Weather on May 28
San Marcos, CA
55 Years of Data
Avg High
78°F
Avg Low
56°F
Warmest
1973
79°F avg
Coldest
1971
55°F avg
About This Date
May 28th in San Marcos, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 56°F. Over 55 years of records, the warmest May 28th was in 1973 (79°F average), while the coldest was 1971 (55°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 7% of May 28th dates historically, with the wettest May 28th recording 2.03" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for May 28th in San Marcos, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 59° | 66° | — | — |
| 2024 | 79° | 57° | 68° | — | — |
| 2023 | 71° | 58° | 64° | — | — |
| 2022 | 71° | 59° | 65° | — | — |
| 2021 | 79° | 55° | 67° | — | — |
| 2020 | 86° | 63° | 74° | — | — |
| 2019 | 75° | 49° | 62° | — | — |
| 2018 | 80° | 59° | 70° | — | — |
| 2017 | 78° | 52° | 65° | — | — |
| 2016 | 78° | 60° | 69° | — | — |
| 2015 | 79° | 59° | 69° | — | — |
| 2014 | 85° | 61° | 73° | — | — |
| 2013 | 79° | 60° | 69° | — | — |
| 2012 | 78° | 54° | 66° | — | — |
| 2011 | 72° | 56° | 64° | — | — |
| 2010 | 65° | 55° | 60° | — | — |
| 2009 | 62° | 60° | 61° | — | — |
| 2008 | 65° | 53° | 59° | — | — |
| 2007 | 65° | 57° | 61° | — | — |
| 2006 | 70° | 56° | 63° | — | — |
| 2005 | 79° | 52° | 65° | — | — |
| 2004 | 73° | 58° | 65° | — | — |
| 2003 | 95° | 43° | 69° | — | — |
| 2002 | 80° | 53° | 67° | — | — |
| 2001 | 67° | 58° | 62° | 0.56" | — |
| 2000 | 97° | 61° | 79° | — | — |
| 1999 | 83° | 52° | 67° | — | — |
| 1998 | 75° | 50° | 63° | — | — |
| 1997 | 97° | 60° | 78° | — | — |
| 1996 | 76° | 57° | 66° | — | — |
| 1995 | 75° | 56° | 65° | — | — |
| 1994 | 82° | 52° | 67° | — | — |
| 1993 | 77° | 58° | 67° | — | — |
| 1992 | 77° | 60° | 69° | — | — |
| 1991 | 72° | 54° | 63° | — | — |
| 1990 | 72° | 54° | 63° | 2.03" | — |
| 1989 | 74° | 55° | 64° | — | — |
| 1988 | 73° | 58° | 65° | — | — |
| 1987 | 70° | 53° | 61° | — | — |
| 1986 | 83° | 58° | 70° | — | — |
| 1985 | 76° | 52° | 64° | — | — |
| 1984 | 97° | 55° | 76° | — | — |
| 1983 | 85° | 61° | 73° | — | — |
| 1982 | 74° | 57° | 65° | — | — |
| 1981 | 78° | 59° | 69° | — | — |
| 1980 | 72° | 46° | 59° | — | — |
| 1979 | 71° | 58° | 64° | — | — |
| 1978 | 93° | 52° | 72° | — | — |
| 1977 | 75° | 56° | 65° | — | — |
| 1976 | 69° | 56° | 62° | 0.1" | — |
| 1975 | 77° | 54° | 65° | — | — |
| 1974 | 80° | 57° | 69° | — | — |
| 1973warmest | 101° | 57° | 79° | — | — |
| 1972 | 91° | 61° | 76° | — | — |
| 1971coldest | 65° | 46° | 55° | 2.01" | — |
55 years of data from ESCONDIDO #2