Weather on April 20
Oceanside, CA
55 Years of Data
Avg High
68°F
Avg Low
50°F
Warmest
2009
73°F avg
Coldest
1995
52°F avg
About This Date
April 20th in Oceanside, CA typically brings mild spring weather, with average highs around 68°F and lows near 50°F. Over 54 years of records, the warmest April 20th was in 2009 (73°F average), while the coldest was 1995 (52°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 11% of April 20th dates historically, with the wettest April 20th recording 3.86" of rain. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
Planning for April 20th in Oceanside, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 40° | 53° | — | — |
| 2024 | 71° | 53° | 62° | — | — |
| 2023 | 72° | 41° | 56° | — | — |
| 2022 | 69° | 50° | 60° | — | — |
| 2021 | 67° | 57° | 62° | — | — |
| 2020 | 68° | 57° | 63° | — | — |
| 2019 | 68° | 56° | 62° | — | — |
| 2018 | 71° | 44° | 58° | — | — |
| 2017 | 72° | 51° | 61° | — | — |
| 2016 | 81° | 43° | 62° | — | — |
| 2015 | 68° | 57° | 63° | — | — |
| 2014 | 68° | 51° | 60° | — | — |
| 2013 | 79° | 42° | 60° | — | — |
| 2012 | 66° | 52° | 59° | — | — |
| 2011 | 70° | 59° | 64° | — | — |
| 2010 | 68° | 52° | 60° | 0.15" | — |
| 2009warmest | 98° | 49° | 73° | — | — |
| 2008 | 64° | 46° | 55° | — | — |
| 2007 | 64° | 47° | 55° | 1.57" | — |
| 2006 | 72° | 44° | 58° | — | — |
| 2005 | 67° | 45° | 56° | — | — |
| 2004 | 69° | 47° | 58° | — | — |
| 2003 | 69° | 48° | 59° | — | — |
| 2002 | 66° | 42° | 54° | — | — |
| 2001 | 62° | 44° | 53° | 0.18" | — |
| 2000 | 68° | 45° | 56° | — | — |
| 1999 | 63° | 57° | 60° | — | — |
| 1998 | 64° | 49° | 56° | — | — |
| 1997 | 64° | 60° | 62° | — | — |
| 1996 | 64° | 47° | 55° | — | — |
| 1995coldest | 59° | 45° | 52° | — | — |
| 1994 | 63° | 55° | 59° | — | — |
| 1993 | 70° | 56° | 63° | — | — |
| 1992 | 69° | 55° | 62° | — | — |
| 1991 | 60° | 56° | 58° | — | — |
| 1990 | 63° | 60° | 61° | — | — |
| 1989 | 64° | 57° | 61° | — | — |
| 1988 | 63° | 52° | 57° | 2.34" | — |
| 1987 | 65° | 55° | 60° | — | — |
| 1986 | 71° | 52° | 61° | — | — |
| 1985 | 61° | 52° | 56° | — | — |
| 1984 | 65° | 46° | 55° | — | — |
| 1983 | 65° | 52° | 58° | 3.86" | — |
| 1982 | 68° | 49° | 58° | — | — |
| 1981 | 65° | 47° | 56° | — | — |
| 1980 | 65° | 58° | 61° | — | — |
| 1978 | 67° | 45° | 56° | — | — |
| 1977 | 65° | 42° | 53° | — | — |
| 1976 | — | 50° | — | — | — |
| 1975 | 66° | 42° | 54° | — | — |
| 1974 | 68° | 47° | 57° | — | — |
| 1973 | 67° | 45° | 56° | — | — |
| 1972 | 68° | 40° | 54° | 0.08" | — |
| 1971 | 65° | 52° | 58° | — | — |
54 years of data from OCEANSIDE MUNI AP