Weather on May 3
San Marcos, CA
55 Years of Data
Avg High
76°F
Avg Low
54°F
Warmest
2004
80°F avg
Coldest
1999
56°F avg
About This Date
May 3rd in San Marcos, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 54°F. Over 55 years of records, the warmest May 3rd was in 2004 (80°F average), while the coldest was 1999 (56°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 3rd dates historically, with the wettest May 3rd recording 1.32" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for May 3rd in San Marcos, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 56° | 61° | 0.15" | — |
| 2024 | 76° | 59° | 67° | — | — |
| 2023 | 69° | 51° | 60° | — | — |
| 2022 | 73° | 57° | 65° | — | — |
| 2021 | 79° | 57° | 68° | — | — |
| 2020 | 81° | 60° | 70° | — | — |
| 2019 | 75° | 56° | 65° | — | — |
| 2018 | 74° | 49° | 61° | — | — |
| 2017 | 86° | 56° | 71° | — | — |
| 2016 | 78° | 50° | 64° | — | — |
| 2015 | 74° | 61° | 67° | — | — |
| 2014 | 95° | 58° | 76° | — | — |
| 2013 | 95° | 54° | 74° | — | — |
| 2012 | 68° | 55° | 62° | — | — |
| 2011 | 95° | 52° | 73° | — | — |
| 2010 | 71° | 53° | 62° | — | — |
| 2009 | 66° | 59° | 63° | — | — |
| 2008 | 73° | 55° | 64° | — | — |
| 2007 | 64° | 55° | 60° | — | — |
| 2006 | 64° | 58° | 61° | — | — |
| 2005 | 75° | 52° | 63° | — | — |
| 2004warmest | 103° | 57° | 80° | — | — |
| 2003 | 68° | 52° | 60° | 1.32" | — |
| 2002 | 71° | 47° | 59° | — | — |
| 2001 | 78° | 55° | 67° | — | — |
| 2000 | 82° | 58° | 70° | — | — |
| 1999coldest | 60° | 52° | 56° | — | — |
| 1998 | 77° | 60° | 69° | — | — |
| 1997 | 87° | 51° | 69° | — | — |
| 1996 | 79° | 59° | 69° | — | — |
| 1995 | 75° | 55° | 65° | — | — |
| 1994 | 74° | 51° | 62° | — | — |
| 1993 | 76° | 59° | 67° | — | — |
| 1992 | 85° | 56° | 70° | — | — |
| 1991 | 68° | 51° | 60° | — | — |
| 1990 | 75° | 50° | 63° | — | — |
| 1989 | 81° | 51° | 66° | — | — |
| 1988 | 80° | 44° | 62° | — | — |
| 1987 | 80° | 51° | 66° | — | — |
| 1986 | 76° | 52° | 64° | — | — |
| 1985 | 77° | 55° | 66° | — | — |
| 1984 | 79° | 49° | 64° | — | — |
| 1983 | 74° | 48° | 61° | — | — |
| 1982 | 70° | 56° | 63° | — | — |
| 1981 | 71° | 52° | 61° | — | — |
| 1980 | 79° | 51° | 65° | — | — |
| 1979 | 76° | 54° | 65° | — | — |
| 1978 | 71° | 53° | 62° | — | — |
| 1977 | 71° | 50° | 61° | — | — |
| 1976 | 67° | 55° | 61° | — | — |
| 1975 | 75° | 52° | 63° | — | — |
| 1974 | 70° | 53° | 61° | — | — |
| 1973 | 82° | 47° | 64° | — | — |
| 1972 | 76° | 52° | 64° | — | — |
| 1971 | 68° | 48° | 58° | 0.13" | — |
55 years of data from ESCONDIDO #2