Weather on August 26
Mission Viejo, CA
55 Years of Data
Avg High
87°F
Avg Low
63°F
Warmest
1981
85°F avg
Coldest
1987
65°F avg
About This Date
August 26th in Mission Viejo, CA typically brings warm summer weather, with average highs around 87°F and lows near 63°F. Over 55 years of records, the warmest August 26th was in 1981 (85°F average), while the coldest was 1987 (65°F) — a 20°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 August 26th in Mission Viejo, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 62° | 74° | — | — |
| 2024 | 87° | 62° | 75° | — | — |
| 2023 | 93° | 60° | 77° | — | — |
| 2022 | 87° | 65° | 76° | — | — |
| 2021 | 96° | 66° | 81° | — | — |
| 2020 | 90° | 65° | 77° | — | — |
| 2019 | 89° | 66° | 78° | — | — |
| 2018 | 82° | 63° | 72° | — | — |
| 2017 | 88° | 63° | 75° | — | — |
| 2016 | 76° | 60° | 68° | — | — |
| 2015 | 93° | 67° | 80° | — | — |
| 2014 | 87° | 61° | 74° | — | — |
| 2013 | 93° | 69° | 81° | — | — |
| 2012 | 84° | 58° | 71° | — | — |
| 2011 | 99° | 64° | 81° | — | — |
| 2010 | 101° | 61° | 81° | — | — |
| 2009 | 101° | 67° | 84° | — | — |
| 2008 | 88° | 60° | 74° | — | — |
| 2007 | 87° | 64° | 76° | — | — |
| 2006 | 87° | 54° | 70° | — | — |
| 2005 | 98° | 65° | 81° | — | — |
| 2004 | 80° | 60° | 70° | — | — |
| 2003 | 89° | 62° | 76° | — | — |
| 2002 | 87° | 58° | 72° | — | — |
| 2001 | 93° | 59° | 76° | — | — |
| 2000 | 85° | 62° | 73° | — | — |
| 1999 | 94° | 64° | 79° | — | — |
| 1998 | 83° | 65° | 74° | — | — |
| 1997 | 83° | 61° | 72° | — | — |
| 1996 | 81° | 61° | 71° | — | — |
| 1995 | 87° | 59° | 73° | — | — |
| 1994 | 85° | 66° | 75° | — | — |
| 1993 | 91° | 66° | 79° | — | — |
| 1992 | 87° | 62° | 75° | — | — |
| 1991 | 83° | 66° | 74° | — | — |
| 1990 | 77° | 60° | 69° | — | — |
| 1989 | 76° | 63° | 69° | — | — |
| 1988 | 85° | 68° | 76° | — | — |
| 1987coldest | 75° | 55° | 65° | — | — |
| 1986 | 88° | 64° | 76° | — | — |
| 1985 | 95° | 67° | 81° | — | — |
| 1984 | 83° | 69° | 76° | — | — |
| 1983 | 89° | 62° | 76° | — | — |
| 1982 | 88° | 67° | 77° | — | — |
| 1981warmest | 99° | 72° | 85° | — | — |
| 1980 | 82° | 61° | 71° | — | — |
| 1979 | 83° | 63° | 73° | — | — |
| 1978 | 80° | 57° | 69° | — | — |
| 1977 | 80° | 66° | 73° | — | — |
| 1976 | 86° | 60° | 73° | — | — |
| 1975 | 79° | 57° | 68° | — | — |
| 1974 | 86° | 58° | 72° | — | — |
| 1973 | 73° | 62° | 68° | — | — |
| 1972 | 77° | 64° | 71° | — | — |
| 1971 | 92° | 60° | 76° | — | — |
55 years of data from EL TORO MCAS