Weather on October 21
Miami, FL
55 Years of Data
Avg High
83°F
Avg Low
74°F
Warmest
1999
83°F avg
Coldest
1989
63°F avg
About This Date
October 21st in Miami, FL typically brings warm fall weather, with average highs around 83°F and lows near 74°F. Over 55 years of records, the warmest October 21st was in 1999 (83°F average), while the coldest was 1989 (63°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 44% of October 21st dates historically, with the wettest October 21st recording 10.74" 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 Miami, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 77° | 82° | — | — |
| 2024 | 85° | 73° | 79° | 1.45" | — |
| 2023 | 82° | 68° | 75° | — | — |
| 2022 | 82° | 62° | 72° | — | — |
| 2021 | 91° | 76° | 83° | — | — |
| 2020 | 83° | 76° | 79° | 5.59" | — |
| 2019 | 89° | 77° | 83° | — | — |
| 2018 | 87° | 75° | 81° | — | — |
| 2017 | 85° | 78° | 81° | — | — |
| 2016 | 87° | 71° | 79° | 0.51" | — |
| 2015 | 82° | 77° | 80° | — | — |
| 2014 | 84° | 73° | 79° | 0.51" | — |
| 2013 | 86° | 77° | 82° | 0.89" | — |
| 2012 | 85° | 76° | 80° | — | — |
| 2011 | 77° | 63° | 70° | — | — |
| 2010 | 85° | 73° | 79° | 1.93" | — |
| 2009 | 83° | 70° | 76° | 1.27" | — |
| 2008 | 83° | 73° | 78° | — | — |
| 2007 | 88° | 78° | 83° | 0.13" | — |
| 2006 | 87° | 79° | 83° | — | — |
| 2005 | 83° | 80° | 81° | 0.18" | — |
| 2004 | 85° | 71° | 78° | 0.76" | — |
| 2003 | 84° | 73° | 79° | — | — |
| 2002 | 85° | 73° | 79° | — | — |
| 2001 | 84° | 74° | 79° | 10.74" | — |
| 2000 | 86° | 79° | 82° | — | — |
| 1999warmest | 87° | 78° | 83° | — | — |
| 1998 | 86° | 78° | 82° | — | — |
| 1997 | 79° | 70° | 74° | — | — |
| 1996 | 81° | 74° | 77° | — | — |
| 1995 | 84° | 77° | 81° | 0.25" | — |
| 1994 | 81° | 75° | 78° | — | — |
| 1993 | 85° | 77° | 81° | 0.05" | — |
| 1992 | 79° | 76° | 77° | — | — |
| 1991 | 84° | 76° | 80° | 0.05" | — |
| 1990 | 84° | 76° | 80° | 0.56" | — |
| 1989coldest | 72° | 54° | 63° | — | — |
| 1988 | 83° | 74° | 78° | — | — |
| 1987 | 83° | 74° | 78° | — | — |
| 1986 | 80° | 68° | 74° | 0.05" | — |
| 1985 | 83° | 77° | 80° | 0.18" | — |
| 1984 | 83° | 80° | 81° | — | — |
| 1983 | 84° | 77° | 81° | — | — |
| 1982 | 81° | 76° | 78° | 1.47" | — |
| 1981 | 81° | 75° | 78° | — | — |
| 1980 | 84° | 76° | 80° | — | — |
| 1979 | 81° | 78° | 79° | 0.08" | — |
| 1978 | 79° | 76° | 77° | — | — |
| 1977 | 80° | 76° | 78° | — | — |
| 1976 | 81° | 69° | 75° | — | — |
| 1975 | 80° | 68° | 74° | 1.55" | — |
| 1974 | 78° | 73° | 76° | 0.05" | — |
| 1973 | 84° | 73° | 79° | 0.41" | — |
| 1972 | 84° | 71° | 78° | 0.71" | — |
| 1971 | 82° | 73° | 78° | 0.13" | — |
55 years of data from MIAMI BAYFRONT PARK