Weather on June 30
Concord, CA
55 Years of Data
Avg High
88°F
Avg Low
55°F
Warmest
2015
83°F avg
Coldest
1999
54°F avg
About This Date
June 30th in Concord, CA typically brings warm summer weather, with average highs around 88°F and lows near 55°F — a 33°F daily swing. Over 55 years of records, the warmest June 30th was in 2015 (83°F average), while the coldest was 1999 (54°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 30th dates historically. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for June 30th in Concord, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 57° | 74° | — | — |
| 2024 | 94° | 65° | 79° | — | — |
| 2023 | 99° | 56° | 77° | — | — |
| 2022 | 77° | 55° | 66° | — | — |
| 2021 | 80° | 59° | 70° | — | — |
| 2020 | 94° | 59° | 76° | — | — |
| 2019 | 86° | 60° | 73° | — | — |
| 2018 | 101° | 63° | 82° | — | — |
| 2017 | 84° | 56° | 70° | — | — |
| 2016 | 94° | 58° | 76° | — | — |
| 2015warmest | 106° | 61° | 83° | — | — |
| 2014 | 101° | 60° | 80° | — | — |
| 2013 | 99° | 64° | 81° | — | — |
| 2012 | 81° | 58° | 69° | — | — |
| 2011 | 85° | 54° | 69° | — | — |
| 2010 | 81° | 56° | 68° | — | — |
| 2009 | 87° | 57° | 72° | — | — |
| 2008 | 82° | 53° | 68° | — | — |
| 2007 | 81° | 56° | 68° | — | — |
| 2006 | 77° | 57° | 67° | — | — |
| 2005 | 95° | 57° | 76° | — | — |
| 2004 | 73° | 58° | 65° | — | — |
| 2003 | 82° | 56° | 69° | — | — |
| 2002 | 97° | 62° | 79° | — | — |
| 2001 | 93° | 62° | 78° | — | — |
| 2000 | 76° | 57° | 66° | — | — |
| 1999coldest | 102° | 5° | 54° | — | — |
| 1998 | 76° | 54° | 65° | — | — |
| 1997 | 74° | 59° | 66° | — | — |
| 1996 | 99° | 63° | 81° | — | — |
| 1995 | 74° | 58° | 66° | — | — |
| 1994 | 90° | 55° | 72° | — | — |
| 1993 | 95° | 63° | 79° | — | — |
| 1992 | 75° | 58° | 66° | 0.46" | — |
| 1991 | 93° | 53° | 73° | — | — |
| 1990 | 94° | 53° | 73° | — | — |
| 1989 | 82° | 61° | 71° | — | — |
| 1988 | 98° | 55° | 77° | — | — |
| 1987 | 73° | 50° | 62° | — | — |
| 1986 | 92° | 62° | 77° | — | — |
| 1985 | 89° | 49° | 69° | — | — |
| 1984 | 97° | 49° | 73° | — | — |
| 1983 | 82° | 53° | 68° | — | — |
| 1982 | 72° | 52° | 62° | — | — |
| 1981 | 83° | 59° | 71° | — | — |
| 1980 | 89° | 54° | 71° | — | — |
| 1979 | 89° | 51° | 70° | — | — |
| 1978 | 79° | 52° | 65° | — | — |
| 1977 | 97° | 56° | 76° | — | — |
| 1976 | — | 31° | — | — | — |
| 1975 | 83° | 52° | 67° | — | — |
| 1974 | 91° | 53° | 72° | — | — |
| 1973 | 81° | 50° | 65° | — | — |
| 1972 | 108° | 57° | 82° | — | — |
| 1971 | 89° | 52° | 70° | — | — |
55 years of data from CONCORD BUCHANAN FLD