Weather on February 21
Antioch, CA
55 Years of Data
Avg High
60°F
Avg Low
41°F
Warmest
2020
60°F avg
Coldest
2002
14°F avg
About This Date
February 21st in Antioch, CA typically brings mild winter weather, with average highs around 60°F and lows near 41°F. Over 56 years of records, the warmest February 21st was in 2020 (60°F average), while the coldest was 2002 (14°F) — a 46°F range across recorded history. Rain or other precipitation has occurred on about 27% of February 21st dates historically, with the wettest February 21st recording 2.41" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for February 21st in Antioch, CA? Great weather for outdoor activities.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 42° | 40° | 41° | — | — |
| 2025 | 61° | 46° | 53° | — | — |
| 2024 | 53° | 44° | 49° | — | — |
| 2023 | 58° | 35° | 46° | — | — |
| 2022 | 49° | 37° | 43° | — | — |
| 2021 | 64° | 48° | 56° | — | — |
| 2020warmest | 73° | 46° | 60° | — | — |
| 2019 | 55° | 38° | 46° | — | — |
| 2018 | 49° | 34° | 41° | — | — |
| 2017 | 62° | 49° | 55° | 0.25" | — |
| 2016 | 59° | 43° | 51° | — | — |
| 2015 | 64° | 46° | 55° | 0.03" | — |
| 2014 | 70° | 47° | 58° | — | — |
| 2013 | 61° | 36° | 48° | — | — |
| 2012 | 62° | 43° | 52° | — | — |
| 2011 | 60° | 40° | 50° | — | — |
| 2010 | 47° | 43° | 45° | — | — |
| 2009 | 62° | 43° | 52° | — | — |
| 2008 | 54° | 45° | 49° | 1.37" | — |
| 2007 | 60° | 44° | 52° | 0.28" | — |
| 2006 | 57° | 35° | 46° | — | — |
| 2005 | 64° | 46° | 55° | — | — |
| 2004 | 55° | 47° | 51° | 0.46" | — |
| 2003 | 65° | 38° | 51° | — | — |
| 2002coldest | 60° | -32° | 14° | — | — |
| 2001 | 51° | 43° | 47° | — | — |
| 2000 | 63° | 46° | 54° | 0.08" | — |
| 1999 | 57° | 41° | 49° | 0.08" | — |
| 1998 | 58° | 43° | 50° | — | — |
| 1997 | 62° | 41° | 52° | — | — |
| 1996 | 63° | 46° | 54° | 1.09" | — |
| 1995 | 68° | 44° | 56° | — | — |
| 1994 | 46° | 42° | 44° | 0.05" | — |
| 1993 | 58° | 43° | 50° | 0.2" | — |
| 1992 | 64° | 51° | 58° | 0.03" | — |
| 1991 | 69° | 44° | 57° | — | — |
| 1990 | 48° | 36° | 42° | — | — |
| 1989 | 63° | 48° | 55° | — | — |
| 1988 | 67° | 40° | 53° | — | — |
| 1987 | 64° | 44° | 54° | — | — |
| 1986 | 61° | 44° | 52° | — | — |
| 1985 | 63° | 50° | 56° | — | — |
| 1984 | 62° | 45° | 53° | 0.25" | — |
| 1983 | 65° | 43° | 54° | — | — |
| 1982 | 68° | 49° | 58° | — | — |
| 1981 | 63° | 42° | 52° | — | — |
| 1980 | 58° | — | — | 1.73" | — |
| 1979 | 51° | 46° | 49° | 2.41" | — |
| 1978 | 65° | 39° | 52° | — | — |
| 1977 | 60° | 48° | 54° | 0.71" | — |
| 1976 | 63° | 32° | 47° | — | — |
| 1975 | 57° | 39° | 48° | — | — |
| 1974 | 60° | 37° | 49° | — | — |
| 1973 | 65° | 39° | 52° | — | — |
| 1972 | 63° | 36° | 49° | — | — |
| 1971 | 66° | 34° | 50° | — | — |
56 years of data from ANTIOCH FIBREBRD MILLS