Weather on June 18 at Mammoth Cave
Mammoth Cave National Park
Based on 55 years of data from Bowling Green, KY
Planning Your Visit
June 18th in Mammoth Cave National Park (via Bowling Green, KY) typically brings warm summer weather, with average highs around 87°F and lows near 65°F. Over 55 years of records, the warmest June 18th was in 1979 (83°F average), while the coldest was 1999 (65°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 38% of June 18th dates historically, with the wettest June 18th recording 3.78" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in Mammoth Cave? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 90°F | 68°F | 1.14" | 0" |
| 2024 | 91°F | 73°F | 0" | 0" |
| 2023 | 88°F | 59°F | 0.13" | 0" |
| 2022 | 85°F | 61°F | 0" | -- |
| 2021 | 92°F | 71°F | 0" | 0" |
| 2020 | 85°F | 61°F | 0" | 0" |
| 2019 | 84°F | 70°F | 1.04" | 0" |
| 2018 | 93°F | 74°F | 0" | 0" |
| 2017 | 89°F | 72°F | 0.43" | 0" |
| 2016 | 89°F | 67°F | 0" | 0" |
| 2015 | 90°F | 73°F | 0.05" | 0" |
| 2014 | 93°F | 69°F | 0" | 0" |
| 2013 | 86°F | 67°F | 0.64" | 0" |
| 2012 | 92°F | 65°F | 0" | 0" |
| 2011 | 78°F | 70°F | 2.49" | 0" |
| 2010 | 93°F | 71°F | 0" | 0" |
| 2009 | 90°F | 70°F | 0" | 0" |
| 2008 | 82°F | 52°F | 0" | 0" |
| 2007 | 87°F | 64°F | 0" | 0" |
| 2006 | 84°F | 68°F | 1.6" | 0" |
| 2005 | 77°F | 61°F | 0" | 0" |
| 2004 | 89°F | 70°F | 0" | 0" |
| 2003 | 76°F | 68°F | 1.7" | 0" |
| 2002 | 84°F | 54°F | 0" | 0" |
| 2001 | 91°F | 62°F | 0" | 0" |
| 2000 | 80°F | 70°F | 1.19" | 0" |
| 1999 | 79°F | 52°F | 0" | 0" |
| 1998 | 93°F | 67°F | 0" | 0" |
| 1997 | 83°F | 69°F | -- | 0" |
| 1996 | 90°F | 69°F | 3.78" | 0" |
| 1995 | 87°F | 60°F | 0" | 0" |
| 1994 | 94°F | 68°F | 0" | 0" |
| 1993 | 95°F | 68°F | 0" | 0" |
| 1992 | 93°F | 69°F | 2.44" | 0" |
| 1991 | 81°F | 68°F | 0" | 0" |
| 1990 | 94°F | 69°F | 0.33" | 0" |
| 1989 | 87°F | 66°F | 2.97" | 0" |
| 1988 | 86°F | 62°F | 0" | 0" |
| 1987 | 86°F | 65°F | 0.46" | 0" |
| 1986 | 80°F | 54°F | 0" | 0" |
| 1985 | 80°F | 63°F | 0" | 0" |
| 1984 | 93°F | 72°F | 0" | 0" |
| 1983 | 78°F | 66°F | 0.76" | 0" |
| 1982 | 80°F | 51°F | 0" | 0" |
| 1981 | 82°F | 54°F | 0" | 0" |
| 1980 | 82°F | 61°F | 0.03" | 0" |
| 1979 | 94°F | 72°F | 0" | 0" |
| 1978 | 94°F | 70°F | 2.16" | 0" |
| 1977 | 93°F | 68°F | 0.41" | 0" |
| 1976 | 88°F | 65°F | 0.97" | 0" |
| 1975 | 94°F | 71°F | 0" | 0" |
| 1974 | 82°F | 52°F | 0" | 0" |
| 1973 | 93°F | 65°F | 0" | 0" |
| 1972 | 86°F | 63°F | 1.45" | 0" |
| 1971 | 88°F | 64°F | 0" | 0" |