Weather on June 9
San Marcos, CA
55 Years of Data
Avg High
79°F
Avg Low
58°F
Warmest
2015
84°F avg
Coldest
2010
58°F avg
About This Date
June 9th in San Marcos, CA typically brings pleasant summer weather, with average highs around 79°F and lows near 58°F. Over 55 years of records, the warmest June 9th was in 2015 (84°F average), while the coldest was 2010 (58°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 13% of June 9th dates historically, with the wettest June 9th recording 0.58" of rain. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
Planning for June 9th in San Marcos, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 59° | 70° | — | — |
| 2024 | 78° | 61° | 69° | — | — |
| 2023 | 75° | 60° | 68° | — | — |
| 2022 | 91° | 63° | 77° | — | — |
| 2021 | 78° | 58° | 68° | — | — |
| 2020 | 98° | 60° | 79° | — | — |
| 2019 | 94° | 58° | 76° | — | — |
| 2018 | 89° | 59° | 74° | — | — |
| 2017 | 81° | 61° | 71° | — | — |
| 2016 | 80° | 63° | 71° | — | — |
| 2015warmest | 93° | 75° | 84° | — | — |
| 2014 | 87° | 61° | 74° | — | — |
| 2013 | 78° | 59° | 69° | — | — |
| 2012 | 73° | 56° | 64° | — | — |
| 2011 | 70° | 58° | 64° | — | — |
| 2010coldest | 61° | 55° | 58° | — | — |
| 2009 | 68° | 62° | 65° | — | — |
| 2008 | 66° | 59° | 63° | — | — |
| 2007 | 66° | 57° | 62° | — | — |
| 2006 | 67° | 62° | 64° | — | — |
| 2005 | 75° | 59° | 67° | — | — |
| 2004 | 74° | 56° | 65° | — | — |
| 2003 | 66° | 58° | 62° | 0.13" | — |
| 2002 | 65° | 57° | 61° | — | — |
| 2001 | 86° | 60° | 73° | — | — |
| 2000 | 77° | 57° | 67° | 0.08" | — |
| 1999 | 74° | 57° | 65° | — | — |
| 1998 | 71° | 58° | 64° | — | — |
| 1997 | 81° | 64° | 72° | — | — |
| 1996 | 91° | 59° | 75° | — | — |
| 1995 | 77° | 50° | 64° | — | — |
| 1994 | 87° | 57° | 72° | — | — |
| 1993 | 89° | 57° | 73° | — | — |
| 1992 | 79° | 58° | 68° | — | — |
| 1991 | 76° | 55° | 65° | — | — |
| 1990 | 83° | 65° | 74° | 0.58" | — |
| 1989 | 70° | 57° | 63° | 0.03" | — |
| 1988 | 79° | 47° | 63° | — | — |
| 1987 | 79° | 60° | 69° | — | — |
| 1986 | 84° | 59° | 72° | — | — |
| 1985 | 94° | 57° | 75° | — | — |
| 1984 | 84° | 54° | 69° | — | — |
| 1983 | 69° | 58° | 63° | 0.05" | — |
| 1982 | 75° | 50° | 63° | — | — |
| 1981 | 87° | 56° | 71° | — | — |
| 1980 | 85° | 55° | 70° | — | — |
| 1979 | 98° | 50° | 74° | — | — |
| 1978 | 92° | 58° | 75° | — | — |
| 1977 | 68° | 58° | 63° | 0.05" | — |
| 1976 | 70° | 59° | 64° | — | — |
| 1975 | 78° | 50° | 64° | — | — |
| 1974 | 82° | 52° | 67° | — | — |
| 1973 | 87° | 56° | 71° | — | — |
| 1972 | 64° | 59° | 62° | 0.18" | — |
| 1971 | 64° | 54° | 59° | — | — |
55 years of data from ESCONDIDO #2