Weather on August 21
Palm Bay, FL
55 Years of Data
Avg High
90°F
Avg Low
74°F
Warmest
2007
87°F avg
Coldest
1986
78°F avg
About This Date
August 21st in Palm Bay, FL typically brings hot summer weather, with average highs around 90°F and lows near 74°F. Over 55 years of records, the warmest August 21st was in 2007 (87°F average), while the coldest was 1986 (78°F) — a 9°F range across recorded history. Rain or other precipitation has occurred on about 47% of August 21st dates historically, with the wettest August 21st recording 6.76" of rain. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Palm Bay, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 75° | 84° | 0.51" | — |
| 2024 | 94° | 74° | 84° | 3.25" | — |
| 2023 | 90° | 80° | 85° | — | — |
| 2022 | 91° | 78° | 85° | — | — |
| 2021 | 93° | 77° | 85° | — | — |
| 2020 | 87° | 73° | 80° | — | — |
| 2019 | 92° | 79° | 85° | — | — |
| 2018 | 88° | 75° | 81° | — | — |
| 2017 | 85° | 79° | 82° | 0.08" | — |
| 2016 | 91° | 77° | 84° | — | — |
| 2015 | 90° | 75° | 82° | — | — |
| 2014 | 86° | 77° | 82° | — | — |
| 2013 | 87° | 75° | 81° | 0.33" | — |
| 2012 | 90° | 73° | 81° | 0.03" | — |
| 2011 | 87° | 74° | 80° | — | — |
| 2010 | 92° | 75° | 83° | 0.2" | — |
| 2009 | 91° | 74° | 82° | — | — |
| 2008 | 84° | 76° | 80° | 2.36" | — |
| 2007warmest | 91° | 83° | 87° | — | — |
| 2006 | 88° | 72° | 80° | — | — |
| 2005 | 91° | 74° | 82° | — | — |
| 2004 | 90° | 74° | 82° | — | — |
| 2003 | 87° | 74° | 80° | — | — |
| 2002 | 88° | 71° | 79° | 0.23" | — |
| 2001 | 88° | 72° | 80° | 0.03" | — |
| 2000 | 89° | 72° | 80° | — | — |
| 1999 | 92° | 72° | 82° | 0.61" | — |
| 1998 | 87° | 73° | 80° | 6.76" | — |
| 1997 | 90° | 73° | 81° | 0.91" | — |
| 1996 | 88° | 75° | 81° | — | — |
| 1995 | 88° | 74° | 81° | 1.4" | — |
| 1994 | 92° | 72° | 82° | 0.33" | — |
| 1993 | 95° | 74° | 84° | — | — |
| 1992 | 89° | 72° | 80° | 0.18" | — |
| 1991 | 91° | 73° | 82° | 4.47" | — |
| 1990 | 92° | 72° | 82° | — | — |
| 1989 | 85° | 76° | 80° | 0.76" | — |
| 1988 | 90° | 75° | 82° | 0.61" | — |
| 1987 | 88° | 76° | 82° | — | — |
| 1986coldest | 87° | 70° | 78° | — | — |
| 1985 | 90° | 72° | 81° | 1.45" | — |
| 1984 | 88° | 74° | 81° | 2.06" | — |
| 1983 | 91° | 74° | 82° | — | — |
| 1982 | 92° | 72° | 82° | — | — |
| 1981 | 86° | 71° | 79° | 1.22" | — |
| 1980 | 90° | 74° | 82° | — | — |
| 1979 | 91° | 73° | 82° | — | — |
| 1978 | 87° | 73° | 80° | — | — |
| 1977 | 94° | 72° | 83° | — | — |
| 1976 | 92° | 71° | 81° | 0.51" | — |
| 1975 | 93° | 70° | 81° | 0.05" | — |
| 1974 | 91° | 70° | 80° | 0.15" | — |
| 1973 | 88° | 73° | 80° | 0.15" | — |
| 1972 | 89° | 68° | 79° | 5.69" | — |
| 1971 | 91° | 75° | 83° | — | — |
55 years of data from MELBOURNE BEACH A1A