Weather on August 27
Vallejo, CA
55 Years of Data
Avg High
86°F
Avg Low
55°F
Warmest
2017
83°F avg
Coldest
1975
60°F avg
About This Date
August 27th in Vallejo, CA typically brings warm summer weather, with average highs around 86°F and lows near 55°F — a 31°F daily swing. Over 55 years of records, the warmest August 27th was in 2017 (83°F average), while the coldest was 1975 (60°F) — a 23°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 August 27th in Vallejo, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 59° | 70° | — | — |
| 2024 | 96° | 58° | 77° | — | — |
| 2023 | 88° | 56° | 72° | — | — |
| 2022 | 83° | 55° | 69° | — | — |
| 2021 | 100° | 59° | 80° | — | — |
| 2020 | 80° | 55° | 68° | — | — |
| 2019 | 93° | 56° | 74° | — | — |
| 2018 | 75° | 55° | 65° | — | — |
| 2017warmest | 106° | 60° | 83° | — | — |
| 2016 | 73° | 56° | 64° | — | — |
| 2015 | 100° | 61° | 80° | — | — |
| 2014 | 86° | 53° | 70° | — | — |
| 2013 | 86° | 50° | 68° | — | — |
| 2012 | 86° | 45° | 65° | — | — |
| 2011 | 76° | 52° | 64° | — | — |
| 2010 | 70° | 52° | 61° | — | — |
| 2009 | 94° | 46° | 70° | — | — |
| 2008 | 93° | 50° | 72° | — | — |
| 2007 | 82° | 49° | 65° | — | — |
| 2006 | 78° | 53° | 66° | — | — |
| 2005 | 87° | 75° | 81° | — | — |
| 2004 | 97° | 56° | 76° | — | — |
| 2003 | 76° | 57° | 66° | — | — |
| 2002 | 95° | 53° | 74° | — | — |
| 2001 | — | 65° | — | — | — |
| 2000 | 77° | 55° | 66° | — | — |
| 1999 | 88° | 68° | 78° | — | — |
| 1998 | 89° | 55° | 72° | — | — |
| 1997 | 85° | 61° | 73° | — | — |
| 1996 | 83° | 56° | 69° | — | — |
| 1995 | 84° | 52° | 68° | — | — |
| 1994 | 83° | 52° | 67° | — | — |
| 1993 | 102° | 57° | 80° | — | — |
| 1992 | 89° | 54° | 71° | — | — |
| 1991 | 78° | 54° | 66° | — | — |
| 1990 | 84° | 55° | 70° | — | — |
| 1989 | 85° | 51° | 68° | — | — |
| 1988 | 93° | 55° | 74° | — | — |
| 1987 | 84° | 50° | 67° | — | — |
| 1986 | 88° | 52° | 70° | — | — |
| 1985 | 86° | 55° | 71° | — | — |
| 1984 | 89° | 56° | 72° | — | — |
| 1983 | 90° | 53° | 71° | — | — |
| 1982 | 83° | 52° | 67° | — | — |
| 1981 | 102° | 55° | 79° | — | — |
| 1980 | 84° | 58° | 71° | — | — |
| 1979 | 93° | 64° | 79° | — | — |
| 1978 | 90° | 53° | 71° | — | — |
| 1977 | 92° | 52° | 72° | — | — |
| 1976 | 88° | 55° | 71° | — | — |
| 1975coldest | 64° | 55° | 60° | — | — |
| 1974 | 84° | 54° | 69° | — | — |
| 1973 | 72° | 55° | 63° | — | — |
| 1972 | 86° | 58° | 72° | — | — |
| 1971 | 78° | 58° | 68° | — | — |
55 years of data from VALLEJO