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Mammoth Cave National Park, KY Weather Forecast
Wx Discussion - Wx Hazards - Wx Aviation
NWS Forecast for Mammoth Cave KY
National Weather Service Forecast for: Mammoth Cave KY
Issued by: National Weather Service Louisville, KY
Updated: 9:46 am CDT Oct 7, 2026
 
Today

Today: Sunny, with a high near 83. West wind around 6 mph.
Sunny

 Tonight

Tonight: Clear, with a low around 56. Calm wind.
Clear

 Thursday

Thursday: Sunny, with a high near 83. Light and variable wind.
Sunny

 Thursday
Night
Thursday Night: Clear, with a low around 52. Calm wind.
Clear

 Friday

Friday: Sunny, with a high near 85. Light east wind.
Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 58.
Partly Cloudy

 Saturday

Saturday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 82.
Mostly Sunny
then Chance
Showers
 Saturday
Night
Saturday Night: Showers likely, then showers and possibly a thunderstorm after 1am. Low around 61. Chance of precipitation is 80%.
Showers

 Sunday

Sunday: Showers. High near 72. Chance of precipitation is 80%.
Showers
Hi 83 °F Lo 56 °F Hi 83 °F Lo 52 °F Hi 85 °F Lo 58 °F Hi 82 °F Lo 61 °F Hi 72 °F

 

Today
 
 Sunny, with a high near 83. West wind around 6 mph.
Tonight
 
 Clear, with a low around 56. Calm wind.
Thursday
 
 Sunny, with a high near 83. Light and variable wind.
Thursday Night
 
 Clear, with a low around 52. Calm wind.
Friday
 
 Sunny, with a high near 85. Light east wind.
Friday Night
 
 Partly cloudy, with a low around 58.
Saturday
 
 A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 82.
Saturday Night
 
 Showers likely, then showers and possibly a thunderstorm after 1am. Low around 61. Chance of precipitation is 80%.
Sunday
 
 Showers. High near 72. Chance of precipitation is 80%.
Sunday Night
 
 A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 58.
Columbus Day
 
 Mostly sunny, with a high near 79.
Monday Night
 
 Partly cloudy, with a low around 57.
Tuesday
 
 Mostly sunny, with a high near 81.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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