Weather on November 18
El Cajon, CA
55 Years of Data
Avg High
74°F
Avg Low
47°F
Warmest
2003
78°F avg
Coldest
1971
49°F avg
About This Date
November 18th in El Cajon, CA typically brings pleasant fall weather, with average highs around 74°F and lows near 47°F — a 27°F daily swing. Over 55 years of records, the warmest November 18th was in 2003 (78°F average), while the coldest was 1971 (49°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 16% of November 18th dates historically, with the wettest November 18th recording 2.79" of rain. The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
Planning for November 18th in El Cajon, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 49° | 55° | 0.58" | — |
| 2024 | 64° | 38° | 51° | — | — |
| 2023 | 71° | 59° | 65° | 1.12" | — |
| 2022 | 71° | 38° | 54° | — | — |
| 2021 | 71° | 51° | 61° | — | — |
| 2020 | 75° | 47° | 61° | — | — |
| 2019 | 93° | 50° | 72° | — | — |
| 2018 | 79° | 45° | 62° | — | — |
| 2017 | 82° | 48° | 65° | — | — |
| 2016 | 81° | 42° | 61° | — | — |
| 2015 | 81° | 41° | 61° | — | — |
| 2014 | 80° | 40° | 60° | — | — |
| 2013 | 69° | 47° | 58° | — | — |
| 2012 | 71° | 55° | 63° | — | — |
| 2011 | 62° | 50° | 56° | — | — |
| 2010 | 74° | 47° | 60° | — | — |
| 2009 | 70° | 41° | 55° | — | — |
| 2008 | 91° | 47° | 69° | — | — |
| 2007 | 76° | 51° | 63° | — | — |
| 2006 | 87° | 46° | 67° | — | — |
| 2005 | 88° | 61° | 74° | — | — |
| 2004 | 76° | 47° | 61° | — | — |
| 2003warmest | 81° | 76° | 78° | — | — |
| 2002 | 87° | 43° | 65° | — | — |
| 2001 | 79° | 44° | 61° | — | — |
| 2000 | 73° | 34° | 53° | — | — |
| 1999 | 69° | 46° | 58° | — | — |
| 1998 | 74° | 46° | 60° | — | — |
| 1997 | 68° | 43° | 55° | — | — |
| 1996 | 75° | 46° | 61° | — | — |
| 1995 | 82° | 42° | 62° | — | — |
| 1994 | 63° | 49° | 56° | 0.36" | — |
| 1993 | 69° | 43° | 56° | — | — |
| 1992 | 69° | 51° | 60° | — | — |
| 1991 | 65° | 53° | 59° | 0.05" | — |
| 1990 | 72° | 56° | 64° | — | — |
| 1989 | 87° | 43° | 65° | — | — |
| 1988 | 69° | 39° | 54° | — | — |
| 1987 | 78° | 53° | 66° | 0.28" | — |
| 1986 | 70° | 63° | 66° | 2.79" | — |
| 1985 | 63° | 47° | 55° | — | — |
| 1984 | 66° | 45° | 55° | — | — |
| 1983 | 72° | 56° | 64° | — | — |
| 1982 | 66° | 52° | 59° | — | — |
| 1981 | 75° | 51° | 63° | 0.1" | — |
| 1980 | 75° | 35° | 55° | — | — |
| 1979 | 70° | 50° | 60° | 0.05" | — |
| 1978 | 74° | 38° | 56° | — | — |
| 1977 | 75° | 52° | 63° | — | — |
| 1976 | 83° | 45° | 64° | — | — |
| 1975 | 62° | 48° | 55° | — | — |
| 1974 | 67° | 49° | 58° | — | — |
| 1973 | 63° | 53° | 58° | 1.65" | — |
| 1972 | 68° | 41° | 55° | — | — |
| 1971coldest | 61° | 38° | 49° | — | — |
55 years of data from GILLESPIE FLD