Weather on June 18
Newport Beach, CA
55 Years of Data
Avg High
69°F
Avg Low
61°F
Warmest
1981
77°F avg
Coldest
1979
60°F avg
About This Date
June 18th in Newport Beach, CA typically brings mild summer weather, with average highs around 69°F and lows near 61°F. Over 55 years of records, the warmest June 18th was in 1981 (77°F average), while the coldest was 1979 (60°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 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 June 18th in Newport Beach, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 62° | 66° | — | — |
| 2024 | 68° | 63° | 65° | — | — |
| 2023 | 68° | 61° | 64° | — | — |
| 2022 | 69° | 63° | 66° | — | — |
| 2021 | 67° | 62° | 64° | — | — |
| 2020 | 70° | 61° | 65° | — | — |
| 2019 | 65° | 62° | 63° | — | — |
| 2018 | 68° | 60° | 64° | — | — |
| 2017 | 81° | 63° | 72° | — | — |
| 2016 | 74° | 61° | 67° | — | — |
| 2015 | 67° | 63° | 65° | — | — |
| 2014 | 67° | 61° | 64° | — | — |
| 2013 | 68° | 62° | 65° | — | — |
| 2012 | 68° | 62° | 65° | — | — |
| 2011 | 67° | 62° | 64° | 0.08" | — |
| 2010 | 64° | 62° | 63° | — | — |
| 2009 | 69° | 63° | 66° | — | — |
| 2008 | 71° | 62° | 67° | — | — |
| 2007 | 65° | 61° | 63° | — | — |
| 2006 | 70° | 64° | 67° | — | — |
| 2005 | 69° | 60° | 65° | — | — |
| 2004 | 67° | 64° | 65° | — | — |
| 2003 | 74° | 62° | 68° | — | — |
| 2002 | 67° | 64° | 65° | — | — |
| 2001 | 67° | 61° | 64° | — | — |
| 2000 | 67° | 62° | 64° | — | — |
| 1999 | 71° | 60° | 66° | — | — |
| 1998 | 72° | 59° | 65° | — | — |
| 1997 | 68° | 63° | 65° | — | — |
| 1996 | 68° | 60° | 64° | — | — |
| 1995 | 65° | 55° | 60° | — | — |
| 1994 | 68° | 60° | 64° | — | — |
| 1993 | 71° | 64° | 68° | — | — |
| 1992 | 66° | 59° | 63° | — | — |
| 1991 | 63° | 58° | 60° | — | — |
| 1990 | 67° | 60° | 63° | — | — |
| 1989 | 66° | 59° | 63° | — | — |
| 1988 | 63° | 59° | 61° | — | — |
| 1987 | 69° | 57° | 63° | — | — |
| 1986 | 68° | 58° | 63° | — | — |
| 1985 | 70° | 61° | 65° | — | — |
| 1984 | 73° | 63° | 68° | — | — |
| 1983 | 71° | 62° | 67° | — | — |
| 1982 | 67° | 59° | 63° | — | — |
| 1981warmest | 87° | 67° | 77° | — | — |
| 1980 | 67° | 58° | 62° | — | — |
| 1979coldest | 69° | 51° | 60° | — | — |
| 1978 | 72° | 61° | 66° | — | — |
| 1977 | 68° | 57° | 63° | — | — |
| 1976 | 69° | 65° | 67° | — | — |
| 1975 | 66° | 58° | 62° | — | — |
| 1974 | 66° | 56° | 61° | — | — |
| 1973 | 69° | 62° | 66° | — | — |
| 1972 | 73° | 63° | 68° | — | — |
| 1971 | 72° | 62° | 67° | — | — |
55 years of data from NEWPORT BEACH HARBOR