59° | — | — |
| 1988 | 69° | 64° | 67° | — | — |
| 1987 | 73° | 63° | 68° | — | — |
| 1986 | 68° | 55° | 62° | — | — |
| 1985 | 72° | 64° | 68° | — | — |
| 1984 | 75° | 52° | 63° | — | — |
| 1983 | 74° | 59° | 66° | — | — |
| 1982 | 70° | 60° | 65° | — | — |
| 1981 | 77° | 51° | 64° | — | — |
| 1980 | 73° | 65° | 69° | — | — |
| 1979 | 71° | 64° | 68° | — | — |
| 1978 | 72° | 57° | 64° | — | — |
| 1977 | 68° | 61° | 64° | — | — |
| 1976 | 71° | 64° | 68° | — | — |
| 1975 | 65° | 58° | 61° | — | — |
| 1974 | 70° | 56° | 63° | — | — |
| 1973 | 72° | 58° | 65° | — | — |
| 1972 | 68° | 57° | 63° | 0.1" | — |
| 1971coldest | 65° | 50° | 57° | — | — |
55 years of data from NEWPORT BEACH HARBOR