Weather on March 18
El Cajon, CA
55 Years of Data
Avg High
72°F
Avg Low
48°F
Warmest
2026
79°F avg
Coldest
2012
49°F avg
About This Date
March 18th in El Cajon, CA typically brings pleasant spring weather, with average highs around 72°F and lows near 48°F. Over 56 years of records, the warmest March 18th was in 2026 (79°F average), while the coldest was 2012 (49°F). Rain or other precipitation has occurred on about 14% of March 18th dates historically.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 18th in El Cajon, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 89° | 68° | 79° | — | — |
| 2025 | 65° | 49° | 57° | — | — |
| 2024 | 72° | 46° | 59° | 0.36" | — |
| 2023 | 77° | 43° | 60° | — | — |
| 2022 | 79° | 46° | 62° | — | — |
| 2021 | 69° | 43° | 56° | — | — |
| 2020 | 57° | 47° | 52° | — | — |
| 2019 | 77° | 48° | 63° | — | — |
| 2018 | 62° | 45° | 53° | 0.23" | — |
| 2017 | 84° | 54° | 69° | — | — |
| 2016 | 78° | 55° | 67° | — | — |
| 2015 | 71° | 56° | 63° | — | — |
| 2014 | 74° | 54° | 64° | — | — |
| 2013 | 66° | 54° | 60° | — | — |
| 2012coldest | 54° | 44° | 49° | 0.81" | — |
| 2011 | 70° | 44° | 57° | — | — |
| 2010 | 72° | 48° | 60° | — | — |
| 2009 | 88° | 46° | 67° | — | — |
| 2008 | 68° | 45° | 56° | — | — |
| 2007 | 61° | 53° | 57° | — | — |
| 2006 | 57° | 47° | 52° | — | — |
| 2005 | 65° | 52° | 58° | — | — |
| 2004 | 77° | 52° | 64° | — | — |
| 2003 | 70° | 45° | 57° | — | — |
| 2002 | 63° | 43° | 53° | — | — |
| 2001 | 84° | 48° | 66° | — | — |
| 2000 | 85° | 47° | 66° | — | — |
| 1999 | 72° | 41° | 56° | — | — |
| 1998 | 74° | 56° | 65° | — | — |
| 1997 | 91° | 46° | 69° | — | — |
| 1996 | 79° | 54° | 66° | — | — |
| 1995 | 70° | 56° | 63° | — | — |
| 1994 | — | 58° | — | — | — |
| 1993 | 72° | 56° | 64° | — | — |
| 1992 | 67° | 47° | 57° | — | — |
| 1991 | 72° | 38° | 55° | — | — |
| 1990 | 81° | 44° | 62° | — | — |
| 1989 | 76° | 45° | 60° | — | — |
| 1988 | 81° | 40° | 60° | — | — |
| 1987 | 67° | 43° | 55° | — | — |
| 1986 | 68° | 42° | 55° | — | — |
| 1985 | 61° | 48° | 54° | — | — |
| 1984 | 80° | 46° | 63° | — | — |
| 1983 | 62° | 51° | 57° | 2.44" | — |
| 1982 | 60° | 46° | 53° | 4.29" | — |
| 1981 | 75° | 48° | 62° | — | — |
| 1980 | 73° | 44° | 59° | 0.08" | — |
| 1979 | 60° | 41° | 51° | 0.08" | — |
| 1978 | — | 54° | — | — | — |
| 1977 | 63° | 40° | 51° | — | — |
| 1976 | 76° | 45° | 60° | — | — |
| 1975 | 74° | 40° | 57° | — | — |
| 1974 | 67° | 54° | 60° | — | — |
| 1973 | 64° | 50° | 57° | 0.03" | — |
| 1972 | 68° | 51° | 60° | — | — |
| 1971 | 78° | 47° | 62° | — | — |
56 years of data from GILLESPIE FLD