Weather on April 3
San Marcos, CA
55 Years of Data
Avg High
71°F
Avg Low
49°F
Warmest
1993
69°F avg
Coldest
1997
52°F avg
About This Date
April 3rd in San Marcos, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 49°F. Over 56 years of records, the warmest April 3rd was in 1993 (69°F average), while the coldest was 1997 (52°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 4% of April 3rd dates historically. 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 April 3rd in San Marcos, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 71° | 54° | 62° | — | — |
| 2025 | 66° | 48° | 57° | — | — |
| 2024 | 81° | 50° | 65° | — | — |
| 2023 | 61° | 51° | 56° | — | — |
| 2022 | 63° | 56° | 59° | — | — |
| 2021 | 77° | 50° | 64° | — | — |
| 2020 | 71° | 54° | 62° | — | — |
| 2019 | 69° | 55° | 62° | — | — |
| 2018 | 74° | 56° | 65° | — | — |
| 2017 | 71° | 54° | 62° | — | — |
| 2016 | 82° | 52° | 67° | — | — |
| 2015 | 87° | 50° | 69° | — | — |
| 2014 | 69° | 43° | 56° | — | — |
| 2013 | 80° | 51° | 66° | — | — |
| 2012 | 79° | 46° | 62° | — | — |
| 2011 | 70° | 57° | 63° | — | — |
| 2010 | 62° | 48° | 55° | — | — |
| 2009 | 62° | 53° | 58° | — | — |
| 2008 | 63° | 54° | 58° | — | — |
| 2007 | 63° | 55° | 59° | — | — |
| 2006 | 69° | 53° | 61° | — | — |
| 2005 | 84° | 47° | 65° | — | — |
| 2004 | 64° | 55° | 60° | — | — |
| 2003 | 62° | 45° | 53° | — | — |
| 2002 | 57° | 53° | 55° | — | — |
| 2001 | 64° | 51° | 58° | — | — |
| 2000 | 82° | 49° | 65° | — | — |
| 1999 | 60° | 44° | 52° | — | — |
| 1998 | 66° | 45° | 55° | — | — |
| 1997coldest | 65° | 39° | 52° | — | — |
| 1996 | 71° | 46° | 59° | — | — |
| 1995 | 82° | 49° | 65° | — | — |
| 1994 | 70° | 55° | 62° | — | — |
| 1993warmest | 85° | 53° | 69° | — | — |
| 1992 | 76° | 51° | 63° | — | — |
| 1991 | 79° | 46° | 62° | — | — |
| 1990 | 75° | 50° | 63° | — | — |
| 1989 | 75° | 51° | 63° | — | — |
| 1988 | 78° | 44° | 61° | — | — |
| 1987 | 65° | 52° | 58° | 0.3" | — |
| 1986 | 71° | 45° | 58° | — | — |
| 1985 | 84° | 50° | 67° | — | — |
| 1984 | 69° | 42° | 56° | — | — |
| 1983 | 72° | 52° | 62° | — | — |
| 1982 | 65° | 41° | 53° | — | — |
| 1981 | 65° | 46° | 55° | 0.41" | — |
| 1980 | 74° | 39° | 56° | — | — |
| 1979 | 71° | 45° | 58° | — | — |
| 1978 | 67° | 45° | 56° | — | — |
| 1977 | 69° | 44° | 57° | — | — |
| 1976 | 64° | 50° | 57° | — | — |
| 1975 | 70° | 38° | 54° | — | — |
| 1974 | 67° | 45° | 56° | — | — |
| 1973 | 77° | 38° | 57° | — | — |
| 1972 | 77° | 45° | 61° | — | — |
| 1971 | 87° | 42° | 65° | — | — |
56 years of data from ESCONDIDO #2