Weather on May 27
San Marcos, CA
55 Years of Data
Avg High
76°F
Avg Low
56°F
Warmest
2020
77°F avg
Coldest
1971
57°F avg
About This Date
May 27th in San Marcos, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 56°F. Over 55 years of records, the warmest May 27th was in 2020 (77°F average), while the coldest was 1971 (57°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 11% of May 27th dates historically. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for May 27th in San Marcos, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 59° | 70° | — | — |
| 2024 | 78° | 58° | 68° | — | — |
| 2023 | 70° | 58° | 64° | — | — |
| 2022 | 79° | 59° | 69° | — | — |
| 2021 | 79° | 57° | 68° | — | — |
| 2020warmest | 91° | 62° | 77° | — | — |
| 2019 | 69° | 52° | 60° | 0.25" | — |
| 2018 | 78° | 58° | 68° | — | — |
| 2017 | 75° | 58° | 66° | — | — |
| 2016 | 77° | 59° | 68° | — | — |
| 2015 | 73° | 59° | 66° | — | — |
| 2014 | 86° | 63° | 74° | — | — |
| 2013 | 76° | 55° | 65° | — | — |
| 2012 | 70° | 51° | 60° | — | — |
| 2011 | 80° | 54° | 67° | — | — |
| 2010 | 68° | 56° | 62° | — | — |
| 2009 | 66° | 61° | 63° | — | — |
| 2008 | 64° | 53° | 59° | — | — |
| 2007 | 64° | 58° | 61° | — | — |
| 2006 | 70° | 60° | 65° | 0.03" | — |
| 2005 | 81° | 58° | 69° | — | — |
| 2004 | 66° | 56° | 61° | — | — |
| 2003 | 86° | 53° | 70° | — | — |
| 2002 | 74° | 55° | 64° | — | — |
| 2001 | 64° | 58° | 61° | 0.36" | — |
| 2000 | 91° | 57° | 74° | — | — |
| 1999 | 81° | 56° | 68° | — | — |
| 1998 | 71° | 50° | 61° | — | — |
| 1997 | 90° | 60° | 75° | — | — |
| 1996 | 74° | 56° | 65° | — | — |
| 1995 | 75° | 55° | 65° | — | — |
| 1994 | 77° | 59° | 68° | — | — |
| 1993 | 76° | 56° | 66° | — | — |
| 1992 | 80° | 62° | 71° | — | — |
| 1991 | 69° | 54° | 61° | — | — |
| 1990 | 71° | 54° | 62° | — | — |
| 1989 | 76° | 57° | 66° | — | — |
| 1988 | 76° | 57° | 66° | — | — |
| 1987 | 66° | 52° | 59° | — | — |
| 1986 | 80° | 58° | 69° | — | — |
| 1985 | 75° | 55° | 65° | — | — |
| 1984 | 84° | 57° | 71° | — | — |
| 1983 | 78° | 59° | 69° | — | — |
| 1982 | 64° | 57° | 61° | 0.15" | — |
| 1981 | 76° | 59° | 67° | 0.2" | — |
| 1980 | 69° | 49° | 59° | — | — |
| 1979 | 78° | 59° | 69° | — | — |
| 1978 | 79° | 49° | 64° | — | — |
| 1977 | 75° | 51° | 63° | — | — |
| 1976 | 75° | 61° | 68° | — | — |
| 1975 | 79° | 55° | 67° | — | — |
| 1974 | 90° | 55° | 72° | — | — |
| 1973 | 87° | 50° | 69° | — | — |
| 1972 | 89° | 54° | 71° | — | — |
| 1971coldest | 65° | 50° | 57° | 0.18" | — |
55 years of data from ESCONDIDO #2