Weather on October 22
San Marcos, CA
55 Years of Data
Avg High
80°F
Avg Low
56°F
Warmest
1998
83°F avg
Coldest
2004
60°F avg
About This Date
October 22nd 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 22nd was in 1998 (83°F average), while the coldest was 2004 (60°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 13% of October 22nd dates historically, with the wettest October 22nd recording 0.89" of rain. The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
Planning for October 22nd in San Marcos, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 59° | 67° | — | — |
| 2024 | 88° | 55° | 71° | — | — |
| 2023 | 80° | 63° | 71° | — | — |
| 2022 | 76° | 65° | 70° | — | — |
| 2021 | 74° | 53° | 63° | — | — |
| 2020 | 78° | 64° | 71° | — | — |
| 2019 | 96° | 58° | 77° | — | — |
| 2018 | 78° | 58° | 68° | — | — |
| 2017 | 93° | 55° | 74° | — | — |
| 2016 | 92° | 54° | 73° | — | — |
| 2015 | 81° | 60° | 70° | — | — |
| 2014 | 88° | 55° | 71° | — | — |
| 2013 | 77° | 54° | 65° | — | — |
| 2012 | 72° | 60° | 66° | 0.28" | — |
| 2011 | 84° | 54° | 69° | — | — |
| 2010 | 66° | 59° | 63° | 0.05" | — |
| 2009 | 77° | 56° | 66° | — | — |
| 2008 | 93° | 55° | 74° | — | — |
| 2007 | 89° | 69° | 79° | — | — |
| 2006 | 92° | 52° | 72° | — | — |
| 2005 | 63° | 60° | 61° | — | — |
| 2004coldest | 70° | 50° | 60° | — | — |
| 2003 | 78° | 59° | 69° | — | — |
| 2002 | 69° | 59° | 64° | — | — |
| 2001 | 75° | 57° | 66° | — | — |
| 2000 | 71° | 51° | 61° | 0.38" | — |
| 1999 | 93° | 52° | 72° | — | — |
| 1998warmest | 86° | 80° | 83° | — | — |
| 1997 | 76° | 55° | 65° | — | — |
| 1996 | 78° | 45° | 61° | — | — |
| 1995 | 75° | 59° | 67° | — | — |
| 1994 | 75° | 53° | 64° | — | — |
| 1993 | 99° | 59° | 79° | — | — |
| 1992 | 84° | 57° | 71° | 0.38" | — |
| 1991 | 68° | 63° | 65° | — | — |
| 1990 | 86° | 50° | 68° | — | — |
| 1989 | 76° | 62° | 69° | 0.89" | — |
| 1988 | 77° | 60° | 69° | — | — |
| 1987 | 81° | 56° | 68° | 0.64" | — |
| 1986 | 78° | 56° | 67° | — | — |
| 1985 | 72° | 53° | 62° | 0.2" | — |
| 1984 | 79° | 48° | 63° | — | — |
| 1983 | 88° | 55° | 71° | — | — |
| 1982 | 87° | 54° | 70° | — | — |
| 1981 | 82° | 47° | 64° | — | — |
| 1980 | 84° | 48° | 66° | — | — |
| 1979 | 78° | 46° | 62° | — | — |
| 1978 | 77° | 59° | 68° | — | — |
| 1977 | 78° | 49° | 63° | — | — |
| 1976 | 74° | 62° | 68° | — | — |
| 1975 | 67° | 58° | 62° | — | — |
| 1974 | 70° | 52° | 61° | — | — |
| 1973 | 70° | 53° | 61° | — | — |
| 1972 | 75° | 49° | 62° | — | — |
| 1971 | 89° | 44° | 67° | — | — |
55 years of data from ESCONDIDO #2