Weather on March 19
San Marcos, CA
55 Years of Data
Avg High
72°F
Avg Low
49°F
Warmest
1997
72°F avg
Coldest
1979
51°F avg
About This Date
March 19th in San Marcos, CA typically brings pleasant spring weather, with average highs around 72°F and lows near 49°F. Over 56 years of records, the warmest March 19th was in 1997 (72°F average), while the coldest was 1979 (51°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 18% of March 19th dates historically, with the wettest March 19th recording 3.18" 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 19th in San Marcos, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 82° | 60° | 71° | — | — |
| 2025 | 81° | 45° | 63° | — | — |
| 2024 | 76° | 47° | 61° | — | — |
| 2023 | 66° | 57° | 62° | — | — |
| 2022 | 72° | 52° | 62° | — | — |
| 2021 | 74° | 46° | 60° | — | — |
| 2020 | 62° | 48° | 55° | 1.22" | — |
| 2019 | 72° | 52° | 62° | — | — |
| 2018 | 74° | 47° | 60° | — | — |
| 2017 | 82° | 52° | 67° | — | — |
| 2016 | 75° | 56° | 65° | — | — |
| 2015 | 76° | 59° | 67° | — | — |
| 2014 | 80° | 53° | 67° | — | — |
| 2013 | 73° | 54° | 63° | — | — |
| 2012 | 59° | 45° | 52° | 0.46" | — |
| 2011 | 63° | 45° | 54° | — | — |
| 2010 | 64° | 53° | 59° | — | — |
| 2009 | 63° | 49° | 56° | — | — |
| 2008 | 60° | 50° | 55° | — | — |
| 2007 | 63° | 56° | 59° | — | — |
| 2006 | 57° | 47° | 52° | — | — |
| 2005 | 65° | 49° | 57° | 0.58" | — |
| 2004 | 62° | 55° | 59° | — | — |
| 2003 | 62° | 47° | 54° | — | — |
| 2002 | 64° | 41° | 53° | — | — |
| 2001 | 89° | 48° | 69° | — | — |
| 2000 | 80° | 48° | 64° | — | — |
| 1999 | 74° | 42° | 58° | — | — |
| 1998 | 76° | 52° | 64° | 0.41" | — |
| 1997warmest | 96° | 49° | 72° | — | — |
| 1996 | 82° | 52° | 67° | — | — |
| 1995 | 71° | 54° | 62° | — | — |
| 1994 | 73° | 53° | 63° | 3.18" | — |
| 1993 | 78° | 48° | 63° | — | — |
| 1992 | 73° | 45° | 59° | — | — |
| 1991 | 71° | 39° | 55° | — | — |
| 1990 | 85° | 48° | 66° | — | — |
| 1989 | 75° | 47° | 61° | — | — |
| 1988 | 85° | 46° | 65° | — | — |
| 1987 | 62° | 44° | 53° | — | — |
| 1986 | 74° | 40° | 57° | — | — |
| 1985 | 66° | 47° | 56° | 0.18" | — |
| 1984 | 85° | 46° | 65° | — | — |
| 1983 | 65° | 61° | 63° | 0.86" | — |
| 1982 | 61° | 41° | 51° | 0.79" | — |
| 1981 | 71° | 50° | 61° | — | — |
| 1980 | 68° | 40° | 54° | 0.1" | — |
| 1979coldest | 57° | 45° | 51° | 1.5" | — |
| 1978 | 70° | 51° | 60° | — | — |
| 1977 | 69° | 39° | 54° | — | — |
| 1976 | 66° | 46° | 56° | — | — |
| 1975 | 74° | 44° | 59° | — | — |
| 1974 | 68° | 52° | 60° | — | — |
| 1973 | 63° | 44° | 53° | — | — |
| 1972 | 70° | 50° | 60° | — | — |
| 1971 | 81° | 41° | 61° | — | — |
56 years of data from ESCONDIDO #2