Weather on May 15
Antioch, CA
55 Years of Data
Avg High
78°F
Avg Low
54°F
Warmest
2008
84°F avg
Coldest
1995
55°F avg
About This Date
May 15th in Antioch, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 54°F. Over 55 years of records, the warmest May 15th was in 2008 (84°F average), while the coldest was 1995 (55°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 15th dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 15th in Antioch, CA? Great weather for outdoor activities.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 55° | 65° | — | — |
| 2024 | 75° | 61° | 68° | — | — |
| 2023 | 72° | 50° | 61° | — | — |
| 2022 | 73° | 54° | 63° | — | — |
| 2021 | 73° | 52° | 62° | — | — |
| 2020 | 78° | 56° | 67° | — | — |
| 2019 | 69° | 57° | 63° | 0.48" | — |
| 2018 | 71° | 52° | 61° | — | — |
| 2017 | 74° | 49° | 61° | — | — |
| 2016 | 80° | 56° | 68° | — | — |
| 2015 | 71° | 48° | 60° | 0.03" | — |
| 2014 | 95° | 63° | 79° | — | — |
| 2013 | 77° | 55° | 66° | — | — |
| 2012 | 70° | 51° | 60° | — | — |
| 2011 | 68° | 46° | 57° | — | — |
| 2010 | 81° | 50° | 65° | — | — |
| 2009 | 90° | 61° | 75° | — | — |
| 2008warmest | 98° | 69° | 84° | — | — |
| 2007 | 81° | 49° | 65° | — | — |
| 2006 | 94° | 62° | 78° | — | — |
| 2005 | 74° | 58° | 66° | — | — |
| 2004 | 81° | 58° | 69° | — | — |
| 2003 | 62° | 48° | 55° | — | — |
| 2002 | 83° | 59° | 71° | — | — |
| 2001 | 70° | 54° | 62° | — | — |
| 2000 | 68° | 53° | 61° | — | — |
| 1999 | 72° | 48° | 60° | — | — |
| 1998 | 63° | 47° | 55° | — | — |
| 1997 | 86° | 65° | 75° | — | — |
| 1996 | 80° | 61° | 70° | — | — |
| 1995coldest | 62° | 49° | 55° | 0.03" | — |
| 1994 | 82° | 55° | 69° | — | — |
| 1993 | 74° | 55° | 64° | — | — |
| 1992 | 80° | 53° | 67° | — | — |
| 1991 | 76° | 48° | 62° | — | — |
| 1990 | 76° | 52° | 64° | — | — |
| 1989 | 80° | 54° | 67° | — | — |
| 1988 | 84° | 51° | 68° | — | — |
| 1987 | 95° | 65° | 80° | — | — |
| 1986 | 82° | 58° | 70° | — | — |
| 1985 | — | 60° | — | — | — |
| 1984 | 70° | 48° | 59° | — | — |
| 1983 | 83° | 58° | 70° | — | — |
| 1982 | 80° | 46° | 63° | — | — |
| 1981 | 73° | 47° | 60° | — | — |
| 1980 | 75° | 49° | 62° | — | — |
| 1979 | 90° | 53° | 71° | — | — |
| 1978 | 79° | 51° | 65° | — | — |
| 1977 | 71° | 49° | 60° | — | — |
| 1976 | 88° | 61° | 74° | — | — |
| 1975 | 68° | 49° | 58° | — | — |
| 1974 | 88° | 53° | 70° | — | — |
| 1973 | 84° | 52° | 68° | — | — |
| 1972 | 90° | 57° | 73° | — | — |
| 1971 | 79° | 53° | 66° | — | — |
55 years of data from ANTIOCH FIBREBRD MILLS