Weather on October 12
San Marcos, CA
55 Years of Data
Avg High
80°F
Avg Low
56°F
Warmest
2015
82°F avg
Coldest
1975
60°F avg
About This Date
October 12th in San Marcos, CA typically brings warm fall weather, with average highs around 80°F and lows near 56°F. Over 55 years of records, the warmest October 12th was in 2015 (82°F average), while the coldest was 1975 (60°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 11% of October 12th dates historically, with the wettest October 12th recording 1.12" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for October 12th in San Marcos, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 59° | 71° | — | — |
| 2024 | 91° | 56° | 73° | — | — |
| 2023 | 82° | 60° | 71° | — | — |
| 2022 | 80° | 66° | 73° | 0.08" | — |
| 2021 | 73° | 52° | 62° | — | — |
| 2020 | 98° | 60° | 79° | — | — |
| 2019 | 84° | 52° | 68° | — | — |
| 2018 | 81° | 55° | 68° | — | — |
| 2017 | 77° | 61° | 69° | — | — |
| 2016 | 74° | 60° | 67° | — | — |
| 2015warmest | 95° | 70° | 82° | — | — |
| 2014 | 82° | 61° | 71° | — | — |
| 2013 | 74° | 56° | 65° | — | — |
| 2012 | 69° | 55° | 62° | 1.12" | — |
| 2011 | 101° | 59° | 80° | — | — |
| 2010 | 81° | 61° | 71° | — | — |
| 2009 | 68° | 61° | 64° | 0.05" | — |
| 2008 | 71° | 50° | 61° | — | — |
| 2007 | 66° | 60° | 63° | 0.05" | — |
| 2006 | 72° | 52° | 62° | — | — |
| 2005 | 69° | 59° | 64° | — | — |
| 2004 | 71° | 63° | 67° | — | — |
| 2003 | 75° | 61° | 68° | — | — |
| 2002 | 74° | 55° | 64° | — | — |
| 2001 | 86° | 54° | 70° | — | — |
| 2000 | 71° | 51° | 61° | — | — |
| 1999 | 92° | 56° | 74° | — | — |
| 1998 | 79° | 55° | 67° | — | — |
| 1997 | 79° | 47° | 63° | — | — |
| 1996 | 79° | 51° | 65° | — | — |
| 1995 | 78° | 59° | 69° | — | — |
| 1994 | 87° | 54° | 70° | — | — |
| 1993 | 81° | 56° | 68° | — | — |
| 1992 | 82° | 55° | 69° | — | — |
| 1991 | 92° | 64° | 78° | — | — |
| 1990 | 89° | 52° | 70° | — | — |
| 1989 | 74° | 54° | 64° | — | — |
| 1988 | 82° | 59° | 71° | — | — |
| 1987 | 71° | 66° | 69° | — | — |
| 1986 | 76° | 61° | 68° | — | — |
| 1985 | 77° | 50° | 64° | — | — |
| 1984 | 80° | 61° | 70° | 0.13" | — |
| 1983 | 93° | 57° | 75° | — | — |
| 1982 | 86° | 49° | 67° | — | — |
| 1981 | 72° | 48° | 60° | — | — |
| 1980 | 78° | 57° | 68° | — | — |
| 1979 | 75° | 59° | 67° | — | — |
| 1978 | 89° | 52° | 70° | — | — |
| 1977 | 85° | 56° | 70° | — | — |
| 1976 | 82° | 55° | 69° | — | — |
| 1975coldest | 69° | 51° | 60° | — | — |
| 1974 | 80° | 55° | 68° | — | — |
| 1973 | 80° | 43° | 61° | — | — |
| 1972 | 75° | 58° | 66° | 0.03" | — |
| 1971 | 89° | 52° | 70° | — | — |
55 years of data from ESCONDIDO #2