Weather on August 29
Mission Viejo, CA
55 Years of Data
Avg High
88°F
Avg Low
63°F
Warmest
1998
89°F avg
Coldest
2000
64°F avg
About This Date
August 29th in Mission Viejo, CA typically brings warm summer weather, with average highs around 88°F and lows near 63°F — a 25°F daily swing. Over 55 years of records, the warmest August 29th was in 1998 (89°F average), while the coldest was 2000 (64°F) — a 25°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for August 29th in Mission Viejo, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 68° | 81° | — | — |
| 2024 | 80° | 60° | 70° | — | — |
| 2023 | 97° | 71° | 84° | — | — |
| 2022 | 86° | 65° | 75° | — | — |
| 2021 | 90° | 62° | 76° | — | — |
| 2020 | 82° | 59° | 71° | — | — |
| 2019 | 88° | 63° | 75° | — | — |
| 2018 | 88° | 63° | 75° | — | — |
| 2017 | 99° | 68° | 83° | — | — |
| 2016 | 89° | 60° | 75° | — | — |
| 2015 | 96° | 70° | 83° | — | — |
| 2014 | 87° | 64° | 76° | — | — |
| 2013 | 95° | 70° | 82° | — | — |
| 2012 | 88° | 67° | 77° | — | — |
| 2011 | 88° | 60° | 74° | — | — |
| 2010 | 74° | 55° | 64° | — | — |
| 2009 | 105° | 73° | 89° | — | — |
| 2008 | 90° | 62° | 76° | — | — |
| 2007 | 101° | 68° | 84° | — | — |
| 2006 | 91° | 58° | 74° | — | — |
| 2005 | 96° | 64° | 80° | — | — |
| 2004 | 87° | 60° | 74° | — | — |
| 2003 | 87° | 61° | 74° | — | — |
| 2002 | 82° | 57° | 70° | — | — |
| 2001 | 79° | 57° | 68° | — | — |
| 2000coldest | 66° | 62° | 64° | — | — |
| 1999 | 90° | 54° | 72° | — | — |
| 1998warmest | 108° | 71° | 89° | — | — |
| 1997 | 82° | 61° | 71° | — | — |
| 1996 | 91° | 64° | 78° | — | — |
| 1995 | 96° | 68° | 82° | — | — |
| 1994 | 86° | 63° | 74° | — | — |
| 1993 | 80° | 65° | 72° | — | — |
| 1992 | 81° | 63° | 72° | — | — |
| 1991 | 83° | 60° | 71° | — | — |
| 1990 | 85° | 65° | 75° | — | — |
| 1989 | 78° | 59° | 69° | — | — |
| 1988 | 84° | 63° | 73° | — | — |
| 1987 | 77° | 61° | 69° | — | — |
| 1986 | 89° | 63° | 76° | — | — |
| 1985 | 95° | 65° | 80° | — | — |
| 1984 | 92° | 69° | 80° | — | — |
| 1983 | 93° | 64° | 79° | — | — |
| 1982 | 84° | 66° | 75° | — | — |
| 1981 | 87° | 65° | 76° | — | — |
| 1980 | 84° | 60° | 72° | — | — |
| 1979 | 76° | 66° | 71° | — | — |
| 1978 | 81° | 63° | 72° | — | — |
| 1977 | 81° | 66° | 73° | — | — |
| 1976 | 94° | 62° | 78° | — | — |
| 1975 | 82° | 57° | 70° | — | — |
| 1974 | 81° | 54° | 67° | — | — |
| 1973 | 80° | 55° | 68° | — | — |
| 1972 | 98° | 64° | 81° | — | — |
| 1971 | 92° | 66° | 79° | — | — |
55 years of data from EL TORO MCAS