Weather on June 3
San Marcos, CA
55 Years of Data
Avg High
78°F
Avg Low
58°F
Warmest
2020
80°F avg
Coldest
1971
58°F avg
About This Date
June 3rd in San Marcos, CA typically brings pleasant summer weather, with average highs around 78°F and lows near 58°F. Over 55 years of records, the warmest June 3rd was in 2020 (80°F average), while the coldest was 1971 (58°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 5% of June 3rd dates historically. The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
Planning for June 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 | 80° | 60° | 70° | 0.15" | — |
| 2024 | 77° | 60° | 69° | — | — |
| 2023 | 75° | 59° | 67° | — | — |
| 2022 | 85° | 58° | 71° | — | — |
| 2021 | 82° | 60° | 71° | — | — |
| 2020warmest | 95° | 65° | 80° | — | — |
| 2019 | 71° | 59° | 65° | 0.1" | — |
| 2018 | 86° | 58° | 72° | — | — |
| 2017 | 83° | 61° | 72° | — | — |
| 2016 | 98° | 61° | 79° | — | — |
| 2015 | 78° | 59° | 69° | — | — |
| 2014 | 88° | 58° | 73° | — | — |
| 2013 | 77° | 62° | 70° | — | — |
| 2012 | 74° | 59° | 66° | — | — |
| 2011 | 79° | 51° | 65° | — | — |
| 2010 | 65° | 58° | 61° | — | — |
| 2009 | 67° | 61° | 64° | — | — |
| 2008 | 65° | 59° | 62° | — | — |
| 2007 | 77° | 52° | 64° | — | — |
| 2006 | 93° | 64° | 79° | — | — |
| 2005 | 74° | 60° | 67° | — | — |
| 2004 | 70° | 61° | 65° | — | — |
| 2003 | 63° | 59° | 61° | — | — |
| 2002 | 73° | 56° | 64° | — | — |
| 2001 | 85° | 60° | 72° | — | — |
| 2000 | 87° | 55° | 71° | — | — |
| 1999 | 64° | 55° | 60° | — | — |
| 1998 | 72° | 59° | 65° | — | — |
| 1997 | 83° | 64° | 73° | — | — |
| 1996 | 93° | 59° | 76° | — | — |
| 1995 | 68° | 57° | 63° | — | — |
| 1994 | 89° | 56° | 72° | — | — |
| 1993 | 79° | 55° | 67° | — | — |
| 1992 | 86° | 61° | 73° | — | — |
| 1991 | 79° | 53° | 66° | — | — |
| 1990 | 93° | 61° | 77° | — | — |
| 1989 | 71° | 56° | 63° | — | — |
| 1988 | 89° | 59° | 74° | — | — |
| 1987 | 86° | 57° | 72° | — | — |
| 1986 | 76° | 61° | 68° | — | — |
| 1985 | 72° | 55° | 63° | 0.23" | — |
| 1984 | 74° | 60° | 67° | — | — |
| 1983 | 74° | 53° | 63° | — | — |
| 1982 | 77° | 57° | 67° | — | — |
| 1981 | 81° | 60° | 70° | — | — |
| 1980 | 75° | 55° | 65° | — | — |
| 1979 | 75° | 56° | 65° | — | — |
| 1978 | 79° | 55° | 67° | — | — |
| 1977 | 84° | 56° | 70° | — | — |
| 1976 | 77° | 55° | 66° | — | — |
| 1975 | 74° | 55° | 64° | — | — |
| 1974 | 74° | 58° | 66° | — | — |
| 1973 | 73° | 56° | 64° | — | — |
| 1972 | 81° | 59° | 70° | — | — |
| 1971coldest | 68° | 48° | 58° | — | — |
55 years of data from ESCONDIDO #2