Weather on October 21
Chula Vista, CA
55 Years of Data
About This Date
October 21st in Chula Vista, CA typically brings pleasant fall weather, with average highs around 75°F and lows near 57°F. Over 55 years of records, the warmest October 21st was in 1999 (75°F average), while the coldest was 1971 (58°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 13% of October 21st dates historically, with the wettest October 21st recording 0.81" of rain. 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 21st in Chula Vista, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 53° | 66° | — | — |
| 2024 | 83° | 55° | 69° | — | — |
| 2023 | 80° | 59° | 70° | — | — |
| 2022 | 73° | 61° | 67° | — | — |
| 2021 | 71° | 51° | 61° | — | — |
| 2020 | 72° | 65° | 68° | — | — |
| 2019 | 88° | 58° | 73° | — | — |
| 2018 | 72° | 55° | 63° | — | — |
| 2017 | 74° | 56° | 65° | — | — |
| 2016 | 82° | 57° | 70° | — | — |
| 2015 | 79° | 60° | 69° | — | — |
| 2014 | 76° | 66° | 71° | — | — |
| 2013 | 72° | 54° | 63° | — | — |
| 2012 | 70° | 63° | 66° | 0.46" | — |
| 2011 | 69° | 61° | 65° | — | — |
| 2010 | 67° | 58° | 62° | — | — |
| 2009 | 77° | 54° | 65° | — | — |
| 2008 | 69° | 52° | 60° | — | — |
| 2007 | 87° | 54° | 70° | — | — |
| 2006 | 77° | 49° | 63° | — | — |
| 2005 | 71° | 63° | 67° | — | — |
| 2004 | 70° | 59° | 64° | 0.81" | — |
| 2003 | 90° | 59° | 74° | — | — |
| 2002 | 69° | 56° | 62° | — | — |
| 2001 | 75° | 60° | 68° | — | — |
| 2000 | 68° | 63° | 65° | — | — |
| 1999warmest | 92° | 58° | 75° | — | — |
| 1998 | 71° | 51° | 61° | — | — |
| 1997 | 73° | 60° | 67° | — | — |
| 1996 | 77° | 51° | 64° | — | — |
| 1995 | 74° | 63° | 68° | — | — |
| 1994 | 73° | 53° | 63° | — | — |
| 1993 | 86° | 54° | 70° | — | — |
| 1992 | 73° | 58° | 65° | — | — |
| 1991 | 72° | 59° | 65° | — | — |
| 1990 | 86° | 52° | 69° | — | — |
| 1989 | 70° | 59° | 64° | 0.51" | — |
| 1988 | 73° | 64° | 69° | — | — |
| 1987 | 78° | 59° | 69° | — | — |
| 1986 | 82° | 56° | 69° | — | — |
| 1985 | 72° | 56° | 64° | 0.38" | — |
| 1984 | 70° | 51° | 60° | — | — |
| 1983 | 76° | — | — | — | — |
| 1982 | 77° | 56° | 66° | — | — |
| 1981 | 70° | 54° | 62° | — | — |
| 1980 | 83° | 55° | 69° | — | — |
| 1979 | 69° | 56° | 62° | 0.69" | — |
| 1978 | 75° | 65° | 70° | — | — |
| 1977 | 68° | 56° | 62° | — | — |
| 1976 | 73° | 65° | 69° | 0.53" | — |
| 1975 | 68° | 57° | 63° | — | — |
| 1974 | 67° | 61° | 64° | — | — |
| 1973 | 68° | 57° | 63° | — | — |
| 1972 | 67° | 53° | 60° | 0.05" | — |
| 1971coldest | 67° | 50° | 58° | — | — |
Chula Vista, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Chula Vista, CA Monthly Precipitation
Average rainfall per month, in inches.
Chula Vista, 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 Chula Vista, CA
Most pleasant months in Chula Vista, CA: June.