Weather on April 21
Santa Clarita, CA
55 Years of Data
Avg High
75°F
Avg Low
47°F
Warmest
2009
80°F avg
Coldest
2010
46°F avg
About This Date
April 21st in Santa Clarita, CA typically brings pleasant spring weather, with average highs around 75°F and lows near 47°F — a 28°F daily swing. Over 52 years of records, the warmest April 21st was in 2009 (80°F average), while the coldest was 2010 (46°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 4% of April 21st dates historically, with the wettest April 21st recording 1.32" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for April 21st in Santa Clarita, CA? Great weather for outdoor activities.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 50° | 63° | — | — |
| 2024 | 86° | 54° | 70° | — | — |
| 2023 | 89° | 54° | 71° | — | — |
| 2022 | 65° | 45° | 55° | — | — |
| 2021 | 57° | 51° | 54° | — | — |
| 2020 | 73° | 49° | 61° | — | — |
| 2019 | 70° | 51° | 60° | — | — |
| 2018 | 88° | 52° | 70° | — | — |
| 2017 | 91° | 56° | 73° | — | — |
| 2016 | 86° | 52° | 69° | — | — |
| 2015 | 61° | 49° | 55° | — | — |
| 2014 | 85° | 54° | 69° | — | — |
| 2013 | 87° | 57° | 72° | — | — |
| 2012 | 94° | 56° | 75° | — | — |
| 2011 | 66° | 50° | 58° | — | — |
| 2010coldest | 54° | 38° | 46° | — | — |
| 2009warmest | 97° | 63° | 80° | — | — |
| 2008 | 72° | 39° | 55° | — | — |
| 2007 | 63° | 39° | 51° | — | — |
| 2006 | 68° | 50° | 59° | — | — |
| 2005 | 79° | 46° | 62° | — | — |
| 2004 | 74° | 51° | 62° | — | — |
| 2003 | 59° | 45° | 52° | — | — |
| 2002 | 79° | 43° | 61° | — | — |
| 2001 | 58° | 41° | 49° | — | — |
| 2000 | 62° | 50° | 56° | — | — |
| 1999 | 74° | 53° | 63° | — | — |
| 1998 | 91° | 55° | 73° | — | — |
| 1997 | 82° | 66° | 74° | — | — |
| 1996 | 76° | 40° | 58° | — | — |
| 1995 | 68° | 46° | 57° | — | — |
| 1994 | 79° | 52° | 65° | — | — |
| 1993 | 86° | 49° | 67° | — | — |
| 1992 | 85° | 53° | 69° | — | — |
| 1991 | 70° | 50° | 60° | — | — |
| 1990 | 75° | 51° | 63° | — | — |
| 1989 | 87° | 41° | 64° | — | — |
| 1988 | 58° | 47° | 52° | 1.32" | — |
| 1986 | 87° | 44° | 66° | — | — |
| 1985 | 64° | 33° | 49° | — | — |
| 1984 | 79° | 40° | 59° | — | — |
| 1983 | 57° | 45° | 51° | 0.81" | — |
| 1982 | 78° | 47° | 62° | — | — |
| 1981 | 70° | 41° | 55° | — | — |
| 1978 | 62° | 44° | 53° | — | — |
| 1977 | 85° | 36° | 60° | — | — |
| 1976 | 88° | 43° | 65° | — | — |
| 1975 | 79° | 39° | 59° | — | — |
| 1974 | 77° | 45° | 61° | — | — |
| 1973 | 69° | 36° | 52° | — | — |
| 1972 | 76° | 33° | 54° | — | — |
| 1971 | 53° | 41° | 47° | — | — |
52 years of data from SAUGUS CALIFORNIA