Weather on March 20
El Cajon, CA
55 Years of Data
Avg High
73°F
Avg Low
49°F
Warmest
2026
82°F avg
Coldest
1982
52°F avg
About This Date
March 20th in El Cajon, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 49°F. Over 56 years of records, the warmest March 20th was in 2026 (82°F average), while the coldest was 1982 (52°F). Rain or other precipitation has occurred on about 13% of March 20th dates historically.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for March 20th in El Cajon, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 98° | 66° | 82° | — | — |
| 2025 | 76° | 44° | 60° | — | — |
| 2024 | 72° | 47° | 59° | — | — |
| 2023 | 62° | 54° | 58° | 0.15" | — |
| 2022 | 66° | 51° | 59° | 0.64" | — |
| 2021 | 68° | 52° | 60° | — | — |
| 2020 | 64° | 47° | 55° | — | — |
| 2019 | 67° | 51° | 59° | 0.25" | — |
| 2018 | 76° | 46° | 61° | — | — |
| 2017 | 71° | 57° | 64° | — | — |
| 2016 | 78° | 52° | 65° | — | — |
| 2015 | 81° | 54° | 67° | — | — |
| 2014 | 76° | 47° | 61° | — | — |
| 2013 | 74° | 53° | 63° | — | — |
| 2012 | 71° | 39° | 55° | — | — |
| 2011 | 60° | 51° | 56° | — | — |
| 2010 | 81° | 47° | 64° | — | — |
| 2009 | 78° | 50° | 64° | — | — |
| 2008 | 68° | 50° | 59° | — | — |
| 2007 | 64° | 52° | 58° | — | — |
| 2006 | 60° | 47° | 53° | — | — |
| 2005 | 66° | 50° | 58° | 0.38" | — |
| 2004 | 83° | 53° | 68° | — | — |
| 2003 | 66° | 47° | 56° | — | — |
| 2002 | 84° | 42° | 63° | — | — |
| 2001 | 87° | 51° | 69° | — | — |
| 2000 | 75° | 53° | 64° | — | — |
| 1999 | 74° | 42° | 58° | — | — |
| 1998 | 77° | 49° | 63° | — | — |
| 1997 | 97° | 50° | 73° | — | — |
| 1996 | 80° | 51° | 66° | — | — |
| 1995 | 69° | 57° | 63° | — | — |
| 1994 | 70° | 56° | 63° | — | — |
| 1993 | 76° | 56° | 66° | — | — |
| 1992 | 67° | 47° | 57° | — | — |
| 1991 | 60° | 52° | 56° | 2.95" | — |
| 1990 | 87° | 52° | 69° | — | — |
| 1989 | 80° | 52° | 66° | — | — |
| 1988 | 89° | 40° | 64° | — | — |
| 1987 | 66° | 41° | 54° | — | — |
| 1986 | 81° | 43° | 62° | — | — |
| 1985 | 77° | 46° | 62° | — | — |
| 1984 | 79° | 46° | 62° | — | — |
| 1983 | 64° | 43° | 53° | — | — |
| 1982coldest | 67° | 38° | 52° | — | — |
| 1981 | 69° | 53° | 61° | — | — |
| 1980 | 73° | 44° | 59° | — | — |
| 1979 | 59° | 47° | 53° | 1.07" | — |
| 1978 | 69° | 54° | 61° | — | — |
| 1977 | 68° | 38° | 53° | — | — |
| 1976 | 79° | 43° | 61° | — | — |
| 1975 | 73° | 49° | 61° | — | — |
| 1974 | 64° | 52° | 58° | — | — |
| 1973 | 59° | 49° | 54° | 1.4" | — |
| 1972 | 71° | 55° | 63° | — | — |
| 1971 | 73° | 40° | 56° | — | — |
56 years of data from GILLESPIE FLD