Weather on October 31
El Cajon, CA
55 Years of Data
About This Date
October 31st in El Cajon, CA typically brings pleasant fall weather, with average highs around 77°F and lows near 50°F — a 27°F daily swing. Over 55 years of records, the warmest October 31st was in 2008 (72°F average), while the coldest was 1971 (51°F) — a 21°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 El Cajon, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 55° | 67° | — | — |
| 2024 | 75° | 44° | 60° | — | — |
| 2023 | 84° | 40° | 62° | — | — |
| 2022 | 84° | 47° | 65° | — | — |
| 2021 | 73° | 57° | 65° | — | — |
| 2020 | 87° | 47° | 67° | — | — |
| 2019 | 81° | 36° | 58° | — | — |
| 2018 | 83° | 52° | 67° | — | — |
| 2017 | 68° | 60° | 64° | — | — |
| 2016 | 72° | 61° | 66° | — | — |
| 2015 | 90° | 52° | 71° | — | — |
| 2014 | 72° | 66° | 69° | — | — |
| 2013 | 80° | 45° | 62° | — | — |
| 2012 | 75° | 51° | 63° | — | — |
| 2011 | 90° | 46° | 68° | — | — |
| 2010 | 68° | 47° | 57° | — | — |
| 2009 | 83° | 44° | 63° | — | — |
| 2008warmest | 90° | 55° | 72° | — | — |
| 2007 | 69° | 52° | 60° | — | — |
| 2006 | 70° | 54° | 62° | — | — |
| 2005 | 86° | 51° | 69° | — | — |
| 2004 | 73° | 45° | 59° | — | — |
| 2003 | 90° | 50° | 70° | — | — |
| 2002 | 60° | 56° | 58° | — | — |
| 2001 | 78° | 57° | 68° | — | — |
| 2000 | 69° | 48° | 59° | — | — |
| 1999 | 92° | 46° | 69° | — | — |
| 1998 | 73° | 51° | 62° | — | — |
| 1997 | 89° | 46° | 68° | — | — |
| 1996 | 67° | 42° | 54° | 0.4" | — |
| 1995 | 62° | 69° | 66° | — | — |
| 1994 | 86° | 46° | 66° | — | — |
| 1993 | 77° | 54° | 65° | — | — |
| 1992 | 70° | 50° | 60° | — | — |
| 1991 | 74° | 41° | 57° | — | — |
| 1990 | 78° | 54° | 66° | — | — |
| 1989 | 78° | 40° | 59° | — | — |
| 1988 | 78° | 56° | 67° | — | — |
| 1987 | 66° | 54° | 60° | — | — |
| 1986 | 72° | 51° | 61° | — | — |
| 1985 | 73° | 59° | 66° | — | — |
| 1984 | 68° | 57° | 63° | — | — |
| 1983 | 82° | 58° | 70° | — | — |
| 1982 | 76° | 58° | 67° | — | — |
| 1981 | 84° | 40° | 62° | — | — |
| 1980 | 88° | 46° | 67° | — | — |
| 1979 | 74° | 46° | 60° | — | — |
| 1978 | 71° | 57° | 64° | 0.02" | — |
| 1977 | 75° | 47° | 61° | — | — |
| 1976 | 83° | 43° | 63° | — | — |
| 1975 | 73° | 52° | 62° | — | — |
| 1974 | 66° | 46° | 56° | — | — |
| 1973 | 88° | 45° | 66° | — | — |
| 1972 | 70° | 37° | 53° | — | — |
| 1971coldest | 66° | 35° | 51° | — | — |
El Cajon, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
El Cajon, CA Monthly Precipitation
Average rainfall per month, in inches.
El Cajon, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit El Cajon, CA
Most pleasant months in El Cajon, CA: January, February, March, April, May, June, October, November, December.
What to expect on October 31st
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
October 31st outlook →