Weather on October 21
Deltona, FL
55 Years of Data
Avg High
83°F
Avg Low
64°F
Warmest
2005
83°F avg
Coldest
1989
48°F avg
About This Date
October 21st in Deltona, FL typically brings warm fall weather, with average highs around 83°F and lows near 64°F. Over 55 years of records, the warmest October 21st was in 2005 (83°F average), while the coldest was 1989 (48°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 15% of October 21st dates historically, with the wettest October 21st recording 2.84" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for October 21st in Deltona, FL? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 66° | 74° | — | — |
| 2024 | 83° | 68° | 75° | — | — |
| 2023 | 81° | 64° | 72° | — | — |
| 2022 | 72° | 56° | 64° | — | — |
| 2021 | 82° | 63° | 72° | — | — |
| 2020 | 84° | 74° | 79° | 0.38" | — |
| 2019 | 86° | 70° | 78° | — | — |
| 2018 | 91° | 71° | 81° | — | — |
| 2017 | 84° | 74° | 79° | — | — |
| 2016 | 87° | 68° | 78° | — | — |
| 2015 | 81° | 70° | 75° | — | — |
| 2014 | 86° | 69° | 78° | — | — |
| 2013 | 87° | 73° | 80° | — | — |
| 2012 | 76° | 54° | 65° | — | — |
| 2011 | 69° | 49° | 59° | — | — |
| 2010 | 86° | 63° | 74° | — | — |
| 2009 | 80° | 60° | 70° | — | — |
| 2008 | 82° | 62° | 72° | — | — |
| 2007 | 80° | 69° | 75° | 0.15" | — |
| 2006 | 92° | 73° | 82° | — | — |
| 2005warmest | 91° | 75° | 83° | — | — |
| 2004 | 89° | 65° | 77° | — | — |
| 2003 | 86° | 65° | 75° | — | — |
| 2002 | 87° | 71° | 79° | — | — |
| 2001 | 85° | 72° | 78° | — | — |
| 2000 | 79° | 63° | 71° | — | — |
| 1999 | 90° | 67° | 78° | 0.46" | — |
| 1998 | 80° | 71° | 76° | 2.84" | — |
| 1997 | 80° | 53° | 67° | — | — |
| 1996 | 76° | 49° | 62° | — | — |
| 1995 | 84° | 63° | 73° | — | — |
| 1994 | 85° | 62° | 73° | — | — |
| 1993 | 87° | 65° | 76° | — | — |
| 1992 | 78° | 58° | 68° | — | — |
| 1991 | 83° | 66° | 74° | — | — |
| 1990 | 82° | 69° | 76° | — | — |
| 1989coldest | 58° | 39° | 48° | — | — |
| 1988 | 85° | 59° | 72° | — | — |
| 1987 | 86° | 66° | 76° | — | — |
| 1986 | 76° | 58° | 67° | — | — |
| 1985 | 88° | 68° | 78° | 0.79" | — |
| 1984 | 86° | 68° | 77° | — | — |
| 1983 | 84° | 74° | 79° | 0.25" | — |
| 1982 | 86° | 62° | 74° | — | — |
| 1981 | 80° | 56° | 68° | 0.05" | — |
| 1980 | 85° | 64° | 74° | — | — |
| 1979 | 84° | 66° | 75° | — | — |
| 1978 | 82° | 55° | 69° | — | — |
| 1977 | 81° | 57° | 69° | — | — |
| 1976 | 87° | 52° | 69° | — | — |
| 1975 | 77° | 56° | 66° | — | — |
| 1974 | 76° | 59° | 67° | — | — |
| 1973 | 85° | 71° | 78° | — | — |
| 1972 | 81° | 61° | 71° | — | — |
| 1971 | 86° | 67° | 76° | 0.08" | — |
55 years of data from SANFORD