Weather on October 18
Chula Vista, CA
55 Years of Data
Avg High
74°F
Avg Low
57°F
Warmest
2015
74°F avg
Coldest
1971
56°F avg
About This Date
October 18th in Chula Vista, CA typically brings pleasant fall weather, with average highs around 74°F and lows near 57°F. Over 55 years of records, the warmest October 18th was in 2015 (74°F average), while the coldest was 1971 (56°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 11% of October 18th dates historically, with the wettest October 18th recording 2.64" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in Chula Vista, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 53° | 70° | — | — |
| 2024 | 72° | 57° | 64° | — | — |
| 2023 | 73° | 62° | 68° | — | — |
| 2022 | 85° | 58° | 71° | — | — |
| 2021 | 67° | 56° | 61° | — | — |
| 2020 | 78° | 60° | 69° | — | — |
| 2019 | 75° | 57° | 66° | — | — |
| 2018 | 83° | 55° | 69° | — | — |
| 2017 | 76° | 62° | 69° | — | — |
| 2016 | 73° | 61° | 67° | — | — |
| 2015warmest | 77° | 71° | 74° | 0.03" | — |
| 2014 | 73° | 61° | 67° | — | — |
| 2013 | 79° | 51° | 65° | — | — |
| 2012 | 76° | 67° | 71° | — | — |
| 2011 | 71° | 60° | 66° | — | — |
| 2010 | 66° | 60° | 63° | 0.1" | — |
| 2009 | 70° | 61° | 65° | — | — |
| 2008 | 74° | 51° | 62° | — | — |
| 2007 | 75° | 53° | 64° | — | — |
| 2006 | 76° | 52° | 64° | — | — |
| 2005 | 70° | 56° | 63° | 0.28" | — |
| 2004 | 73° | 63° | 68° | 2.64" | — |
| 2003 | 87° | 59° | 73° | — | — |
| 2002 | 65° | 58° | 61° | — | — |
| 2001 | 75° | 51° | 63° | — | — |
| 2000 | 70° | 62° | 66° | — | — |
| 1999 | 85° | 51° | 68° | — | — |
| 1998 | 80° | 48° | 64° | — | — |
| 1997 | 80° | 54° | 67° | — | — |
| 1996 | 71° | 55° | 63° | — | — |
| 1995 | 73° | 62° | 68° | — | — |
| 1994 | 76° | 50° | 63° | — | — |
| 1993 | 72° | 55° | 63° | — | — |
| 1992 | 72° | 58° | 65° | — | — |
| 1991 | 78° | 57° | 68° | — | — |
| 1990 | 76° | 59° | 67° | — | — |
| 1989 | 79° | 53° | 66° | — | — |
| 1988 | 75° | 57° | 66° | — | — |
| 1987 | 71° | 66° | 69° | — | — |
| 1986 | — | 52° | — | — | — |
| 1985 | 74° | 61° | 67° | — | — |
| 1984 | 69° | — | — | — | — |
| 1983 | 77° | 57° | 67° | — | — |
| 1982 | 72° | 54° | 63° | — | — |
| 1981 | 74° | 53° | 63° | — | — |
| 1980 | 66° | 49° | 57° | — | — |
| 1979 | 72° | 65° | 68° | — | — |
| 1978 | 69° | 56° | 62° | — | — |
| 1977 | 68° | 62° | 65° | — | — |
| 1976 | 72° | 63° | 67° | — | — |
| 1975 | 68° | 56° | 62° | — | — |
| 1974 | 80° | 53° | 67° | — | — |
| 1973 | 78° | 58° | 68° | — | — |
| 1972 | 68° | 60° | 64° | 1.04" | — |
| 1971coldest | 64° | 49° | 56° | 0.1" | — |
55 years of data from CHULA VISTA