Weather on March 20
Mission Viejo, CA
55 Years of Data
Avg High
70°F
Avg Low
50°F
Warmest
2026
80°F avg
Coldest
2006
49°F avg
About This Date
March 20th in Mission Viejo, CA typically brings pleasant spring weather, with average highs around 70°F and lows near 50°F. Over 56 years of records, the warmest March 20th was in 2026 (80°F average), while the coldest was 2006 (49°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 11% of March 20th dates historically, with the wettest March 20th recording 8.05" of rain. 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 March 20th in Mission Viejo, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 93° | 66° | 80° | — | — |
| 2025 | 71° | 52° | 61° | — | — |
| 2024 | 72° | 50° | 61° | — | — |
| 2023 | 60° | 51° | 56° | — | — |
| 2022 | 69° | 49° | 59° | — | — |
| 2021 | 67° | 48° | 57° | — | — |
| 2020 | 62° | 49° | 55° | — | — |
| 2019 | 62° | 51° | 57° | — | — |
| 2018 | 72° | 53° | 62° | — | — |
| 2017 | 67° | 52° | 59° | — | — |
| 2016 | 73° | 48° | 61° | — | — |
| 2015 | 82° | 54° | 68° | — | — |
| 2014 | 74° | 51° | 62° | — | — |
| 2013 | 71° | 49° | 60° | — | — |
| 2012 | 69° | 42° | 56° | — | — |
| 2011 | 57° | 45° | 51° | — | — |
| 2010 | 79° | 51° | 65° | — | — |
| 2009 | 66° | 47° | 56° | — | — |
| 2008 | 69° | 45° | 57° | — | — |
| 2007 | 61° | 50° | 55° | — | — |
| 2006coldest | 55° | 43° | 49° | — | — |
| 2005 | 69° | 47° | 58° | — | — |
| 2004 | 79° | 51° | 65° | — | — |
| 2003 | 66° | 43° | 54° | — | — |
| 2002 | 84° | 51° | 68° | — | — |
| 2001 | 81° | 52° | 66° | — | — |
| 2000 | 68° | 51° | 60° | — | — |
| 1999 | 60° | 45° | 52° | — | — |
| 1998 | 68° | 52° | 60° | — | — |
| 1997 | 90° | 54° | 72° | — | — |
| 1996 | 69° | 53° | 61° | — | — |
| 1995 | 69° | 59° | 64° | — | — |
| 1994 | 69° | 54° | 61° | — | — |
| 1993 | 73° | 58° | 65° | — | — |
| 1992 | 64° | 54° | 59° | 8.05" | — |
| 1991 | 59° | 47° | 53° | 1.6" | — |
| 1990 | 85° | 57° | 71° | — | — |
| 1989 | 82° | 53° | 68° | — | — |
| 1988 | 85° | 54° | 69° | — | — |
| 1987 | 68° | 44° | 56° | — | — |
| 1986 | 80° | 49° | 64° | — | — |
| 1985 | 72° | 44° | 58° | — | — |
| 1984 | 82° | 54° | 68° | — | — |
| 1983 | 62° | 45° | 53° | — | — |
| 1982 | 67° | 43° | 55° | — | — |
| 1981 | 63° | 48° | 55° | 0.23" | — |
| 1980 | 72° | 49° | 60° | — | — |
| 1979 | 59° | 48° | 54° | 1.22" | — |
| 1978 | 68° | 56° | 62° | — | — |
| 1977 | 66° | 43° | 54° | — | — |
| 1976 | 76° | 46° | 61° | — | — |
| 1975 | 62° | 48° | 55° | 0.03" | — |
| 1974 | 57° | 47° | 52° | — | — |
| 1973 | 58° | 46° | 52° | 2.39" | — |
| 1972 | 69° | 53° | 61° | — | — |
| 1971 | 68° | 43° | 55° | — | — |
56 years of data from EL TORO MCAS