Weather on April 9
San Marcos, CA
55 Years of Data
Avg High
74°F
Avg Low
50°F
Warmest
1989
74°F avg
Coldest
2011
48°F avg
About This Date
April 9th in San Marcos, CA typically brings pleasant spring weather, with average highs around 74°F and lows near 50°F. Over 56 years of records, the warmest April 9th was in 1989 (74°F average), while the coldest was 2011 (48°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 13% of April 9th dates historically, with the wettest April 9th recording 1.68" of rain. The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
Planning for April 9th in San Marcos, CA? Great weather for outdoor activities.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 70° | 60° | 65° | — | — |
| 2025 | 88° | 54° | 71° | — | — |
| 2024 | 83° | 46° | 64° | — | — |
| 2023 | 76° | 52° | 64° | — | — |
| 2022 | 90° | 58° | 74° | — | — |
| 2021 | 80° | 53° | 67° | — | — |
| 2020 | 57° | 49° | 53° | 0.25" | — |
| 2019 | 72° | 58° | 65° | — | — |
| 2018 | 93° | 55° | 74° | — | — |
| 2017 | 71° | 47° | 59° | — | — |
| 2016 | 69° | 55° | 62° | 0.1" | — |
| 2015 | 76° | 49° | 62° | — | — |
| 2014 | 94° | 55° | 74° | — | — |
| 2013 | 71° | 48° | 60° | — | — |
| 2012 | 84° | 48° | 66° | — | — |
| 2011coldest | 58° | 39° | 48° | 0.74" | — |
| 2010 | 65° | 53° | 59° | — | — |
| 2009 | 62° | 52° | 57° | — | — |
| 2008 | 75° | 36° | 55° | — | — |
| 2007 | 64° | 57° | 61° | — | — |
| 2006 | 62° | 52° | 57° | — | — |
| 2005 | 68° | 62° | 65° | — | — |
| 2004 | 66° | 57° | 62° | — | — |
| 2003 | 83° | 48° | 65° | — | — |
| 2002 | 73° | 54° | 63° | — | — |
| 2001 | 60° | 41° | 51° | 0.03" | — |
| 2000 | 76° | 46° | 61° | — | — |
| 1999 | 59° | 42° | 51° | 0.25" | — |
| 1998 | 70° | 44° | 57° | — | — |
| 1997 | 71° | 54° | 62° | — | — |
| 1996 | 78° | 53° | 66° | — | — |
| 1995 | 71° | 52° | 61° | — | — |
| 1994 | 64° | 51° | 58° | 1.22" | — |
| 1993 | 82° | 48° | 65° | — | — |
| 1992 | 74° | 56° | 65° | — | — |
| 1991 | 85° | 48° | 66° | — | — |
| 1990 | 73° | 50° | 62° | — | — |
| 1989warmest | 90° | 58° | 74° | — | — |
| 1988 | 86° | 53° | 70° | — | — |
| 1987 | 88° | 52° | 70° | — | — |
| 1986 | 70° | 48° | 59° | — | — |
| 1985 | 76° | 51° | 63° | — | — |
| 1984 | 72° | 52° | 62° | — | — |
| 1983 | 72° | 44° | 58° | — | — |
| 1982 | 74° | 52° | 63° | — | — |
| 1981 | 72° | 48° | 60° | — | — |
| 1980 | 83° | 49° | 66° | — | — |
| 1979 | 62° | 51° | 57° | — | — |
| 1978 | 66° | 40° | 53° | — | — |
| 1977 | 65° | 47° | 56° | — | — |
| 1976 | 67° | 44° | 55° | — | — |
| 1975 | 64° | 46° | 55° | 1.68" | — |
| 1974 | 66° | 40° | 53° | — | — |
| 1973 | 78° | 42° | 60° | — | — |
| 1972 | 81° | 43° | 62° | — | — |
| 1971 | 74° | 44° | 59° | — | — |
56 years of data from ESCONDIDO #2