Weather on August 15 at Mammoth Cave
Mammoth Cave National Park
Based on 55 years of data from Bowling Green, KY
Planning Your Visit
August 15th in Mammoth Cave National Park (via Bowling Green, KY) typically brings warm summer weather, with average highs around 88°F and lows near 66°F. Over 55 years of records, the warmest August 15th was in 2007 (88°F average), while the coldest was 2004 (64°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 25% of August 15th dates historically, with the wettest August 15th recording 2.77" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Mammoth Cave? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 95°F | 72°F | 0" | 0" |
| 2024 | 92°F | 65°F | 0" | 0" |
| 2023 | 81°F | 67°F | 0" | 0" |
| 2022 | 87°F | 71°F | 0" | -- |
| 2021 | 83°F | 72°F | 0.03" | 0" |
| 2020 | 88°F | 72°F | 0" | 0" |
| 2019 | 87°F | 67°F | 0" | 0" |
| 2018 | 91°F | 72°F | 0.58" | 0" |
| 2017 | 87°F | 74°F | 0.05" | 0" |
| 2016 | 92°F | 73°F | 0.05" | 0" |
| 2015 | 89°F | 66°F | 1.37" | 0" |
| 2014 | 85°F | 62°F | 0" | 0" |
| 2013 | 79°F | 54°F | 0" | 0" |
| 2012 | 89°F | 66°F | 0" | 0" |
| 2011 | 85°F | 64°F | 0" | 0" |
| 2010 | 93°F | 74°F | 0" | 0" |
| 2009 | 92°F | 69°F | 0" | 0" |
| 2008 | 83°F | 65°F | 0" | 0" |
| 2007 | 104°F | 71°F | 0" | 0" |
| 2006 | 83°F | 66°F | 0.15" | 0" |
| 2005 | 92°F | 70°F | 0" | 0" |
| 2004 | 78°F | 50°F | 0" | 0" |
| 2003 | 91°F | 70°F | 0" | 0" |
| 2002 | 88°F | 71°F | 0" | 0" |
| 2001 | 88°F | 62°F | 0" | 0" |
| 2000 | 94°F | 62°F | 0" | 0" |
| 1999 | 90°F | 63°F | 0" | 0" |
| 1998 | 86°F | 65°F | 0" | 0" |
| 1997 | 91°F | 75°F | -- | 0" |
| 1996 | 84°F | 64°F | -- | 0" |
| 1995 | 97°F | 74°F | 0" | 0" |
| 1994 | 83°F | 59°F | 0" | 0" |
| 1993 | 93°F | 64°F | 0" | 0" |
| 1992 | 75°F | 59°F | 0" | 0" |
| 1991 | 88°F | 57°F | 0" | 0" |
| 1990 | 86°F | 63°F | 0" | 0" |
| 1989 | 91°F | 63°F | 0" | 0" |
| 1988 | 94°F | 69°F | 0" | 0" |
| 1987 | 93°F | 67°F | 0" | 0" |
| 1986 | 93°F | 67°F | 0.18" | 0" |
| 1985 | 83°F | 71°F | 2.77" | 0" |
| 1984 | 87°F | 66°F | 0" | 0" |
| 1983 | 86°F | 65°F | 0.05" | 0" |
| 1982 | 83°F | 58°F | 0.38" | 0" |
| 1981 | 86°F | 66°F | 0" | 0" |
| 1980 | 92°F | 72°F | 2.44" | 0" |
| 1979 | 73°F | 57°F | 0.13" | 0" |
| 1978 | 94°F | 72°F | 0" | 0" |
| 1977 | 91°F | 69°F | 0" | 0" |
| 1976 | 79°F | 66°F | 0.71" | 0" |
| 1975 | 89°F | 73°F | 0.08" | 0" |
| 1974 | 87°F | 65°F | 0" | 0" |
| 1973 | 83°F | 65°F | 0" | 0" |
| 1972 | 91°F | 66°F | 0" | 0" |
| 1971 | 88°F | 58°F | 0" | 0" |