Weather on June 30
Antioch, CA
55 Years of Data
Avg High
88°F
Avg Low
60°F
Warmest
2013
88°F avg
Coldest
1982
62°F avg
About This Date
June 30th in Antioch, CA typically brings warm summer weather, with average highs around 88°F and lows near 60°F — a 28°F daily swing. Over 54 years of records, the warmest June 30th was in 2013 (88°F average), while the coldest was 1982 (62°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 30th dates historically. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for June 30th in Antioch, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 71° | 79° | — | — |
| 2024 | 86° | 68° | 77° | — | — |
| 2023 | 96° | 77° | 87° | — | — |
| 2022 | 70° | 61° | 65° | — | — |
| 2021 | 91° | 64° | 78° | — | — |
| 2020 | 94° | 60° | 77° | — | — |
| 2019 | 90° | 60° | 75° | — | — |
| 2018 | 96° | 73° | 85° | — | — |
| 2017 | 78° | 64° | 71° | — | — |
| 2016 | 95° | 57° | 76° | — | — |
| 2015 | 105° | 65° | 85° | — | — |
| 2014 | 102° | 64° | 83° | — | — |
| 2013warmest | 103° | 73° | 88° | — | — |
| 2012 | 84° | 61° | 72° | — | — |
| 2011 | 86° | 64° | 75° | — | — |
| 2010 | 97° | 56° | 76° | — | — |
| 2009 | 89° | 57° | 73° | — | — |
| 2008 | 84° | 55° | 70° | — | — |
| 2007 | — | 56° | — | — | — |
| 2006 | 92° | 57° | 74° | — | — |
| 2005 | 93° | 61° | 77° | — | — |
| 2004 | 82° | 58° | 70° | — | — |
| 2003 | 76° | 51° | 63° | — | — |
| 2002 | 96° | 65° | 80° | — | — |
| 2001 | 85° | 63° | 74° | — | — |
| 2000 | 89° | 58° | 73° | — | — |
| 1999 | 103° | 66° | 84° | — | — |
| 1998 | 69° | 58° | 63° | — | — |
| 1997 | 78° | 57° | 68° | — | — |
| 1996 | 93° | 64° | 79° | — | — |
| 1995 | 83° | 56° | 69° | — | — |
| 1994 | 94° | 56° | 75° | — | — |
| 1993 | 95° | 69° | 82° | — | — |
| 1992 | 75° | 57° | 66° | 0.18" | — |
| 1990 | 92° | 60° | 76° | — | — |
| 1989 | 81° | 61° | 71° | — | — |
| 1988 | 91° | 63° | 77° | — | — |
| 1987 | 83° | 54° | 68° | — | — |
| 1986 | 88° | 56° | 72° | — | — |
| 1985 | — | 52° | — | — | — |
| 1984 | 89° | 55° | 72° | — | — |
| 1983 | 85° | 52° | 68° | — | — |
| 1982coldest | 72° | 52° | 62° | — | — |
| 1981 | 93° | 56° | 74° | — | — |
| 1980 | 87° | 55° | 71° | — | — |
| 1979 | 86° | 52° | 69° | — | — |
| 1978 | 77° | 55° | 66° | — | — |
| 1977 | 92° | 60° | 76° | — | — |
| 1976 | 88° | 55° | 71° | — | — |
| 1975 | 88° | 52° | 70° | — | — |
| 1974 | 98° | 60° | 79° | — | — |
| 1973 | 85° | 54° | 69° | — | — |
| 1972 | 93° | 59° | 76° | — | — |
| 1971 | 84° | 59° | 72° | — | — |
54 years of data from ANTIOCH FIBREBRD MILLS