Weather on March 21
Ventura, CA
55 Years of Data
Avg High
70°F
Avg Low
43°F
Warmest
2026
72°F avg
Coldest
1987
43°F avg
About This Date
March 21st in Ventura, CA typically brings pleasant spring weather, with average highs around 70°F and lows near 43°F — a 27°F daily swing. Over 56 years of records, the warmest March 21st was in 2026 (72°F average), while the coldest was 1987 (43°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 23% of March 21st dates historically, with the wettest March 21st recording 3.05" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for March 21st in Ventura, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 96° | 49° | 72° | — | — |
| 2025 | 73° | 38° | 55° | — | — |
| 2024 | 75° | 39° | 57° | — | — |
| 2023 | 60° | 43° | 51° | 2.03" | — |
| 2022 | 76° | 42° | 59° | — | — |
| 2021 | 68° | 29° | 48° | — | — |
| 2020 | 60° | 44° | 52° | — | — |
| 2019 | 61° | 38° | 49° | 0.33" | — |
| 2018 | 68° | 49° | 58° | 1.47" | — |
| 2017 | 70° | 49° | 59° | 0.33" | — |
| 2016 | 73° | 46° | 60° | — | — |
| 2015 | 85° | 43° | 64° | — | — |
| 2014 | 69° | 58° | 63° | — | — |
| 2013 | 79° | 44° | 61° | — | — |
| 2012 | 73° | 39° | 56° | — | — |
| 2011 | 54° | 39° | 46° | — | — |
| 2010 | 75° | 45° | 60° | — | — |
| 2009 | 55° | 50° | 53° | — | — |
| 2008 | 79° | 41° | 60° | — | — |
| 2007 | 59° | 45° | 52° | — | — |
| 2006 | 57° | 34° | 45° | — | — |
| 2005 | 64° | 41° | 53° | — | — |
| 2004 | 77° | 50° | 64° | — | — |
| 2003 | 73° | 45° | 59° | — | — |
| 2002 | 77° | 45° | 61° | — | — |
| 2001 | 66° | 48° | 57° | — | — |
| 2000 | — | 38° | — | — | — |
| 1999 | 69° | 40° | 54° | 0.13" | — |
| 1998 | 80° | 45° | 62° | — | — |
| 1997 | 80° | 41° | 61° | — | — |
| 1996 | 70° | 45° | 57° | — | — |
| 1995 | 61° | 49° | 55° | 1.24" | — |
| 1994 | 71° | 44° | 58° | — | — |
| 1993 | 76° | 41° | 58° | — | — |
| 1992 | 62° | 48° | 55° | 3.05" | — |
| 1991 | 62° | 32° | 47° | — | — |
| 1990 | 85° | 46° | 65° | — | — |
| 1989 | 82° | 39° | 61° | — | — |
| 1988 | 83° | 46° | 64° | — | — |
| 1987coldest | 53° | 32° | 43° | 0.03" | — |
| 1986 | 84° | 44° | 64° | — | — |
| 1985 | 76° | 41° | 58° | — | — |
| 1984 | 76° | 45° | 60° | — | — |
| 1983 | 61° | 41° | 51° | 2.54" | — |
| 1982 | 68° | 32° | 50° | — | — |
| 1981 | 61° | 41° | 51° | 0.1" | — |
| 1980 | 68° | 38° | 53° | — | — |
| 1979 | 57° | 42° | 50° | 0.25" | — |
| 1978 | 67° | 54° | 60° | 0.71" | — |
| 1977 | 84° | 39° | 62° | — | — |
| 1976 | 86° | 40° | 63° | — | — |
| 1975 | 61° | 45° | 53° | — | — |
| 1974 | 61° | 49° | 55° | — | — |
| 1973 | 56° | 33° | 44° | 0.64" | — |
| 1972 | 72° | 49° | 60° | — | — |
| 1971 | 68° | 41° | 55° | — | — |
56 years of data from OJAI CALIFORNIA