Weather on October 21
Temecula, CA
55 Years of Data
Avg High
80°F
Avg Low
54°F
Warmest
2003
85°F avg
Coldest
2004
56°F avg
About This Date
October 21st in Temecula, CA typically brings warm fall weather, with average highs around 80°F and lows near 54°F — a 26°F daily swing. Over 51 years of records, the warmest October 21st was in 2003 (85°F average), while the coldest was 2004 (56°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 6% of October 21st dates historically. The last decade has been 7.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.5°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Temecula, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 58° | 75° | — | — |
| 2024 | 91° | 60° | 75° | — | — |
| 2023 | 87° | 59° | 73° | — | — |
| 2022 | 80° | 56° | 68° | — | — |
| 2021 | 82° | 55° | 68° | — | — |
| 2020 | 80° | 55° | 67° | — | — |
| 2019 | 96° | 61° | 78° | — | — |
| 2018 | 81° | 56° | 68° | — | — |
| 2017 | 85° | 52° | 68° | — | — |
| 2016 | 94° | 65° | 80° | — | — |
| 2015 | 85° | 57° | 71° | — | — |
| 2014 | 83° | 59° | 71° | — | — |
| 2013 | 82° | 53° | 67° | — | — |
| 2012 | 67° | 59° | 63° | 0.4" | — |
| 2011 | 76° | 56° | 66° | — | — |
| 2010 | 61° | 56° | 58° | 0.1" | — |
| 2009 | 87° | 55° | 71° | — | — |
| 2008 | 88° | 58° | 73° | — | — |
| 2007 | 77° | 59° | 68° | — | — |
| 2006 | 90° | 60° | 75° | — | — |
| 2005 | 75° | 51° | 63° | — | — |
| 2004coldest | 63° | 49° | 56° | — | — |
| 2003warmest | 100° | 70° | 85° | — | — |
| 2002 | 66° | 49° | 57° | — | — |
| 2001 | 70° | 55° | 62° | — | — |
| 2000 | 65° | 53° | 59° | — | — |
| 1999 | 94° | 65° | 79° | — | — |
| 1998 | 75° | 52° | 63° | — | — |
| 1997 | 73° | 52° | 62° | — | — |
| 1996 | 70° | 49° | 59° | — | — |
| 1995 | 70° | 52° | 61° | — | — |
| 1994 | 81° | 53° | 67° | — | — |
| 1993 | 85° | 61° | 73° | — | — |
| 1992 | 74° | 59° | 66° | — | — |
| 1991 | 78° | 55° | 67° | — | — |
| 1990 | 83° | 51° | 67° | — | — |
| 1988 | 89° | 58° | 73° | — | — |
| 1987 | 77° | 53° | 65° | — | — |
| 1985 | 79° | 48° | 63° | — | — |
| 1984 | 74° | 45° | 59° | — | — |
| 1983 | 90° | 50° | 70° | — | — |
| 1982 | 80° | 45° | 62° | — | — |
| 1981 | 89° | 43° | 66° | — | — |
| 1980 | 87° | 47° | 67° | — | — |
| 1979 | 72° | 45° | 58° | — | — |
| 1978 | 78° | 57° | 68° | — | — |
| 1977 | 74° | 55° | 64° | — | — |
| 1976 | 83° | 59° | 71° | 0.1" | — |
| 1975 | 77° | 43° | 60° | — | — |
| 1974 | 76° | 54° | 65° | — | — |
| 1973 | 81° | 41° | 61° | — | — |
51 years of data from FALLBROOK 5 NE