Weather on October 31
Downey, CA
55 Years of Data
Avg High
78°F
Avg Low
55°F
Warmest
1999
80°F avg
Coldest
1971
55°F avg
About This Date
October 31st in Downey, CA typically brings pleasant fall weather, with average highs around 78°F and lows near 55°F. Over 55 years of records, the warmest October 31st was in 1999 (80°F average), while the coldest was 1971 (55°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 4% of October 31st dates historically. 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 October 31st in Downey, CA? Great weather for outdoor activities.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 57° | 69° | — | — |
| 2024 | 75° | 53° | 64° | — | — |
| 2023 | 87° | 65° | 76° | — | — |
| 2022 | 77° | 60° | 69° | — | — |
| 2021 | 72° | 55° | 63° | — | — |
| 2020 | 86° | 62° | 74° | — | — |
| 2019 | 77° | 55° | 66° | — | — |
| 2018 | 81° | 58° | 69° | — | — |
| 2017 | 68° | 58° | 63° | — | — |
| 2016 | 70° | 56° | 63° | — | — |
| 2015 | 91° | 66° | 79° | — | — |
| 2014 | 70° | 57° | 63° | — | — |
| 2013 | 84° | 56° | 70° | — | — |
| 2012 | 76° | 50° | 63° | — | — |
| 2011 | 87° | 53° | 70° | — | — |
| 2010 | 71° | 52° | 61° | — | — |
| 2009 | 87° | 59° | 73° | — | — |
| 2008 | 83° | 64° | 73° | 0.15" | — |
| 2007 | 98° | 54° | 76° | — | — |
| 2006 | 67° | 53° | 60° | — | — |
| 2005 | 92° | 52° | 72° | — | — |
| 2004 | 72° | 53° | 62° | — | — |
| 2003 | 93° | 53° | 73° | — | — |
| 2002 | 74° | 52° | 63° | — | — |
| 2001 | 74° | 56° | 65° | — | — |
| 2000 | 72° | 50° | 61° | — | — |
| 1999warmest | 95° | 65° | 80° | — | — |
| 1998 | 77° | 56° | 66° | — | — |
| 1997 | 87° | 56° | 71° | — | — |
| 1996 | 67° | 46° | 56° | — | — |
| 1995 | 65° | 51° | 58° | — | — |
| 1994 | 89° | 52° | 70° | — | — |
| 1993 | 83° | 55° | 69° | — | — |
| 1992 | 76° | 54° | 65° | — | — |
| 1991 | 74° | 50° | 62° | — | — |
| 1990 | 78° | 54° | 66° | — | — |
| 1989 | 81° | 52° | 66° | — | — |
| 1988 | 82° | 58° | 70° | — | — |
| 1987 | 70° | 60° | 65° | — | — |
| 1986 | 78° | 56° | 67° | — | — |
| 1985 | 76° | 58° | 67° | — | — |
| 1984 | 70° | 54° | 62° | — | — |
| 1983 | 75° | 62° | 69° | — | — |
| 1982 | 74° | 55° | 64° | — | — |
| 1981 | 82° | 60° | 71° | — | — |
| 1980 | 87° | 61° | 74° | — | — |
| 1979 | 72° | 50° | 61° | — | — |
| 1978 | 70° | 53° | 61° | — | — |
| 1977 | 74° | 50° | 62° | — | — |
| 1976 | 86° | 52° | 69° | — | — |
| 1975 | 72° | 47° | 59° | — | — |
| 1974 | 65° | 50° | 57° | 0.03" | — |
| 1973 | 81° | 50° | 65° | — | — |
| 1972 | 71° | 39° | 55° | — | — |
| 1971coldest | 68° | 43° | 55° | — | — |
55 years of data from MONTEBELLO