Weather on October 21
Moreno Valley, CA
55 Years of Data
Avg High
79°F
Avg Low
51°F
Warmest
2003
79°F avg
Coldest
1972
55°F avg
About This Date
October 21st in Moreno Valley, CA typically brings pleasant fall weather, with average highs around 79°F and lows near 51°F — a 28°F daily swing. Over 55 years of records, the warmest October 21st was in 2003 (79°F average), while the coldest was 1972 (55°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 4% of October 21st dates historically. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Moreno Valley, CA? Great weather for outdoor activities.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 49° | 70° | — | — |
| 2024 | 87° | 48° | 68° | — | — |
| 2023 | 89° | 56° | 72° | — | — |
| 2022 | 84° | 55° | 70° | — | — |
| 2021 | 82° | 50° | 66° | — | — |
| 2020 | 80° | 52° | 66° | — | — |
| 2019 | 90° | 45° | 67° | — | — |
| 2018 | 82° | 48° | 65° | — | — |
| 2017 | 82° | 45° | 63° | — | — |
| 2016 | 96° | 49° | 72° | — | — |
| 2015 | 82° | 53° | 68° | — | — |
| 2014 | 80° | 54° | 67° | — | — |
| 2013 | 84° | 43° | 63° | — | — |
| 2012 | 71° | 60° | 66° | — | — |
| 2011 | 77° | 52° | 64° | — | — |
| 2010 | 60° | 55° | 58° | — | — |
| 2009 | 82° | 50° | 66° | — | — |
| 2008 | 90° | 52° | 71° | — | — |
| 2007 | 76° | 58° | 67° | — | — |
| 2006 | 94° | 52° | 73° | — | — |
| 2005 | 83° | 52° | 67° | — | — |
| 2004 | 64° | 50° | 57° | — | — |
| 2003warmest | 102° | 56° | 79° | — | — |
| 2002 | 67° | 50° | 58° | — | — |
| 2001 | 72° | 51° | 61° | — | — |
| 2000 | 69° | 51° | 60° | — | — |
| 1999 | 95° | 54° | 74° | — | — |
| 1998 | 81° | 51° | 66° | — | — |
| 1997 | 72° | 57° | 64° | — | — |
| 1996 | 74° | 45° | 59° | — | — |
| 1995 | 71° | 51° | 61° | — | — |
| 1994 | 80° | 46° | 63° | — | — |
| 1993 | 85° | 50° | 67° | — | — |
| 1992 | 68° | 54° | 61° | — | — |
| 1991 | 76° | 56° | 66° | — | — |
| 1990 | 85° | 48° | 66° | — | — |
| 1989 | 71° | 51° | 61° | 0.18" | — |
| 1988 | 84° | 56° | 70° | — | — |
| 1987 | 83° | 55° | 69° | — | — |
| 1986 | 85° | 49° | 67° | — | — |
| 1985 | 68° | 56° | 62° | — | — |
| 1984 | 71° | 48° | 60° | — | — |
| 1983 | 88° | 49° | 68° | — | — |
| 1982 | 81° | 53° | 67° | — | — |
| 1981 | 78° | 48° | 63° | — | — |
| 1980 | 87° | 47° | 67° | — | — |
| 1979 | 76° | 51° | 63° | — | — |
| 1978 | 72° | 60° | 66° | — | — |
| 1977 | 72° | 56° | 64° | — | — |
| 1976 | 78° | 60° | 69° | 0.36" | — |
| 1975 | 74° | 49° | 61° | — | — |
| 1974 | 70° | 50° | 60° | — | — |
| 1973 | 77° | 44° | 61° | — | — |
| 1972coldest | 68° | 42° | 55° | — | — |
| 1971 | 80° | 41° | 61° | — | — |
55 years of data from MARCH AFB