Weather on October 21
Ventura, CA
55 Years of Data
Avg High
80°F
Avg Low
48°F
Warmest
2003
78°F avg
Coldest
1975
53°F avg
About This Date
October 21st in Ventura, CA typically brings warm fall weather, with average highs around 80°F and lows near 48°F — a 32°F daily swing. Over 55 years of records, the warmest October 21st was in 2003 (78°F average), while the coldest was 1975 (53°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 2% of October 21st dates historically. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Ventura, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 43° | 64° | — | — |
| 2024 | 85° | 41° | 63° | — | — |
| 2023 | 98° | 44° | 71° | — | — |
| 2022 | 91° | 46° | 69° | — | — |
| 2021 | 77° | 38° | 57° | — | — |
| 2020 | 83° | 48° | 65° | — | — |
| 2019 | 86° | 45° | 65° | — | — |
| 2018 | 91° | 46° | 69° | — | — |
| 2017 | 79° | 40° | 59° | — | — |
| 2016 | 97° | 44° | 70° | — | — |
| 2015 | 85° | 47° | 66° | — | — |
| 2014 | 80° | 45° | 62° | — | — |
| 2013 | 81° | 38° | 59° | — | — |
| 2012 | 68° | 59° | 64° | — | — |
| 2011 | 75° | 50° | 63° | — | — |
| 2010 | 61° | 55° | 58° | — | — |
| 2009 | 82° | 46° | 64° | — | — |
| 2008 | 90° | 46° | 68° | — | — |
| 2007 | 82° | 48° | 65° | — | — |
| 2006 | 86° | 48° | 67° | — | — |
| 2005 | 72° | 50° | 61° | — | — |
| 2004 | 66° | 43° | 54° | — | — |
| 2003warmest | 99° | 57° | 78° | — | — |
| 2002 | 102° | 50° | 76° | — | — |
| 2001 | 68° | 54° | 61° | — | — |
| 2000 | 66° | 52° | 59° | — | — |
| 1999 | 98° | 48° | 73° | — | — |
| 1998 | 80° | 42° | 61° | — | — |
| 1997 | 77° | 45° | 61° | — | — |
| 1996 | 78° | 38° | 58° | — | — |
| 1995 | 71° | 54° | 62° | — | — |
| 1994 | — | 42° | — | — | — |
| 1993 | 85° | 48° | 66° | — | — |
| 1992 | 70° | 54° | 62° | — | — |
| 1991 | 77° | 59° | 68° | — | — |
| 1990 | 81° | 40° | 60° | — | — |
| 1989 | 66° | 54° | 60° | — | — |
| 1988 | 78° | 56° | 67° | — | — |
| 1987 | 79° | 62° | 70° | — | — |
| 1986 | 82° | 50° | 66° | — | — |
| 1985 | 64° | 53° | 59° | — | — |
| 1984 | 73° | 40° | 56° | — | — |
| 1983 | 86° | 45° | 65° | — | — |
| 1982 | 80° | 48° | 64° | — | — |
| 1981 | 85° | 43° | 64° | — | — |
| 1980 | 86° | 43° | 64° | — | — |
| 1979 | 74° | 36° | 55° | — | — |
| 1978 | 75° | 52° | 63° | — | — |
| 1977 | 76° | 44° | 60° | — | — |
| 1976 | 79° | 58° | 68° | 0.1" | — |
| 1975coldest | 60° | 46° | 53° | — | — |
| 1974 | 68° | 55° | 62° | — | — |
| 1973 | 78° | 53° | 66° | — | — |
| 1972 | 74° | 43° | 58° | — | — |
| 1971 | 82° | 54° | 68° | — | — |
55 years of data from OJAI CALIFORNIA