Weather on August 21
Ventura, CA
55 Years of Data
Avg High
87°F
Avg Low
53°F
Warmest
1986
84°F avg
Coldest
2012
27°F avg
About This Date
August 21st in Ventura, CA typically brings warm summer weather, with average highs around 87°F and lows near 53°F — a 34°F daily swing. Over 55 years of records, the warmest August 21st was in 1986 (84°F average), while the coldest was 2012 (27°F) — a 57°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 21st dates historically, with the wettest August 21st recording 4.88" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Ventura, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 98° | 56° | 77° | — | — |
| 2024 | 89° | 50° | 70° | — | — |
| 2023 | 77° | 62° | 70° | 4.88" | — |
| 2022 | 87° | 57° | 72° | — | — |
| 2021 | 82° | 54° | 68° | — | — |
| 2020 | 104° | 60° | 82° | — | — |
| 2019 | 92° | 51° | 71° | — | — |
| 2018 | 88° | 63° | 75° | — | — |
| 2017 | 84° | 56° | 70° | — | — |
| 2016 | 92° | 52° | 72° | — | — |
| 2015 | 82° | 55° | 69° | — | — |
| 2014 | 90° | 54° | 72° | — | — |
| 2013 | 96° | 51° | 74° | — | — |
| 2012coldest | 86° | -32° | 27° | — | — |
| 2011 | 79° | 54° | 66° | — | — |
| 2010 | 91° | 57° | 74° | — | — |
| 2009 | 90° | 55° | 72° | — | — |
| 2008 | 82° | 57° | 70° | — | — |
| 2007 | 90° | 57° | 73° | — | — |
| 2006 | 88° | 50° | 69° | — | — |
| 2005 | 90° | 50° | 70° | — | — |
| 2004 | 75° | 57° | 66° | — | — |
| 2003 | 81° | 61° | 71° | — | — |
| 2002 | 72° | 54° | 63° | — | — |
| 2001 | 75° | 54° | 64° | — | — |
| 2000 | 81° | 54° | 67° | — | — |
| 1999 | 98° | 50° | 74° | — | — |
| 1998 | 95° | 51° | 73° | — | — |
| 1997 | 93° | 56° | 74° | — | — |
| 1996 | — | 51° | — | — | — |
| 1995 | 93° | 60° | 77° | — | — |
| 1994 | 88° | 57° | 72° | — | — |
| 1993 | 89° | 52° | 70° | — | — |
| 1992 | 90° | 58° | 74° | — | — |
| 1991 | 99° | 51° | 75° | — | — |
| 1990 | 81° | 51° | 66° | — | — |
| 1989 | 78° | 52° | 65° | — | — |
| 1988 | 81° | 51° | 66° | — | — |
| 1987 | 84° | 50° | 67° | — | — |
| 1986warmest | 96° | 72° | 84° | — | — |
| 1985 | 87° | 45° | 66° | — | — |
| 1984 | 88° | 60° | 74° | — | — |
| 1983 | 77° | 57° | 67° | — | — |
| 1982 | 104° | 62° | 83° | — | — |
| 1981 | 99° | 50° | 74° | — | — |
| 1980 | 83° | 46° | 64° | — | — |
| 1979 | 85° | 47° | 66° | — | — |
| 1978 | 84° | 47° | 65° | — | — |
| 1977 | 96° | 62° | 79° | — | — |
| 1976 | 86° | 54° | 70° | — | — |
| 1975 | 76° | 54° | 65° | — | — |
| 1974 | 82° | 51° | 67° | — | — |
| 1973 | 89° | 64° | 77° | — | — |
| 1972 | 96° | 57° | 77° | — | — |
| 1971 | 83° | 58° | 70° | — | — |
55 years of data from OJAI CALIFORNIA