Weather on October 21
Santa Clarita, CA
55 Years of Data
Avg High
79°F
Avg Low
51°F
Warmest
2003
86°F avg
Coldest
1972
51°F avg
About This Date
October 21st in Santa Clarita, CA typically brings pleasant fall weather, with average highs around 79°F and lows near 51°F — a 28°F daily swing. Over 51 years of records, the warmest October 21st was in 2003 (86°F average), while the coldest was 1972 (51°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 2% of October 21st dates historically. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Santa Clarita, CA? Great weather for outdoor activities.
Warming Trend
2.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 58° | 73° | — | — |
| 2024 | 86° | 54° | 70° | — | — |
| 2023 | 87° | 61° | 74° | — | — |
| 2022 | 82° | 59° | 71° | — | — |
| 2021 | 84° | 52° | 68° | — | — |
| 2020 | 81° | 55° | 68° | — | — |
| 2019 | 86° | 61° | 73° | — | — |
| 2018 | 81° | 59° | 70° | — | — |
| 2017 | 78° | 51° | 65° | — | — |
| 2016 | 82° | 62° | 72° | — | — |
| 2015 | 84° | 56° | 70° | — | — |
| 2014 | 83° | 54° | 68° | — | — |
| 2013 | 87° | 51° | 69° | — | — |
| 2012 | 71° | 59° | 65° | — | — |
| 2011 | 86° | 50° | 68° | — | — |
| 2010 | 61° | 55° | 58° | — | — |
| 2009 | 87° | 56° | 71° | — | — |
| 2008 | 92° | 62° | 77° | — | — |
| 2007 | 69° | 58° | 63° | — | — |
| 2006 | 87° | 57° | 72° | — | — |
| 2005 | 84° | 55° | 70° | — | — |
| 2004 | 64° | 43° | 53° | — | — |
| 2003warmest | 104° | 68° | 86° | — | — |
| 2002 | 68° | 50° | 59° | — | — |
| 2001 | 75° | 53° | 64° | — | — |
| 2000 | 70° | 51° | 60° | — | — |
| 1999 | 95° | 63° | 79° | — | — |
| 1998 | 82° | 58° | 70° | — | — |
| 1997 | 79° | 47° | 63° | — | — |
| 1996 | 66° | 46° | 56° | — | — |
| 1995 | 73° | 51° | 62° | — | — |
| 1994 | 80° | 42° | 61° | — | — |
| 1993 | 80° | 48° | 64° | — | — |
| 1992 | 64° | 52° | 58° | 0.23" | — |
| 1991 | 72° | 50° | 61° | — | — |
| 1990 | 79° | 55° | 67° | — | — |
| 1989 | 88° | 45° | 66° | — | — |
| 1988 | 82° | 43° | 62° | — | — |
| 1986 | 80° | 38° | 59° | — | — |
| 1985 | 78° | 40° | 59° | — | — |
| 1984 | 67° | 37° | 52° | — | — |
| 1983 | 83° | 44° | 63° | — | — |
| 1982 | 80° | 42° | 61° | — | — |
| 1981 | 87° | 42° | 65° | — | — |
| 1977 | 70° | 42° | 56° | — | — |
| 1976 | 76° | 52° | 64° | — | — |
| 1975 | 80° | 44° | 62° | — | — |
| 1974 | 82° | 42° | 62° | — | — |
| 1973 | 80° | 45° | 62° | — | — |
| 1972coldest | 63° | 39° | 51° | — | — |
| 1971 | 80° | 33° | 57° | — | — |
51 years of data from SAUGUS CALIFORNIA