Weather on October 20 at Channel Islands
Channel Islands National Park
Based on 54 years of data from Ventura, CA
Planning Your Visit
October 20th in Channel Islands National Park (via Ventura, CA) typically brings warm fall weather, with average highs around 80°F and lows near 47°F — a 33°F daily swing. Over 54 years of records, the warmest October 20th was in 2003 (76°F average), while the coldest was 2021 (53°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 2% of October 20th dates historically, with the wettest October 20th recording 1.65" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Channel Islands? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 87°F | 42°F | 0" | -- |
| 2024 | 86°F | 40°F | 0" | -- |
| 2023 | 95°F | 51°F | 0" | -- |
| 2022 | 97°F | 53°F | 0" | -- |
| 2021 | 71°F | 36°F | 0" | -- |
| 2020 | 82°F | 49°F | 0" | -- |
| 2019 | 85°F | 45°F | 0" | -- |
| 2018 | 91°F | 45°F | 0" | -- |
| 2017 | 83°F | 47°F | 0" | -- |
| 2016 | 92°F | 43°F | 0" | -- |
| 2015 | 78°F | 49°F | 0" | -- |
| 2014 | 79°F | 46°F | 0" | -- |
| 2013 | 85°F | 40°F | 0" | -- |
| 2012 | 68°F | 57°F | -- | -- |
| 2011 | 64°F | 48°F | -- | -- |
| 2010 | 68°F | 57°F | -- | -- |
| 2009 | 73°F | 48°F | -- | -- |
| 2008 | 75°F | 45°F | -- | -- |
| 2007 | 79°F | 50°F | -- | -- |
| 2006 | 84°F | 48°F | -- | -- |
| 2005 | 86°F | 48°F | -- | -- |
| 2004 | 64°F | 48°F | -- | -- |
| 2003 | 97°F | 55°F | -- | -- |
| 2002 | 73°F | 45°F | -- | -- |
| 2001 | 72°F | 48°F | -- | -- |
| 2000 | 77°F | 46°F | -- | -- |
| 1999 | 97°F | 48°F | 0" | 0" |
| 1998 | 88°F | 43°F | 0" | 0" |
| 1997 | 74°F | 41°F | 0" | 0" |
| 1996 | 74°F | 49°F | 0" | 0" |
| 1995 | 86°F | 50°F | 0" | 0" |
| 1994 | 79°F | 39°F | 0" | 0" |
| 1993 | 91°F | 45°F | 0" | 0" |
| 1992 | 81°F | 47°F | 0" | 0" |
| 1991 | 89°F | 51°F | 0" | 0" |
| 1990 | 77°F | 50°F | 0" | 0" |
| 1988 | 75°F | 54°F | 0" | 0" |
| 1987 | 76°F | 47°F | 0" | 0" |
| 1986 | 78°F | 45°F | 0" | 0" |
| 1985 | 78°F | 42°F | 0" | 0" |
| 1984 | 72°F | 42°F | 0" | 0" |
| 1983 | 79°F | 51°F | 0" | 0" |
| 1982 | 79°F | 46°F | 0" | 0" |
| 1981 | 88°F | 43°F | 0" | 0" |
| 1980 | 91°F | 44°F | 0" | 0" |
| 1979 | 73°F | 52°F | 1.65" | 0" |
| 1978 | 89°F | 61°F | 0" | 0" |
| 1977 | 74°F | 44°F | 0" | 0" |
| 1976 | 71°F | 53°F | 0" | 0" |
| 1975 | 76°F | 48°F | 0" | 0" |
| 1974 | 74°F | 43°F | 0" | 0" |
| 1973 | 84°F | 50°F | 0" | 0" |
| 1972 | 69°F | 43°F | 0" | 0" |
| 1971 | 81°F | 42°F | 0" | 0" |