Weather on August 21
Newport Beach, CA
55 Years of Data
About This Date
August 21st in Newport Beach, CA typically brings pleasant summer weather, with average highs around 73°F and lows near 65°F. Over 55 years of records, the warmest August 21st was in 1984 (75°F average), while the coldest was 1985 (64°F) — a 11°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 21st dates historically, with the wettest August 21st recording 4.45" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Newport Beach, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 67° | 73° | — | — |
| 2024 | 77° | 68° | 73° | — | — |
| 2023 | 75° | 64° | 70° | 4.45" | — |
| 2022 | 73° | 68° | 71° | — | — |
| 2021 | 72° | 66° | 69° | — | — |
| 2020 | 77° | 71° | 74° | — | — |
| 2019 | 75° | 64° | 70° | — | — |
| 2018 | 77° | 70° | 73° | — | — |
| 2017 | 74° | 72° | 73° | — | — |
| 2016 | 72° | 64° | 68° | — | — |
| 2015 | 75° | 69° | 72° | — | — |
| 2014 | 72° | 67° | 69° | — | — |
| 2013 | 69° | 62° | 66° | — | — |
| 2012 | 74° | 70° | 72° | — | — |
| 2011 | 69° | 62° | 66° | — | — |
| 2010 | 69° | 60° | 65° | — | — |
| 2009 | 76° | 63° | 69° | — | — |
| 2008 | 71° | 65° | 68° | — | — |
| 2007 | 76° | 66° | 71° | — | — |
| 2006 | 71° | 64° | 68° | — | — |
| 2005 | 71° | 62° | 67° | — | — |
| 2004 | 73° | 66° | 70° | — | — |
| 2003 | 77° | 69° | 73° | — | — |
| 2002 | 70° | 68° | 69° | — | — |
| 2001 | 70° | 67° | 68° | — | — |
| 2000 | 70° | 68° | 69° | — | — |
| 1999 | 75° | 59° | 67° | — | — |
| 1998 | 80° | 64° | 72° | — | — |
| 1997 | 72° | 66° | 69° | — | — |
| 1996 | 73° | 61° | 67° | — | — |
| 1995 | 70° | 65° | 67° | — | — |
| 1994 | 72° | 67° | 69° | — | — |
| 1993 | 69° | 62° | 66° | — | — |
| 1992 | 72° | 66° | 69° | — | — |
| 1991 | 67° | 62° | 64° | — | — |
| 1990 | 71° | 63° | 67° | — | — |
| 1989 | 67° | 64° | 65° | — | — |
| 1988 | 67° | 62° | 64° | — | — |
| 1987 | 70° | 60° | 65° | — | — |
| 1986 | 74° | 64° | 69° | — | — |
| 1985coldest | 70° | 58° | 64° | — | — |
| 1984warmest | 78° | 72° | 75° | — | — |
| 1983 | 73° | 67° | 70° | — | — |
| 1982 | 78° | 68° | 73° | — | — |
| 1981 | 77° | 63° | 70° | — | — |
| 1980 | 74° | 62° | 68° | — | — |
| 1979 | 73° | 60° | 67° | — | — |
| 1978 | 71° | 68° | 70° | — | — |
| 1977 | 75° | 70° | 72° | — | — |
| 1976 | 70° | 60° | 65° | — | — |
| 1975 | 68° | 62° | 65° | — | — |
| 1974 | 73° | 62° | 68° | — | — |
| 1973 | 73° | 66° | 70° | — | — |
| 1972 | 79° | 61° | 70° | — | — |
| 1971 | 74° | 68° | 71° | — | — |
Newport Beach, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Newport Beach, CA Monthly Precipitation
Average rainfall per month, in inches.
Newport Beach, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Newport Beach, CA
Most pleasant months in Newport Beach, CA: June, July.