Weather on October 3
El Cajon, CA
55 Years of Data
Avg High
83°F
Avg Low
59°F
Warmest
1987
82°F avg
Coldest
1986
63°F avg
About This Date
October 3rd in El Cajon, CA typically brings warm fall weather, with average highs around 83°F and lows near 59°F. Over 55 years of records, the warmest October 3rd was in 1987 (82°F average), while the coldest was 1986 (63°F) — a 19°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for October 3rd in El Cajon, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 59° | 67° | — | — |
| 2024 | 88° | 61° | 74° | — | — |
| 2023 | 83° | 51° | 67° | — | — |
| 2022 | 81° | 66° | 73° | — | — |
| 2021 | 95° | 58° | 76° | — | — |
| 2020 | 99° | 59° | 79° | — | — |
| 2019 | 82° | 52° | 67° | — | — |
| 2018 | 80° | 65° | 72° | — | — |
| 2017 | 74° | 64° | 69° | — | — |
| 2016 | 76° | 57° | 66° | — | — |
| 2015 | 80° | 62° | 71° | — | — |
| 2014 | 99° | 55° | 77° | — | — |
| 2013 | 74° | 61° | 67° | — | — |
| 2012 | 92° | 61° | 76° | — | — |
| 2011 | 85° | 61° | 73° | — | — |
| 2010 | 79° | 64° | 71° | — | — |
| 2009 | 78° | 53° | 66° | — | — |
| 2008 | 75° | 62° | 69° | — | — |
| 2007 | 81° | 63° | 72° | — | — |
| 2006 | 76° | 60° | 68° | — | — |
| 2005 | 78° | 59° | 69° | — | — |
| 2004 | 82° | 59° | 71° | — | — |
| 2003 | 72° | 61° | 66° | — | — |
| 2002 | 76° | 52° | 64° | — | — |
| 2001 | 78° | 61° | 69° | — | — |
| 2000 | 78° | 65° | 71° | — | — |
| 1999 | 85° | 56° | 70° | — | — |
| 1998 | 71° | 61° | 66° | — | — |
| 1997 | 83° | 67° | 75° | — | — |
| 1996 | 86° | 58° | 72° | — | — |
| 1995 | 100° | 54° | 77° | — | — |
| 1994 | 70° | 61° | 65° | — | — |
| 1993 | 83° | 65° | 74° | — | — |
| 1992 | 77° | 58° | 67° | — | — |
| 1991 | 93° | 61° | 77° | — | — |
| 1990 | 84° | 63° | 73° | — | — |
| 1989 | 75° | 61° | 68° | — | — |
| 1988 | 84° | 57° | 71° | — | — |
| 1987warmest | 103° | 61° | 82° | — | — |
| 1986coldest | 75° | 50° | 63° | — | — |
| 1985 | 101° | 60° | 80° | — | — |
| 1984 | 76° | 57° | 66° | — | — |
| 1983 | 82° | 50° | 66° | — | — |
| 1982 | 86° | 50° | 68° | — | — |
| 1981 | 74° | 62° | 68° | — | — |
| 1980 | 88° | 57° | 72° | — | — |
| 1979 | 85° | 59° | 72° | — | — |
| 1978 | — | 57° | — | — | — |
| 1977 | 85° | 59° | 72° | — | — |
| 1976 | 78° | 56° | 67° | — | — |
| 1975 | 98° | 58° | 78° | — | — |
| 1974 | 77° | 57° | 67° | — | — |
| 1973 | 76° | 60° | 68° | — | — |
| 1972 | 79° | 50° | 64° | — | — |
| 1971 | 86° | 45° | 65° | — | — |
55 years of data from GILLESPIE FLD