Weather on March 16
San Marcos, CA
55 Years of Data
Avg High
71°F
Avg Low
48°F
Warmest
2015
75°F avg
Coldest
1991
47°F avg
About This Date
March 16th in San Marcos, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 48°F. Over 56 years of records, the warmest March 16th was in 2015 (75°F average), while the coldest was 1991 (47°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 20% of March 16th dates historically, with the wettest March 16th recording 3.63" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for March 16th in San Marcos, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 94° | 55° | 74° | — | — |
| 2025 | 74° | 43° | 58° | — | — |
| 2024 | 69° | 47° | 58° | 0.38" | — |
| 2023 | 61° | 49° | 55° | 0.05" | — |
| 2022 | 75° | 49° | 62° | — | — |
| 2021 | 63° | 41° | 52° | 0.18" | — |
| 2020 | 64° | 53° | 59° | — | — |
| 2019 | 79° | 45° | 62° | — | — |
| 2018 | 62° | 47° | 54° | — | — |
| 2017 | 83° | 53° | 68° | — | — |
| 2016 | 87° | 52° | 69° | — | — |
| 2015warmest | 92° | 59° | 75° | — | — |
| 2014 | 91° | 51° | 71° | — | — |
| 2013 | 69° | 48° | 59° | — | — |
| 2012 | 68° | 53° | 61° | — | — |
| 2011 | 76° | 51° | 63° | — | — |
| 2010 | 83° | 55° | 69° | — | — |
| 2009 | 64° | 46° | 55° | — | — |
| 2008 | 58° | 45° | 51° | — | — |
| 2007 | 61° | 51° | 56° | — | — |
| 2006 | 59° | 47° | 53° | — | — |
| 2005 | 75° | 42° | 59° | — | — |
| 2004 | 64° | 51° | 58° | — | — |
| 2003 | 59° | 52° | 55° | 3.63" | — |
| 2002 | 59° | 43° | 51° | 0.48" | — |
| 2001 | 68° | 52° | 60° | — | — |
| 2000 | 74° | 53° | 63° | — | — |
| 1999 | 61° | 39° | 50° | — | — |
| 1998 | 65° | 56° | 60° | — | — |
| 1997 | 69° | 59° | 64° | — | — |
| 1996 | 71° | 45° | 58° | — | — |
| 1995 | 74° | — | — | — | — |
| 1994 | 80° | 49° | 64° | — | — |
| 1993 | 77° | 53° | 65° | — | — |
| 1992 | 67° | 47° | 57° | — | — |
| 1991coldest | 61° | 34° | 47° | 0.43" | — |
| 1990 | 80° | 47° | 63° | — | — |
| 1989 | 68° | 49° | 58° | — | — |
| 1988 | 65° | 50° | 57° | — | — |
| 1987 | 64° | 44° | 54° | 0.84" | — |
| 1986 | 61° | 44° | 52° | 2.79" | — |
| 1985 | 64° | 50° | 57° | — | — |
| 1984 | 70° | 46° | 58° | — | — |
| 1983 | 71° | 41° | 56° | — | — |
| 1982 | 61° | 41° | 51° | 0.18" | — |
| 1981 | 72° | 45° | 58° | — | — |
| 1980 | 72° | 48° | 60° | — | — |
| 1979 | 60° | 46° | 53° | 0.15" | — |
| 1978 | 85° | 58° | 71° | — | — |
| 1977 | 61° | 41° | 51° | 0.43" | — |
| 1976 | 79° | 46° | 62° | — | — |
| 1975 | 58° | 46° | 52° | — | — |
| 1974 | 81° | 44° | 62° | — | — |
| 1973 | 72° | 38° | 55° | — | — |
| 1972 | 74° | 51° | 62° | — | — |
| 1971 | 86° | 40° | 63° | — | — |
56 years of data from ESCONDIDO #2