Weather on August 15
Port Saint Lucie, FL
55 Years of Data
Avg High
90°F
Avg Low
75°F
Warmest
2009
87°F avg
Coldest
1972
77°F avg
About This Date
August 15th in Port Saint Lucie, FL typically brings hot summer weather, with average highs around 90°F and lows near 75°F. Over 55 years of records, the warmest August 15th was in 2009 (87°F average), while the coldest was 1972 (77°F) — a 10°F range across recorded history. Rain or other precipitation has occurred on about 55% of August 15th dates historically, with the wettest August 15th recording 8.56" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Port Saint Lucie, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 81° | 86° | — | — |
| 2024 | 93° | 78° | 86° | 1.65" | — |
| 2023 | 91° | 78° | 85° | 0.08" | — |
| 2022 | 87° | 75° | 81° | — | — |
| 2021 | 87° | 80° | 84° | 0.08" | — |
| 2020 | 91° | 80° | 86° | — | — |
| 2019 | 91° | 77° | 84° | 0.79" | — |
| 2018 | 88° | 76° | 82° | 0.05" | — |
| 2017 | 93° | 75° | 84° | — | — |
| 2016 | 90° | 80° | 85° | 0.13" | — |
| 2015 | 87° | 77° | 82° | 0.05" | — |
| 2014 | 90° | 80° | 85° | — | — |
| 2013 | 86° | 79° | 82° | — | — |
| 2012 | 87° | 79° | 83° | — | — |
| 2011 | 91° | 75° | 83° | 1.27" | — |
| 2010 | 92° | 76° | 84° | 3.56" | — |
| 2009warmest | 93° | 80° | 87° | — | — |
| 2008 | 90° | 74° | 82° | — | — |
| 2007 | 94° | 74° | 84° | 8.56" | — |
| 2006 | 89° | 77° | 83° | 0.05" | — |
| 2005 | 92° | 73° | 82° | — | — |
| 2004 | 84° | 74° | 79° | — | — |
| 2003 | 86° | 76° | 81° | 0.38" | — |
| 2002 | 82° | 77° | 80° | — | — |
| 2001 | 92° | 76° | 84° | — | — |
| 2000 | 90° | 72° | 81° | 2.54" | — |
| 1999 | 92° | 75° | 83° | 2.46" | — |
| 1998 | 92° | 76° | 84° | — | — |
| 1997 | 94° | 73° | 83° | 0.2" | — |
| 1996 | 94° | 76° | 85° | — | — |
| 1995 | 95° | 74° | 84° | — | — |
| 1994 | 89° | 75° | 82° | 0.51" | — |
| 1993 | 95° | 72° | 83° | 0.03" | — |
| 1992 | 89° | 71° | 80° | 5.08" | — |
| 1991 | 91° | 72° | 81° | 0.03" | — |
| 1990 | 89° | 74° | 81° | 0.25" | — |
| 1989 | 93° | 73° | 83° | 0.03" | — |
| 1988 | 85° | 74° | 79° | 0.64" | — |
| 1987 | 88° | 71° | 79° | 0.08" | — |
| 1986 | 92° | 77° | 84° | — | — |
| 1985 | 87° | 78° | 83° | 0.2" | — |
| 1984 | 90° | 74° | 82° | — | — |
| 1983 | 93° | 74° | 83° | 1.85" | — |
| 1982 | 89° | 73° | 81° | 0.13" | — |
| 1981 | 91° | 78° | 85° | — | — |
| 1980 | 89° | 80° | 85° | — | — |
| 1979 | 89° | 73° | 81° | — | — |
| 1978 | 89° | 79° | 84° | — | — |
| 1977 | 88° | 81° | 84° | 0.05" | — |
| 1976 | 89° | 70° | 79° | — | — |
| 1975 | 88° | 72° | 80° | 0.61" | — |
| 1974 | 87° | 68° | 78° | 0.94" | — |
| 1973 | 91° | 72° | 81° | 0.64" | — |
| 1972coldest | 88° | 67° | 77° | — | — |
| 1971 | 87° | — | — | — | — |
55 years of data from NETTLES IS