Weather on June 27
San Marcos, CA
55 Years of Data
Avg High
87°F
Avg Low
60°F
Warmest
1990
88°F avg
Coldest
2008
65°F avg
About This Date
June 27th in San Marcos, CA typically brings warm summer weather, with average highs around 87°F and lows near 60°F — a 27°F daily swing. Over 55 years of records, the warmest June 27th was in 1990 (88°F average), while the coldest was 2008 (65°F) — a 23°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
Planning for June 27th in San Marcos, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 60° | 74° | — | — |
| 2024 | 87° | 65° | 76° | — | — |
| 2023 | 84° | 58° | 71° | — | — |
| 2022 | 97° | 64° | 80° | — | — |
| 2021 | 90° | 62° | 76° | — | — |
| 2020 | 86° | 63° | 74° | — | — |
| 2019 | 81° | 60° | 70° | — | — |
| 2018 | 87° | 60° | 74° | — | — |
| 2017 | 100° | 64° | 82° | — | — |
| 2016 | 96° | 67° | 81° | — | — |
| 2015 | 85° | 64° | 74° | — | — |
| 2014 | 81° | 65° | 73° | — | — |
| 2013 | 98° | 65° | 81° | — | — |
| 2012 | 87° | 56° | 71° | — | — |
| 2011 | 89° | 58° | 73° | — | — |
| 2010 | 70° | 62° | 66° | — | — |
| 2009 | 72° | 62° | 67° | — | — |
| 2008coldest | 69° | 61° | 65° | — | — |
| 2007 | 87° | 56° | 71° | — | — |
| 2006 | 97° | — | — | — | — |
| 2005 | 81° | 57° | 69° | — | — |
| 2004 | 89° | 57° | 73° | — | — |
| 2003 | 71° | 60° | 66° | — | — |
| 2002 | 83° | 55° | 69° | — | — |
| 2001 | 87° | 57° | 72° | — | — |
| 2000 | 93° | 64° | 79° | — | — |
| 1999 | 83° | 57° | 70° | — | — |
| 1998 | 84° | 62° | 73° | — | — |
| 1997 | 83° | 60° | 71° | — | — |
| 1996 | 75° | 58° | 66° | — | — |
| 1995 | 86° | 61° | 73° | — | — |
| 1994 | 96° | 67° | 81° | — | — |
| 1993 | 85° | 65° | 75° | — | — |
| 1992 | 85° | 58° | 71° | — | — |
| 1991 | 75° | 58° | 66° | — | — |
| 1990warmest | 103° | 73° | 88° | — | — |
| 1989 | 82° | 59° | 71° | — | — |
| 1988 | 87° | 62° | 75° | — | — |
| 1987 | 81° | 57° | 69° | — | — |
| 1986 | 88° | 60° | 74° | — | — |
| 1985 | 101° | 56° | 78° | — | — |
| 1984 | 95° | 61° | 78° | — | — |
| 1983 | 78° | 61° | 69° | — | — |
| 1982 | 82° | 57° | 70° | — | — |
| 1981 | 88° | 62° | 75° | — | — |
| 1980 | 97° | 62° | 79° | — | — |
| 1979 | 101° | 59° | 80° | — | — |
| 1978 | 76° | 60° | 68° | — | — |
| 1977 | 83° | 57° | 70° | — | — |
| 1976 | 104° | 60° | 82° | — | — |
| 1975 | 83° | 50° | 66° | — | — |
| 1974 | 98° | 59° | 79° | — | — |
| 1973 | 87° | 61° | 74° | — | — |
| 1972 | 84° | 55° | 70° | — | — |
| 1971 | 82° | 58° | 70° | — | — |
55 years of data from ESCONDIDO #2