Weather on June 21
Lancaster, CA
55 Years of Data
Avg High
93°F
Avg Low
62°F
Warmest
2008
93°F avg
Coldest
2003
64°F avg
About This Date
June 21st in Lancaster, CA typically brings hot summer weather, with average highs around 93°F and lows near 62°F — a 31°F daily swing. Over 55 years of records, the warmest June 21st was in 2008 (93°F average), while the coldest was 2003 (64°F) — a 29°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in Lancaster, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 58° | 66° | — | — |
| 2024 | 98° | 67° | 82° | — | — |
| 2023 | 87° | 58° | 72° | — | — |
| 2022 | 97° | 54° | 75° | — | — |
| 2021 | 97° | 66° | 81° | — | — |
| 2020 | 98° | 73° | 86° | — | — |
| 2019 | 82° | 58° | 70° | — | — |
| 2018 | 104° | 64° | 84° | — | — |
| 2017 | 107° | 77° | 92° | — | — |
| 2016 | 109° | 73° | 91° | — | — |
| 2015 | 103° | 74° | 88° | — | — |
| 2014 | 95° | 71° | 83° | — | — |
| 2013 | 92° | 63° | 77° | — | — |
| 2012 | 93° | 68° | 81° | — | — |
| 2011 | 103° | 63° | 83° | — | — |
| 2010 | 83° | 58° | 70° | — | — |
| 2009 | 82° | 57° | 70° | — | — |
| 2008warmest | 106° | 81° | 93° | — | — |
| 2007 | 99° | 70° | 84° | — | — |
| 2006 | 101° | 61° | 81° | — | — |
| 2005 | 97° | 58° | 77° | — | — |
| 2004 | 96° | 66° | 81° | — | — |
| 2003coldest | 73° | 56° | 64° | — | — |
| 2002 | 84° | 61° | 72° | — | — |
| 2001 | 102° | 58° | 80° | — | — |
| 2000 | 100° | 70° | 85° | — | — |
| 1999 | 88° | 65° | 76° | — | — |
| 1998 | 83° | 58° | 70° | — | — |
| 1997 | 85° | 64° | 74° | — | — |
| 1996 | 81° | 62° | 71° | — | — |
| 1995 | 88° | 50° | 69° | — | — |
| 1994 | 97° | 63° | 80° | — | — |
| 1993 | 85° | 65° | 75° | — | — |
| 1992 | 90° | 66° | 78° | — | — |
| 1991 | 79° | 59° | 69° | — | — |
| 1990 | 100° | 62° | 81° | — | — |
| 1989 | 95° | 61° | 78° | — | — |
| 1988 | 89° | 51° | 70° | — | — |
| 1987 | 85° | 61° | 73° | — | — |
| 1986 | 94° | 58° | 76° | — | — |
| 1985 | 95° | 52° | 73° | — | — |
| 1984 | 85° | 61° | 73° | — | — |
| 1983 | 86° | 59° | 73° | — | — |
| 1982 | 91° | 62° | 77° | — | — |
| 1981 | 102° | 78° | 90° | — | — |
| 1980 | 88° | 64° | 76° | — | — |
| 1979 | 90° | 62° | 76° | — | — |
| 1978 | 96° | 70° | 83° | — | — |
| 1977 | 95° | 64° | 80° | — | — |
| 1976 | 87° | 58° | 72° | — | — |
| 1975 | 90° | 54° | 72° | — | — |
| 1974 | 94° | 52° | 73° | — | — |
| 1973 | 105° | 54° | 79° | — | — |
| 1972 | 95° | 60° | 78° | — | — |
| 1971 | 100° | 57° | 79° | — | — |
55 years of data from LANCASTER