Weather on October 15
Mission Viejo, CA
55 Years of Data
Avg High
78°F
Avg Low
59°F
Warmest
2017
85°F avg
Coldest
1980
59°F avg
About This Date
October 15th in Mission Viejo, CA typically brings pleasant fall weather, with average highs around 78°F and lows near 59°F. Over 55 years of records, the warmest October 15th was in 2017 (85°F average), while the coldest was 1980 (59°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 2% of October 15th dates historically. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for October 15th in Mission Viejo, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 52° | 60° | — | — |
| 2024 | 72° | 58° | 65° | — | — |
| 2023 | 89° | 64° | 77° | — | — |
| 2022 | 65° | 60° | 62° | — | — |
| 2021 | 89° | 64° | 77° | — | — |
| 2020 | 97° | 71° | 84° | — | — |
| 2019 | 88° | 55° | 71° | — | — |
| 2018 | 77° | 58° | 67° | — | — |
| 2017warmest | 96° | 73° | 85° | — | — |
| 2016 | 75° | 54° | 64° | — | — |
| 2015 | 79° | 68° | 73° | — | — |
| 2014 | 76° | 60° | 68° | — | — |
| 2013 | 84° | 65° | 74° | — | — |
| 2012 | 90° | 68° | 79° | — | — |
| 2011 | 77° | 55° | 66° | — | — |
| 2010 | 67° | 59° | 63° | — | — |
| 2009 | 84° | 57° | 71° | — | — |
| 2008 | 91° | 69° | 80° | — | — |
| 2007 | 64° | 54° | 59° | — | — |
| 2006 | 64° | 54° | 59° | — | — |
| 2005 | 78° | 56° | 67° | — | — |
| 2004 | 81° | 55° | 68° | — | — |
| 2003 | 79° | 54° | 66° | — | — |
| 2002 | 73° | 55° | 64° | — | — |
| 2001 | 91° | 57° | 74° | — | — |
| 2000 | 79° | 55° | 67° | — | — |
| 1999 | 76° | 56° | 66° | — | — |
| 1998 | 69° | 54° | 61° | — | — |
| 1997 | 94° | 67° | 80° | — | — |
| 1996 | 72° | 55° | 63° | — | — |
| 1995 | 72° | 58° | 65° | — | — |
| 1994 | 71° | 57° | 64° | 0.03" | — |
| 1993 | 75° | 63° | 69° | — | — |
| 1992 | 76° | 60° | 68° | — | — |
| 1991 | 81° | 61° | 71° | — | — |
| 1990 | 75° | 64° | 70° | — | — |
| 1989 | 70° | 57° | 63° | — | — |
| 1988 | 74° | 54° | 64° | — | — |
| 1987 | 69° | 56° | 62° | — | — |
| 1986 | 75° | 56° | 65° | — | — |
| 1985 | 91° | 69° | 80° | — | — |
| 1984 | 75° | 59° | 67° | — | — |
| 1983 | 72° | 61° | 66° | — | — |
| 1982 | 87° | 59° | 73° | — | — |
| 1981 | 72° | 48° | 60° | — | — |
| 1980coldest | 67° | 51° | 59° | — | — |
| 1979 | 78° | 60° | 69° | — | — |
| 1978 | 80° | 56° | 68° | — | — |
| 1977 | 80° | 58° | 69° | — | — |
| 1976 | 79° | 63° | 71° | — | — |
| 1975 | 88° | 58° | 73° | — | — |
| 1974 | 101° | 51° | 76° | — | — |
| 1973 | 78° | 52° | 65° | — | — |
| 1972 | 76° | 53° | 64° | — | — |
| 1971 | 69° | 58° | 63° | — | — |
55 years of data from EL TORO MCAS