Weather on May 30
San Marcos, CA
55 Years of Data
Avg High
78°F
Avg Low
57°F
Warmest
2025
79°F avg
Coldest
1971
58°F avg
About This Date
May 30th in San Marcos, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 57°F. Over 55 years of records, the warmest May 30th was in 2025 (79°F average), while the coldest was 1971 (58°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 30th dates historically. 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 May 30th in San Marcos, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 96° | 62° | 79° | — | — |
| 2024 | 83° | 56° | 69° | — | — |
| 2023 | 69° | 57° | 63° | 0.13" | — |
| 2022 | 79° | 59° | 69° | — | — |
| 2021 | 79° | 58° | 68° | — | — |
| 2020 | 79° | 62° | 70° | — | — |
| 2019 | 80° | 58° | 69° | — | — |
| 2018 | 76° | 59° | 67° | 0.08" | — |
| 2017 | 74° | 59° | 66° | — | — |
| 2016 | 75° | 60° | 68° | — | — |
| 2015 | 83° | 58° | 70° | — | — |
| 2014 | 83° | 57° | 70° | — | — |
| 2013 | 85° | 60° | 72° | — | — |
| 2012 | 79° | 58° | 68° | — | — |
| 2011 | 79° | 49° | 64° | — | — |
| 2010 | 68° | 55° | 62° | — | — |
| 2009 | 64° | 59° | 62° | — | — |
| 2008 | 67° | 59° | 63° | — | — |
| 2007 | 67° | 56° | 61° | — | — |
| 2006 | 74° | 58° | 66° | — | — |
| 2005 | 79° | 58° | 68° | — | — |
| 2004 | 85° | 54° | 69° | — | — |
| 2003 | 81° | 60° | 70° | — | — |
| 2002 | 86° | 55° | 71° | — | — |
| 2001 | 82° | 57° | 70° | — | — |
| 2000 | 83° | 60° | 71° | — | — |
| 1999 | 64° | 56° | 60° | 0.05" | — |
| 1998 | 76° | 49° | 62° | — | — |
| 1997 | 94° | 61° | 77° | — | — |
| 1996 | 73° | 56° | 64° | — | — |
| 1995 | 83° | 57° | 70° | — | — |
| 1994 | 83° | 59° | 71° | — | — |
| 1993 | 83° | 54° | 68° | — | — |
| 1992 | 81° | 62° | 71° | — | — |
| 1991 | 64° | 55° | 60° | — | — |
| 1990 | 71° | 56° | 63° | — | — |
| 1989 | 74° | 56° | 65° | — | — |
| 1988 | 70° | 49° | 59° | — | — |
| 1987 | 76° | 56° | 66° | — | — |
| 1986 | 78° | 62° | 70° | — | — |
| 1985 | 82° | 56° | 69° | — | — |
| 1984 | 82° | 62° | 72° | — | — |
| 1983 | 79° | 57° | 68° | — | — |
| 1982 | 76° | 55° | 65° | — | — |
| 1981 | 81° | 59° | 70° | — | — |
| 1980 | 72° | 50° | 61° | — | — |
| 1979 | 74° | 53° | 63° | — | — |
| 1978 | 88° | 58° | 73° | — | — |
| 1977 | 81° | 50° | 65° | — | — |
| 1976 | 68° | 55° | 62° | — | — |
| 1975 | 81° | 55° | 68° | — | — |
| 1974 | 73° | 56° | 64° | — | — |
| 1973 | 74° | 59° | 66° | — | — |
| 1972 | 90° | 60° | 75° | — | — |
| 1971coldest | 63° | 53° | 58° | — | — |
55 years of data from ESCONDIDO #2