Weather on November 18
Mission Viejo, CA
55 Years of Data
Avg High
71°F
Avg Low
52°F
Warmest
2008
78°F avg
Coldest
1994
51°F avg
About This Date
November 18th in Mission Viejo, CA typically brings pleasant fall weather, with average highs around 71°F and lows near 52°F. Over 55 years of records, the warmest November 18th was in 2008 (78°F average), while the coldest was 1994 (51°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 7% of November 18th dates historically, with the wettest November 18th recording 0.56" of rain. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for November 18th in Mission Viejo, CA? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 47° | 54° | — | — |
| 2024 | 65° | 45° | 55° | — | — |
| 2023 | 71° | 55° | 63° | — | — |
| 2022 | 69° | 50° | 60° | — | — |
| 2021 | 71° | 51° | 61° | — | — |
| 2020 | 69° | 45° | 57° | — | — |
| 2019 | 92° | 65° | 78° | — | — |
| 2018 | 75° | 54° | 64° | — | — |
| 2017 | 78° | 53° | 66° | — | — |
| 2016 | 77° | 57° | 67° | — | — |
| 2015 | 78° | 54° | 66° | — | — |
| 2014 | 76° | 56° | 66° | — | — |
| 2013 | 67° | 50° | 58° | — | — |
| 2012 | 69° | 53° | 61° | — | — |
| 2011 | 58° | 48° | 53° | — | — |
| 2010 | 72° | 51° | 61° | — | — |
| 2009 | 71° | 48° | 60° | — | — |
| 2008warmest | 90° | 66° | 78° | — | — |
| 2007 | 69° | 49° | 59° | — | — |
| 2006 | 85° | 59° | 72° | — | — |
| 2005 | 88° | 66° | 77° | — | — |
| 2004 | 77° | 53° | 65° | — | — |
| 2003 | 80° | 50° | 65° | — | — |
| 2002 | 88° | 57° | 72° | — | — |
| 2001 | 77° | 55° | 66° | — | — |
| 2000 | 71° | 51° | 61° | — | — |
| 1999 | 70° | 48° | 59° | — | — |
| 1998 | 64° | 47° | 55° | — | — |
| 1997 | 73° | 50° | 62° | — | — |
| 1996 | 70° | 52° | 61° | — | — |
| 1995 | 67° | 51° | 59° | — | — |
| 1994coldest | 59° | 43° | 51° | — | — |
| 1993 | 72° | 47° | 59° | — | — |
| 1992 | 69° | 54° | 61° | — | — |
| 1991 | 70° | 52° | 61° | — | — |
| 1990 | 70° | 54° | 62° | — | — |
| 1989 | 87° | 54° | 70° | — | — |
| 1988 | 65° | 45° | 55° | — | — |
| 1987 | 73° | 49° | 61° | — | — |
| 1986 | 67° | 54° | 60° | 0.56" | — |
| 1985 | 62° | 48° | 55° | — | — |
| 1984 | 61° | 49° | 55° | 0.13" | — |
| 1983 | 71° | 53° | 62° | — | — |
| 1982 | 67° | 50° | 58° | 0.33" | — |
| 1981 | 74° | 52° | 63° | — | — |
| 1980 | 73° | 48° | 61° | — | — |
| 1979 | 68° | 53° | 61° | — | — |
| 1978 | 71° | 49° | 60° | — | — |
| 1977 | 64° | 55° | 60° | — | — |
| 1976 | 82° | 56° | 69° | — | — |
| 1975 | 62° | 50° | 56° | — | — |
| 1974 | 64° | 45° | 54° | — | — |
| 1973 | 61° | 46° | 53° | 0.18" | — |
| 1972 | 65° | 48° | 56° | — | — |
| 1971 | 63° | 46° | 54° | — | — |
55 years of data from EL TORO MCAS