Weather on October 21
Palmdale, CA
55 Years of Data
Avg High
69°F
Avg Low
51°F
Warmest
2003
75°F avg
Coldest
1996
42°F avg
About This Date
October 21st in Palmdale, CA typically brings mild fall weather, with average highs around 69°F and lows near 51°F. Over 38 years of records, the warmest October 21st was in 2003 (75°F average), while the coldest was 1996 (42°F) — a 33°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 7.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.7°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Palmdale, CA? Great weather for outdoor activities.
Warming Trend
2.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 59° | 69° | — | — |
| 2024 | 73° | 55° | 64° | — | — |
| 2023 | 72° | 58° | 65° | — | — |
| 2022 | 76° | 56° | 66° | — | — |
| 2021 | 73° | 55° | 64° | — | — |
| 2020 | 81° | 58° | 69° | — | — |
| 2019 | 74° | 57° | 65° | — | — |
| 2018 | 72° | 57° | 64° | — | — |
| 2017 | 62° | 42° | 52° | — | — |
| 2016 | 78° | 62° | 70° | — | — |
| 2015 | 66° | 52° | 59° | — | — |
| 2014 | 73° | 52° | 62° | — | — |
| 2013 | 74° | 58° | 66° | — | — |
| 2012 | 57° | 47° | 52° | — | — |
| 2011 | 74° | 58° | 66° | — | — |
| 2010 | 60° | 44° | 52° | — | — |
| 2009 | 71° | 54° | 62° | — | — |
| 2008 | 73° | 54° | 63° | — | — |
| 2007 | 55° | 45° | 50° | — | — |
| 2006 | 69° | 56° | 62° | — | — |
| 2005 | 69° | 52° | 60° | — | — |
| 2004 | 50° | 35° | 43° | — | — |
| 2003warmest | 85° | 66° | 75° | — | — |
| 2002 | 63° | 47° | 55° | — | — |
| 2001 | 70° | 56° | 63° | — | — |
| 2000 | 58° | 42° | 50° | — | — |
| 1999 | 76° | 60° | 68° | — | — |
| 1998 | 72° | 53° | 62° | — | — |
| 1997 | 64° | 43° | 53° | — | — |
| 1996coldest | 47° | 37° | 42° | — | — |
| 1995 | 71° | 53° | 62° | — | — |
| 1994 | 69° | 49° | 59° | — | — |
| 1993 | 99° | -6° | 46° | — | — |
| 1992 | 68° | 52° | 60° | — | — |
| 1991 | 83° | 63° | 73° | — | — |
| 1990 | 63° | 52° | 58° | — | — |
| 1989 | 48° | 44° | 46° | — | — |
| 1986 | 63° | 46° | 54° | — | — |
38 years of data from MILL CREEK (ANF) CALIFORNIA