Weather on February 21
San Marcos, CA
55 Years of Data
Avg High
70°F
Avg Low
45°F
Warmest
2014
67°F avg
Coldest
2018
47°F avg
About This Date
February 21st in San Marcos, CA typically brings pleasant winter weather, with average highs around 70°F and lows near 45°F — a 25°F daily swing. Over 56 years of records, the warmest February 21st was in 2014 (67°F average), while the coldest was 2018 (47°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 29% of February 21st dates historically, with the wettest February 21st recording 4.45" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for February 21st in San Marcos, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 74° | 39° | 56° | — | — |
| 2025 | 80° | 45° | 62° | — | — |
| 2024 | 68° | 54° | 61° | 0.61" | — |
| 2023 | 70° | 40° | 55° | — | — |
| 2022 | 61° | 52° | 56° | — | — |
| 2021 | 75° | 42° | 59° | — | — |
| 2020 | 82° | 50° | 66° | — | — |
| 2019 | 54° | 45° | 49° | 0.81" | — |
| 2018coldest | 56° | 38° | 47° | 0.08" | — |
| 2017 | 75° | 50° | 63° | — | — |
| 2016 | 75° | 47° | 61° | — | — |
| 2015 | 68° | 56° | 62° | — | — |
| 2014warmest | 82° | 52° | 67° | — | — |
| 2013 | 59° | 40° | 49° | 0.43" | — |
| 2012 | 74° | 42° | 58° | — | — |
| 2011 | 61° | 38° | 49° | — | — |
| 2010 | 60° | 52° | 56° | 0.23" | — |
| 2009 | 67° | 49° | 58° | — | — |
| 2008 | 59° | 49° | 54° | 0.08" | — |
| 2007 | 68° | 45° | 56° | — | — |
| 2006 | 60° | — | — | — | — |
| 2005 | 61° | 53° | 57° | 4.45" | — |
| 2004 | — | 46° | — | 0.05" | — |
| 2003 | 76° | 42° | 59° | — | — |
| 2002 | 86° | 44° | 65° | — | — |
| 2001 | 70° | 41° | 55° | — | — |
| 2000 | 72° | 48° | 60° | 1.7" | — |
| 1999 | 67° | 47° | 57° | — | — |
| 1998 | 64° | 41° | 53° | — | — |
| 1997 | 77° | 43° | 60° | — | — |
| 1996 | 68° | 55° | 62° | 0.64" | — |
| 1995 | 78° | 52° | 65° | — | — |
| 1994 | 61° | 39° | 50° | 0.58" | — |
| 1993 | 61° | 42° | 51° | 0.15" | — |
| 1992 | 68° | 57° | 63° | — | — |
| 1991 | 84° | 46° | 65° | — | — |
| 1990 | 73° | 38° | 55° | — | — |
| 1989 | 81° | 42° | 61° | — | — |
| 1988 | 75° | 45° | 60° | — | — |
| 1987 | 70° | 35° | 52° | — | — |
| 1986 | 67° | 48° | 57° | — | — |
| 1985 | 64° | 38° | 51° | 0.53" | — |
| 1984 | 71° | 43° | 57° | — | — |
| 1983 | 77° | 42° | 60° | — | — |
| 1982 | 81° | 45° | 63° | — | — |
| 1981 | 75° | 54° | 64° | — | — |
| 1980 | 64° | 53° | 59° | 3.63" | — |
| 1979 | 58° | 47° | 52° | 1.83" | — |
| 1978 | 77° | 44° | 61° | — | — |
| 1977 | 69° | 47° | 58° | — | — |
| 1976 | 71° | 41° | 56° | — | — |
| 1975 | 64° | 47° | 55° | — | — |
| 1974 | 69° | 34° | 51° | — | — |
| 1973 | 69° | 53° | 61° | 0.05" | — |
| 1972 | 69° | 40° | 54° | — | — |
| 1971 | 67° | 32° | 49° | — | — |
56 years of data from ESCONDIDO #2