Weather on April 21
Lancaster, CA
55 Years of Data
Avg High
74°F
Avg Low
44°F
Warmest
2012
73°F avg
Coldest
1971
43°F avg
About This Date
April 21st in Lancaster, CA typically brings pleasant spring weather, with average highs around 74°F and lows near 44°F — a 30°F daily swing. Over 55 years of records, the warmest April 21st was in 2012 (73°F average), while the coldest was 1971 (43°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 7% of April 21st dates historically, with the wettest April 21st recording 0.69" of rain. The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
Planning for April 21st in Lancaster, CA? Great weather for outdoor activities.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 52° | 67° | — | — |
| 2024 | 89° | 50° | 70° | — | — |
| 2023 | 84° | 38° | 61° | — | — |
| 2022 | 67° | 48° | 57° | 0.15" | — |
| 2021 | 64° | 49° | 56° | — | — |
| 2020 | 72° | 49° | 60° | — | — |
| 2019 | 72° | 45° | 58° | — | — |
| 2018 | 85° | 40° | 62° | — | — |
| 2017 | 83° | 47° | 65° | — | — |
| 2016 | 87° | 47° | 67° | — | — |
| 2015 | 69° | 51° | 60° | — | — |
| 2014 | 85° | 44° | 64° | — | — |
| 2013 | 90° | 46° | 68° | — | — |
| 2012warmest | 95° | 52° | 73° | — | — |
| 2011 | 69° | 52° | 60° | — | — |
| 2010 | 51° | 36° | 43° | 0.69" | — |
| 2009 | 94° | 49° | 71° | — | — |
| 2008 | 72° | 41° | 56° | — | — |
| 2007 | 67° | 39° | 53° | — | — |
| 2006 | 76° | 49° | 62° | — | — |
| 2005 | 78° | 34° | 56° | — | — |
| 2004 | 73° | 50° | 62° | — | — |
| 2003 | 61° | 42° | 51° | 0.08" | — |
| 2002 | 76° | 32° | 54° | — | — |
| 2001 | 55° | 37° | 46° | 0.03" | — |
| 2000 | 68° | 50° | 59° | — | — |
| 1999 | 70° | 55° | 62° | — | — |
| 1998 | 85° | 44° | 64° | — | — |
| 1997 | 78° | 61° | 69° | — | — |
| 1996 | 70° | 44° | 57° | — | — |
| 1995 | 64° | 38° | 51° | — | — |
| 1994 | 78° | 58° | 68° | — | — |
| 1993 | 83° | 51° | 67° | — | — |
| 1992 | 78° | 59° | 69° | — | — |
| 1991 | 65° | 47° | 56° | — | — |
| 1990 | 73° | 47° | 60° | — | — |
| 1989 | 76° | 52° | 64° | — | — |
| 1988 | 61° | 34° | 47° | — | — |
| 1987 | 84° | 35° | 60° | — | — |
| 1986 | 88° | 46° | 67° | — | — |
| 1985 | 65° | 41° | 53° | — | — |
| 1984 | 73° | 34° | 53° | — | — |
| 1983 | 63° | 42° | 52° | — | — |
| 1982 | 68° | 38° | 53° | — | — |
| 1981 | 82° | 43° | 62° | — | — |
| 1980 | 54° | 40° | 47° | — | — |
| 1979 | 78° | 37° | 58° | — | — |
| 1978 | 60° | 41° | 51° | — | — |
| 1977 | 80° | 39° | 60° | — | — |
| 1976 | 82° | 44° | 63° | — | — |
| 1975 | 69° | 42° | 56° | — | — |
| 1974 | 80° | 39° | 60° | — | — |
| 1973 | 69° | 33° | 51° | — | — |
| 1972 | 82° | 35° | 59° | — | — |
| 1971coldest | 50° | 35° | 43° | — | — |
55 years of data from LANCASTER