Weather on June 23
San Marcos, CA
55 Years of Data
Avg High
84°F
Avg Low
60°F
Warmest
2024
84°F avg
Coldest
2003
61°F avg
About This Date
June 23rd in San Marcos, CA typically brings warm summer weather, with average highs around 84°F and lows near 60°F. Over 55 years of records, the warmest June 23rd was in 2024 (84°F average), while the coldest was 2003 (61°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 23rd dates historically. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for June 23rd in San Marcos, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 59° | 69° | — | — |
| 2024warmest | 99° | 70° | 84° | — | — |
| 2023 | 78° | 57° | 68° | — | — |
| 2022 | 93° | 66° | 80° | — | — |
| 2021 | 86° | 63° | 74° | — | — |
| 2020 | 86° | 64° | 75° | — | — |
| 2019 | 83° | 63° | 73° | — | — |
| 2018 | 79° | 63° | 71° | — | — |
| 2017 | 83° | 64° | 73° | — | — |
| 2016 | 87° | 67° | 77° | — | — |
| 2015 | 92° | 62° | 77° | — | — |
| 2014 | 83° | 60° | 71° | — | — |
| 2013 | 75° | 60° | 68° | — | — |
| 2012 | 78° | 59° | 69° | — | — |
| 2011 | 85° | 62° | 73° | — | — |
| 2010 | 70° | 61° | 65° | — | — |
| 2009 | 69° | 59° | 64° | — | — |
| 2008 | 76° | 64° | 70° | — | — |
| 2007 | 89° | 56° | 72° | — | — |
| 2006 | 75° | 63° | 69° | — | — |
| 2005 | 90° | 58° | 74° | — | — |
| 2004 | 82° | 61° | 71° | — | — |
| 2003coldest | 64° | 58° | 61° | 0.13" | — |
| 2002 | 83° | 59° | 71° | — | — |
| 2001 | 94° | 62° | 78° | — | — |
| 2000 | 85° | 63° | 74° | — | — |
| 1999 | 85° | 53° | 69° | — | — |
| 1998 | 80° | 60° | 70° | — | — |
| 1997 | 82° | 61° | 71° | — | — |
| 1996 | 80° | 61° | 70° | — | — |
| 1995 | 84° | 58° | 71° | — | — |
| 1994 | 93° | 61° | 77° | — | — |
| 1993 | 88° | 60° | 74° | — | — |
| 1992 | 98° | 66° | 82° | — | — |
| 1991 | 74° | 55° | 64° | — | — |
| 1990 | 87° | 60° | 74° | — | — |
| 1989 | 82° | 60° | 71° | — | — |
| 1988 | 78° | 58° | 68° | — | — |
| 1987 | 81° | 59° | 70° | — | — |
| 1986 | 77° | 63° | 70° | — | — |
| 1985 | 81° | 55° | 68° | — | — |
| 1984 | 88° | 55° | 71° | — | — |
| 1983 | 82° | 55° | 69° | — | — |
| 1982 | 69° | 58° | 63° | — | — |
| 1981 | 94° | 60° | 77° | — | — |
| 1980 | 87° | 52° | 69° | — | — |
| 1979 | 83° | 54° | 68° | — | — |
| 1978 | 100° | 62° | 81° | — | — |
| 1977 | 81° | 56° | 68° | — | — |
| 1976 | 98° | 55° | 77° | — | — |
| 1975 | 76° | 58° | 67° | — | — |
| 1974 | 92° | 54° | 73° | — | — |
| 1973 | 94° | 59° | 76° | — | — |
| 1972 | 76° | 59° | 67° | — | — |
| 1971 | 87° | 58° | 72° | — | — |
55 years of data from ESCONDIDO #2