Weather on April 20
Antioch, CA
55 Years of Data
Avg High
71°F
Avg Low
49°F
Warmest
2009
77°F avg
Coldest
2001
44°F avg
About This Date
April 20th in Antioch, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 49°F. Over 54 years of records, the warmest April 20th was in 2009 (77°F average), while the coldest was 2001 (44°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 13% of April 20th dates historically. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for April 20th in Antioch, CA? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 43° | 56° | — | — |
| 2024 | 70° | 55° | 62° | — | — |
| 2023 | 65° | 45° | 55° | — | — |
| 2022 | 62° | 45° | 53° | — | — |
| 2021 | 72° | 51° | 61° | — | — |
| 2020 | 70° | 54° | 62° | — | — |
| 2019 | 70° | 53° | 61° | — | — |
| 2018 | 69° | 53° | 61° | — | — |
| 2017 | 69° | 51° | 60° | — | — |
| 2016 | 78° | 53° | 66° | — | — |
| 2015 | 76° | 49° | 62° | — | — |
| 2014 | 82° | 51° | 67° | — | — |
| 2013 | 82° | 60° | 71° | — | — |
| 2012 | 79° | 63° | 71° | — | — |
| 2011 | — | 51° | — | — | — |
| 2010 | 61° | 47° | 54° | — | — |
| 2009warmest | 92° | 62° | 77° | — | — |
| 2008 | 66° | 38° | 52° | — | — |
| 2007 | 66° | 48° | 57° | — | — |
| 2006 | 67° | 43° | 55° | — | — |
| 2005 | 70° | 45° | 57° | — | — |
| 2004 | 58° | 47° | 52° | — | — |
| 2003 | 60° | 50° | 55° | 0.13" | — |
| 2002 | 75° | 43° | 59° | — | — |
| 2001coldest | 51° | 38° | 44° | — | — |
| 2000 | 72° | 44° | 58° | — | — |
| 1999 | 75° | 60° | 68° | — | — |
| 1998 | 73° | 46° | 60° | — | — |
| 1997 | 74° | 57° | 65° | — | — |
| 1996 | 62° | 42° | 52° | 0.13" | — |
| 1995 | 65° | 50° | 57° | — | — |
| 1994 | 76° | 44° | 60° | — | — |
| 1993 | 72° | 47° | 59° | — | — |
| 1992 | 83° | 54° | 68° | — | — |
| 1991 | 69° | 43° | 56° | 0.38" | — |
| 1990 | 73° | 48° | 61° | — | — |
| 1988 | 71° | 47° | 59° | 0.13" | — |
| 1987 | 72° | 53° | 62° | — | — |
| 1986 | 78° | 51° | 65° | — | — |
| 1985 | 67° | 47° | 57° | — | — |
| 1984 | 63° | 45° | 54° | — | — |
| 1983 | 72° | 49° | 60° | 0.38" | — |
| 1982 | 77° | 52° | 64° | — | — |
| 1981 | 61° | 40° | 50° | — | — |
| 1980 | 81° | 56° | 68° | — | — |
| 1979 | 68° | 37° | 53° | — | — |
| 1978 | 70° | 48° | 59° | 0.05" | — |
| 1977 | 83° | 43° | 63° | — | — |
| 1976 | 82° | 47° | 64° | — | — |
| 1975 | 70° | 42° | 56° | — | — |
| 1974 | 68° | 47° | 57° | — | — |
| 1973 | 69° | 54° | 61° | — | — |
| 1972 | 73° | 40° | 56° | — | — |
| 1971 | 70° | 48° | 59° | 0.03" | — |
54 years of data from ANTIOCH FIBREBRD MILLS