Weather on October 20
Downey, CA
55 Years of Data
Avg High
81°F
Avg Low
58°F
Warmest
2016
81°F avg
Coldest
2004
57°F avg
About This Date
October 20th in Downey, CA typically brings warm fall weather, with average highs around 81°F and lows near 58°F. Over 55 years of records, the warmest October 20th was in 2016 (81°F average), while the coldest was 2004 (57°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 5% of October 20th dates historically. The last decade has been 5.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.6°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Downey, 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 | 87° | 61° | 74° | — | — |
| 2024 | 86° | 64° | 75° | — | — |
| 2023 | 92° | 69° | 80° | — | — |
| 2022 | 90° | 64° | 77° | — | — |
| 2021 | 76° | 54° | 65° | — | — |
| 2020 | 83° | 60° | 71° | — | — |
| 2019 | 89° | 57° | 73° | — | — |
| 2018 | 91° | 70° | 80° | — | — |
| 2017 | 76° | 57° | 66° | — | — |
| 2016warmest | 99° | 63° | 81° | — | — |
| 2015 | 80° | 60° | 70° | — | — |
| 2014 | 80° | 60° | 70° | — | — |
| 2013 | 78° | 53° | 66° | — | — |
| 2012 | 76° | 60° | 68° | — | — |
| 2011 | 78° | 54° | 66° | — | — |
| 2010 | 63° | 56° | 59° | — | — |
| 2009 | 78° | 55° | 67° | — | — |
| 2008 | 77° | 57° | 67° | — | — |
| 2007 | 79° | 56° | 67° | — | — |
| 2006 | 89° | 63° | 76° | — | — |
| 2005 | 78° | 54° | 66° | — | — |
| 2004coldest | 61° | 54° | 57° | — | — |
| 2003 | 99° | 61° | 80° | — | — |
| 2002 | 75° | 53° | 64° | — | — |
| 2001 | 84° | 57° | 71° | — | — |
| 2000 | 75° | 54° | 64° | — | — |
| 1999 | 98° | 61° | 79° | — | — |
| 1998 | 86° | 51° | 69° | — | — |
| 1997 | 82° | 61° | 71° | — | — |
| 1996 | 76° | 54° | 65° | — | — |
| 1995 | 81° | 58° | 69° | — | — |
| 1994 | 78° | 54° | 66° | — | — |
| 1993 | 90° | 55° | 72° | — | — |
| 1992 | 78° | 58° | 68° | — | — |
| 1991 | 90° | 62° | 76° | — | — |
| 1990 | 82° | 64° | 73° | — | — |
| 1989 | — | 56° | — | — | — |
| 1988 | 78° | 62° | 70° | — | — |
| 1987 | 74° | 56° | 65° | — | — |
| 1986 | 82° | 60° | 71° | — | — |
| 1985 | 80° | 56° | 68° | — | — |
| 1984 | 76° | 55° | 65° | — | — |
| 1983 | 80° | 63° | 71° | — | — |
| 1982 | 80° | 56° | 68° | — | — |
| 1981 | 95° | 57° | 76° | — | — |
| 1980 | 91° | 52° | 71° | — | — |
| 1979 | 74° | 53° | 63° | 0.15" | — |
| 1978 | 78° | 66° | 72° | 0.05" | — |
| 1977 | 72° | 57° | 64° | — | — |
| 1976 | 80° | 68° | 74° | 0.03" | — |
| 1975 | 74° | 59° | 66° | — | — |
| 1974 | 70° | 61° | 65° | — | — |
| 1973 | 76° | 57° | 66° | — | — |
| 1972 | 70° | 57° | 63° | — | — |
| 1971 | 85° | 52° | 68° | — | — |
55 years of data from MONTEBELLO