Weather on October 16
San Marcos, CA
55 Years of Data
About This Date
October 16th 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 16th was in 2020 (81°F average), while the coldest was 1971 (56°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 11% of October 16th dates historically, with the wettest October 16th recording 1.22" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for October 16th in San Marcos, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 49° | 63° | — | — |
| 2024 | 68° | 62° | 65° | — | — |
| 2023 | 88° | 57° | 72° | — | — |
| 2022 | 74° | 62° | 68° | 0.18" | — |
| 2021 | 91° | 51° | 71° | — | — |
| 2020warmest | 101° | 62° | 81° | — | — |
| 2019 | 93° | 58° | 75° | — | — |
| 2018 | 81° | 49° | 65° | — | — |
| 2017 | 98° | 59° | 79° | — | — |
| 2016 | 78° | 63° | 70° | — | — |
| 2015 | 73° | 69° | 71° | — | — |
| 2014 | 78° | 62° | 70° | — | — |
| 2013 | 87° | 57° | 72° | — | — |
| 2012 | 91° | 58° | 74° | — | — |
| 2011 | 79° | 59° | 69° | — | — |
| 2010 | 69° | 61° | 65° | 0.1" | — |
| 2009 | 85° | 60° | 72° | 0.03" | — |
| 2008 | 81° | 57° | 69° | — | — |
| 2007 | 66° | 60° | 63° | — | — |
| 2006 | 64° | 59° | 62° | — | — |
| 2005 | 70° | 58° | 64° | 0.89" | — |
| 2004 | 76° | 60° | 68° | — | — |
| 2003 | 73° | 56° | 64° | — | — |
| 2002 | 64° | 58° | 61° | — | — |
| 2001 | 82° | 56° | 69° | — | — |
| 2000 | 81° | 52° | 66° | — | — |
| 1999 | 79° | 64° | 71° | — | — |
| 1998 | 74° | 56° | 65° | — | — |
| 1997 | 98° | 55° | 77° | — | — |
| 1996 | 74° | 60° | 67° | — | — |
| 1995 | 76° | 55° | 65° | — | — |
| 1994 | 74° | 51° | 62° | — | — |
| 1993 | 74° | 59° | 66° | 0.15" | — |
| 1992 | 78° | 59° | 69° | — | — |
| 1991 | 84° | 57° | 71° | — | — |
| 1990 | 79° | 60° | 69° | — | — |
| 1989 | 81° | 57° | 69° | — | — |
| 1988 | 95° | 55° | 75° | — | — |
| 1987 | 76° | 58° | 67° | — | — |
| 1986 | 78° | 47° | 62° | — | — |
| 1985 | 88° | 56° | 72° | — | — |
| 1984 | 78° | 51° | 65° | — | — |
| 1983 | 78° | 57° | 68° | — | — |
| 1982 | 86° | 54° | 70° | — | — |
| 1981 | 74° | 43° | 58° | — | — |
| 1980 | 70° | 48° | 59° | — | — |
| 1979 | 76° | 58° | 67° | — | — |
| 1978 | 79° | 58° | 68° | — | — |
| 1977 | 83° | 52° | 67° | — | — |
| 1976 | 80° | 58° | 69° | — | — |
| 1975 | 88° | 47° | 67° | — | — |
| 1974 | 98° | 55° | 77° | — | — |
| 1973 | 90° | 50° | 70° | — | — |
| 1972 | 77° | 48° | 63° | — | — |
| 1971coldest | 65° | 48° | 56° | 1.22" | — |
San Marcos, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Marcos, CA Monthly Precipitation
Average rainfall per month, in inches.
San Marcos, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit San Marcos, CA
Most pleasant months in San Marcos, CA: June.