Weather on August 19
Mission Viejo, CA
55 Years of Data
Avg High
83°F
Avg Low
62°F
Warmest
1986
85°F avg
Coldest
1987
66°F avg
About This Date
August 19th in Mission Viejo, CA typically brings warm summer weather, with average highs around 83°F and lows near 62°F. Over 55 years of records, the warmest August 19th was in 1986 (85°F average), while the coldest was 1987 (66°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 19th dates historically. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for August 19th in Mission Viejo, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 58° | 72° | — | — |
| 2024 | 92° | 62° | 77° | — | — |
| 2023 | 79° | 60° | 69° | — | — |
| 2022 | 84° | 62° | 73° | — | — |
| 2021 | 80° | 63° | 71° | — | — |
| 2020 | 93° | 69° | 81° | — | — |
| 2019 | 83° | 60° | 71° | — | — |
| 2018 | 85° | 64° | 74° | — | — |
| 2017 | 80° | 62° | 71° | — | — |
| 2016 | 89° | 58° | 73° | — | — |
| 2015 | 81° | 61° | 71° | — | — |
| 2014 | 79° | 62° | 70° | — | — |
| 2013 | 80° | 61° | 70° | — | — |
| 2012 | 89° | 68° | 79° | — | — |
| 2011 | 78° | 57° | 68° | — | — |
| 2010 | 93° | 64° | 79° | — | — |
| 2009 | 81° | 58° | 69° | — | — |
| 2008 | 82° | 57° | 70° | — | — |
| 2007 | 99° | 64° | 81° | — | — |
| 2006 | 82° | 59° | 71° | — | — |
| 2005 | 83° | 57° | 70° | — | — |
| 2004 | 81° | 57° | 69° | — | — |
| 2003 | 86° | 63° | 74° | — | — |
| 2002 | 71° | 60° | 66° | — | — |
| 2001 | 91° | 64° | 78° | — | — |
| 2000 | 90° | 62° | 76° | — | — |
| 1999 | 85° | 56° | 70° | — | — |
| 1998 | 79° | 57° | 68° | — | — |
| 1997 | 86° | 66° | 76° | — | — |
| 1996 | 79° | 63° | 71° | — | — |
| 1995 | 84° | 59° | 72° | — | — |
| 1994 | 86° | 69° | 78° | — | — |
| 1993 | 81° | 64° | 72° | — | — |
| 1992 | 93° | 70° | 81° | — | — |
| 1991 | 83° | 62° | 72° | — | — |
| 1990 | 77° | 62° | 70° | — | — |
| 1989 | 77° | 63° | 70° | — | — |
| 1988 | 74° | 59° | 66° | — | — |
| 1987coldest | 79° | 54° | 66° | — | — |
| 1986warmest | 96° | 73° | 85° | — | — |
| 1985 | 81° | 58° | 69° | — | — |
| 1984 | 84° | 70° | 77° | — | — |
| 1983 | 76° | 69° | 72° | 0.2" | — |
| 1982 | 90° | 63° | 76° | — | — |
| 1981 | 83° | 65° | 74° | — | — |
| 1980 | 78° | 63° | 70° | — | — |
| 1979 | 75° | 64° | 70° | — | — |
| 1978 | 81° | 59° | 70° | — | — |
| 1977 | 83° | 68° | 75° | — | — |
| 1976 | 78° | 60° | 69° | — | — |
| 1975 | 77° | 62° | 70° | — | — |
| 1974 | 77° | 57° | 67° | — | — |
| 1973 | 96° | 62° | 79° | — | — |
| 1972 | 79° | 58° | 68° | — | — |
| 1971 | 81° | 65° | 73° | — | — |
55 years of data from EL TORO MCAS