Weather on March 21
Chula Vista, CA
55 Years of Data
Avg High
67°F
Avg Low
51°F
Warmest
1986
68°F avg
Coldest
1991
52°F avg
About This Date
March 21st in Chula Vista, CA typically brings mild spring weather, with average highs around 67°F and lows near 51°F. Over 56 years of records, the warmest March 21st was in 1986 (68°F average), while the coldest was 1991 (52°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 25% of March 21st dates historically, with the wettest March 21st recording 2.41" 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 March 21st in Chula Vista, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 74° | 54° | 64° | — | — |
| 2025 | 66° | 46° | 56° | — | — |
| 2024 | 68° | 56° | 62° | — | — |
| 2023 | 65° | 54° | 59° | 2.29" | — |
| 2022 | 67° | 48° | 57° | — | — |
| 2021 | 63° | 45° | 54° | — | — |
| 2020 | 65° | 49° | 57° | — | — |
| 2019 | 62° | 50° | 56° | 0.13" | — |
| 2018 | 73° | 52° | 62° | — | — |
| 2017 | 69° | 52° | 60° | — | — |
| 2016 | 68° | 57° | 63° | — | — |
| 2015 | 70° | 61° | 65° | — | — |
| 2014 | 67° | 60° | 63° | — | — |
| 2013 | 62° | 54° | 58° | — | — |
| 2012 | 71° | 47° | 59° | — | — |
| 2011 | 61° | 50° | 55° | 2.41" | — |
| 2010 | 73° | 51° | 62° | — | — |
| 2009 | 65° | 56° | 60° | — | — |
| 2008 | 73° | 46° | 60° | — | — |
| 2007 | 63° | 54° | 58° | 0.97" | — |
| 2006 | 61° | 46° | 53° | 0.81" | — |
| 2005 | 67° | 50° | 58° | — | — |
| 2004 | 67° | 56° | 61° | — | — |
| 2003 | 67° | 48° | 57° | — | — |
| 2002 | 71° | 45° | 58° | 0.08" | — |
| 2001 | 64° | 56° | 60° | — | — |
| 2000 | 66° | 45° | 55° | — | — |
| 1999 | 64° | 47° | 55° | — | — |
| 1998 | 70° | 56° | 63° | — | — |
| 1997 | 80° | 49° | 64° | — | — |
| 1996 | 66° | 58° | 62° | — | — |
| 1995 | 65° | 55° | 60° | — | — |
| 1994 | 68° | 53° | 61° | — | — |
| 1993 | 68° | 59° | 64° | — | — |
| 1992 | 67° | 56° | 61° | 0.43" | — |
| 1991coldest | 60° | 45° | 52° | 2.41" | — |
| 1990 | 76° | 52° | 64° | — | — |
| 1989 | 86° | 45° | 65° | — | — |
| 1988 | 80° | 47° | 63° | — | — |
| 1987 | 63° | 49° | 56° | 0.74" | — |
| 1986warmest | 85° | 52° | 68° | — | — |
| 1985 | 63° | 50° | 56° | — | — |
| 1984 | 76° | 51° | 63° | — | — |
| 1983 | 63° | 49° | 56° | 1.14" | — |
| 1982 | 69° | 41° | 55° | — | — |
| 1981 | 63° | 47° | 55° | — | — |
| 1980 | 65° | 51° | 58° | — | — |
| 1979 | 59° | 49° | 54° | 0.97" | — |
| 1978 | 65° | 57° | 61° | 0.08" | — |
| 1977 | 61° | 45° | 53° | — | — |
| 1976 | 72° | 49° | 60° | — | — |
| 1975 | 60° | 50° | 55° | — | — |
| 1974 | 61° | 50° | 55° | 0.33" | — |
| 1973 | 58° | 50° | 54° | 0.23" | — |
| 1972 | 62° | 56° | 59° | — | — |
| 1971 | 60° | 47° | 53° | — | — |
56 years of data from CHULA VISTA