Weather on March 23
San Marcos, CA
55 Years of Data
Avg High
70°F
Avg Low
49°F
Warmest
2022
71°F avg
Coldest
1973
51°F avg
About This Date
March 23rd in San Marcos, CA typically brings pleasant spring weather, with average highs around 70°F and lows near 49°F. Over 56 years of records, the warmest March 23rd was in 2022 (71°F average), while the coldest was 1973 (51°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 16% of March 23rd dates historically, with the wettest March 23rd recording 1.52" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for March 23rd 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 | 69° | 59° | 64° | — | — |
| 2025 | 77° | 53° | 65° | — | — |
| 2024 | 65° | 53° | 59° | 0.46" | — |
| 2023 | 60° | 49° | 54° | 0.97" | — |
| 2022warmest | 89° | 54° | 71° | — | — |
| 2021 | 64° | 52° | 58° | — | — |
| 2020 | 68° | 55° | 62° | 1.32" | — |
| 2019 | 67° | 49° | 58° | — | — |
| 2018 | 72° | 55° | 63° | 0.23" | — |
| 2017 | 66° | 53° | 60° | 0.64" | — |
| 2016 | 77° | 47° | 62° | — | — |
| 2015 | 73° | 52° | 62° | — | — |
| 2014 | 71° | 53° | 62° | — | — |
| 2013 | 70° | 49° | 59° | — | — |
| 2012 | 70° | 51° | 60° | — | — |
| 2011 | 67° | 41° | 54° | — | — |
| 2010 | 64° | 54° | 59° | — | — |
| 2009 | 63° | 44° | 53° | — | — |
| 2008 | 84° | 55° | 70° | — | — |
| 2007 | 69° | 51° | 60° | — | — |
| 2006 | 72° | 47° | 59° | — | — |
| 2005 | 65° | 50° | 57° | — | — |
| 2004 | 62° | 55° | 59° | — | — |
| 2003 | 74° | 36° | 55° | — | — |
| 2002 | 68° | 49° | 58° | — | — |
| 2001 | 67° | 53° | 60° | — | — |
| 2000 | 69° | 42° | 56° | — | — |
| 1999 | 65° | 50° | 57° | — | — |
| 1998 | 85° | 51° | 68° | — | — |
| 1997 | 68° | 55° | 62° | — | — |
| 1996 | 76° | 52° | 64° | — | — |
| 1995 | 60° | 48° | 54° | 1.52" | — |
| 1994 | 65° | 46° | 55° | — | — |
| 1993 | 75° | 56° | 65° | — | — |
| 1992 | 67° | 54° | 60° | 0.97" | — |
| 1991 | 64° | 42° | 53° | — | — |
| 1990 | 78° | 52° | 65° | — | — |
| 1989 | 70° | 51° | 60° | — | — |
| 1988 | 77° | 47° | 62° | — | — |
| 1987 | 64° | 38° | 51° | — | — |
| 1986 | 82° | 46° | 64° | — | — |
| 1985 | 83° | 42° | 62° | — | — |
| 1984 | 83° | 47° | 65° | — | — |
| 1983 | 65° | 48° | 56° | 0.99" | — |
| 1982 | 72° | 39° | 55° | — | — |
| 1981 | 71° | 53° | 62° | — | — |
| 1980 | 68° | 40° | 54° | — | — |
| 1979 | 65° | 38° | 51° | — | — |
| 1978 | 66° | 52° | 59° | 0.1" | — |
| 1977 | 61° | 50° | 55° | — | — |
| 1976 | 74° | 42° | 58° | — | — |
| 1975 | 68° | 44° | 56° | — | — |
| 1974 | 59° | 50° | 55° | — | — |
| 1973coldest | 64° | 37° | 51° | — | — |
| 1972 | 72° | 49° | 60° | — | — |
| 1971 | 68° | 46° | 57° | — | — |
56 years of data from ESCONDIDO #2