Weather on October 25
San Marcos, CA
55 Years of Data
Avg High
78°F
Avg Low
54°F
Warmest
2019
84°F avg
Coldest
1971
52°F avg
About This Date
October 25th in San Marcos, CA typically brings pleasant fall weather, with average highs around 78°F and lows near 54°F. Over 55 years of records, the warmest October 25th was in 2019 (84°F average), while the coldest was 1971 (52°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 20% of October 25th dates historically, with the wettest October 25th recording 0.58" of rain. The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.
Planning for October 25th in San Marcos, CA? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 57° | 69° | — | — |
| 2024 | 85° | 54° | 69° | — | — |
| 2023 | 68° | 62° | 65° | — | — |
| 2022 | 80° | 49° | 64° | — | — |
| 2021 | 66° | 53° | 60° | 0.25" | — |
| 2020 | 70° | 62° | 66° | 0.18" | — |
| 2019warmest | 95° | 73° | 84° | — | — |
| 2018 | 82° | 55° | 69° | — | — |
| 2017 | 100° | 63° | 81° | — | — |
| 2016 | 76° | 57° | 66° | 0.13" | — |
| 2015 | 84° | 61° | 72° | — | — |
| 2014 | 85° | 62° | 73° | — | — |
| 2013 | 75° | 57° | 66° | — | — |
| 2012 | 77° | 49° | 63° | — | — |
| 2011 | 68° | 60° | 64° | — | — |
| 2010 | 67° | 58° | 62° | 0.58" | — |
| 2009 | 73° | 57° | 65° | — | — |
| 2008 | 80° | 57° | 69° | — | — |
| 2007 | 84° | 62° | 73° | — | — |
| 2006 | 76° | 57° | 66° | — | — |
| 2005 | 65° | 59° | 62° | 0.03" | — |
| 2004 | 65° | 57° | 61° | 0.05" | — |
| 2003 | 71° | 55° | 63° | 0.05" | — |
| 2002 | 67° | 55° | 61° | — | — |
| 2001 | 78° | 51° | 65° | — | — |
| 2000 | 79° | 53° | 66° | — | — |
| 1999 | 89° | 59° | 74° | — | — |
| 1998 | 82° | 58° | 70° | 0.3" | — |
| 1997 | 78° | 46° | 62° | — | — |
| 1996 | 72° | 57° | 64° | — | — |
| 1995 | 79° | 46° | 62° | — | — |
| 1994 | 73° | 53° | 63° | — | — |
| 1993 | 80° | 51° | 66° | — | — |
| 1992 | 78° | 54° | 66° | — | — |
| 1991 | 71° | 53° | 62° | — | — |
| 1990 | 95° | 53° | 74° | — | — |
| 1989 | 72° | 56° | 64° | 0.18" | — |
| 1988 | 77° | 58° | 67° | — | — |
| 1987 | 84° | 58° | 71° | — | — |
| 1986 | 83° | 51° | 67° | — | — |
| 1985 | 81° | 51° | 66° | — | — |
| 1984 | 78° | 49° | 63° | — | — |
| 1983 | 89° | 59° | 74° | — | — |
| 1982 | 83° | 59° | 71° | 0.03" | — |
| 1981 | 75° | 55° | 65° | — | — |
| 1980 | 87° | 47° | 67° | — | — |
| 1979 | 77° | 48° | 63° | — | — |
| 1978 | 73° | 51° | 62° | — | — |
| 1977 | 83° | 55° | 69° | — | — |
| 1976 | 75° | 48° | 62° | — | — |
| 1975 | 76° | 38° | 57° | — | — |
| 1974 | 72° | 49° | 60° | — | — |
| 1973 | 81° | 45° | 63° | — | — |
| 1972 | 76° | 50° | 63° | — | — |
| 1971coldest | 64° | 39° | 52° | 0.03" | — |
55 years of data from ESCONDIDO #2