Weather on March 15
Oceanside, CA
55 Years of Data
Avg High
65°F
Avg Low
47°F
Warmest
2015
73°F avg
Coldest
1999
48°F avg
About This Date
March 15th in Oceanside, CA typically brings mild spring weather, with average highs around 65°F and lows near 47°F. Over 56 years of records, the warmest March 15th was in 2015 (73°F average), while the coldest was 1999 (48°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 21% of March 15th dates historically, with the wettest March 15th recording 4.22" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for March 15th in Oceanside, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 69° | 52° | 60° | — | — |
| 2025 | 62° | 44° | 53° | — | — |
| 2024 | 65° | 44° | 54° | 0.33" | — |
| 2023 | 60° | 53° | 57° | 4.22" | — |
| 2022 | 69° | 39° | 54° | — | — |
| 2021 | 57° | 49° | 53° | 0.53" | — |
| 2020 | 66° | 50° | 58° | 0.03" | — |
| 2019 | 75° | 41° | 58° | — | — |
| 2018 | 63° | 47° | 55° | 0.08" | — |
| 2017 | 75° | 51° | 63° | — | — |
| 2016 | 69° | 48° | 59° | — | — |
| 2015warmest | 92° | 55° | 73° | — | — |
| 2014 | 74° | 45° | 59° | — | — |
| 2013 | 67° | 51° | 59° | — | — |
| 2012 | 62° | 48° | 55° | — | — |
| 2011 | 68° | 47° | 57° | 0.03" | — |
| 2010 | 79° | 37° | 58° | 0.03" | — |
| 2009 | 62° | 42° | 52° | — | — |
| 2008 | 61° | 47° | 54° | 0.03" | — |
| 2007 | 67° | 55° | 61° | — | — |
| 2006 | 60° | 37° | 49° | — | — |
| 2005 | 75° | 39° | 57° | — | — |
| 2004 | 67° | 53° | 60° | — | — |
| 2003 | 61° | 53° | 57° | 2.67" | — |
| 2002 | 63° | 37° | 50° | — | — |
| 2001 | 61° | 55° | 58° | — | — |
| 2000 | 64° | 53° | 59° | — | — |
| 1999coldest | 54° | 42° | 48° | — | — |
| 1998 | 63° | 47° | 55° | — | — |
| 1997 | 61° | 46° | 53° | — | — |
| 1996 | 61° | 47° | 54° | — | — |
| 1995 | 66° | 52° | 59° | — | — |
| 1994 | 80° | 44° | 62° | — | — |
| 1993 | 65° | 56° | 60° | — | — |
| 1992 | 62° | 47° | 54° | — | — |
| 1991 | 56° | 46° | 51° | 0.23" | — |
| 1990 | 60° | 42° | 51° | — | — |
| 1989 | 59° | 47° | 53° | — | — |
| 1988 | 67° | 43° | 55° | — | — |
| 1987 | 62° | 50° | 56° | 0.86" | — |
| 1986 | 61° | 44° | 52° | — | — |
| 1985 | 59° | 52° | 55° | — | — |
| 1984 | 64° | 48° | 56° | — | — |
| 1983 | 68° | 49° | 58° | — | — |
| 1982 | 60° | 49° | 54° | 1.52" | — |
| 1981 | 65° | 44° | 54° | — | — |
| 1980 | 70° | 48° | 59° | — | — |
| 1979 | 63° | 45° | 54° | — | — |
| 1978 | 76° | 49° | 62° | — | — |
| 1977 | 64° | 45° | 54° | — | — |
| 1976 | 67° | 43° | 55° | — | — |
| 1975 | 65° | 40° | 52° | — | — |
| 1974 | 60° | 48° | 54° | — | — |
| 1973 | 68° | 40° | 54° | — | — |
| 1972 | 61° | 53° | 57° | — | — |
| 1971 | 66° | 42° | 54° | — | — |
56 years of data from OCEANSIDE MUNI AP