Weather Forecast and Radar for Mammoth Cave National Park

Routes Running Nearby to Mammoth Cave National Park

• The I-65 runs north-south about 10 miles southeast of Mammoth Cave National Park.

Weather in Mammoth Cave National Park

In Mammoth Cave National Park, the summers are warm and muggy, the winters are short and very cold, and it is wet and partly cloudy year round. Over the course of the year, the temperature typically varies from 27°F to 87°F and is rarely below 12°F or above 93°F.

The hot season lasts for 4 months, from May to September, with an average daily high temperature above 78°F. The hottest month of the year in Mammoth Cave National Park is July, with an average high of 86°F and low of 67°F.

The cold season lasts for 3 months, from November to February, with an average daily high temperature below 53°F. The coldest month of the year in Mammoth Cave National Park is January, with an average low of 28°F and high of 44°F.

Kentucky has a moderate climate with warm, yet moist conditions. Summers average in the high 80s; winters average in the low 40s. Southern Kentucky, where Mammoth Cave is located, receives the highest average precipitation for the state, about 50 inches per year, mostly in spring. Winter can bring mild to moderate snow and ice. Storms happen year-round, and can include tornadoes and flooding in low-lying areas, but severe weather is infrequent. The temperature deep in the cave is a constant 54°F (12°C).

Fast Facts About Mammoth Cave National Park

The park was established in 1941.

Major Cities Nearby Mammoth Cave National Park

• Bowling Green, Kentucky (roughly 30 miles to the southwest)
• Louisville, Kentucky (roughly 61 miles to the northeast)

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Mammoth Cave National Park.