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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: 1:25 am CDT Apr 6, 2026
 
Overnight

Overnight: Mostly clear, with a low around 38. Calm wind.
Mostly Clear
 Monday

Monday: Sunny, with a high near 67. Calm wind becoming west around 6 mph in the afternoon.
Sunny
 Monday
Night
Monday Night: Clear, with a low around 41. Calm wind.
Clear
 Tuesday

Tuesday: Sunny, with a high near 59. Northeast wind around 6 mph.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 39. Light northeast wind.
Mostly Clear
 Wednesday

Wednesday: Mostly sunny, with a high near 72.
Mostly Sunny
 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 50.
Mostly Cloudy
 Thursday

Thursday: Mostly sunny, with a high near 73.
Mostly Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 54.
Mostly Clear
Lo 38 °F Hi 67 °F Lo 41 °F Hi 59 °F Lo 39 °F Hi 72 °F Lo 50 °F Hi 73 °F Lo 54 °F

Frost Advisory
 

Overnight
 
 Mostly clear, with a low around 38. Calm wind.
Monday
 
 Sunny, with a high near 67. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
 
 Clear, with a low around 41. Calm wind.
Tuesday
 
 Sunny, with a high near 59. Northeast wind around 6 mph.
Tuesday Night
 
 Mostly clear, with a low around 39. Light northeast wind.
Wednesday
 
 Mostly sunny, with a high near 72.
Wednesday Night
 
 Mostly cloudy, with a low around 50.
Thursday
 
 Mostly sunny, with a high near 73.
Thursday Night
 
 Mostly clear, with a low around 54.
Friday
 
 Mostly sunny, with a high near 77.
Friday Night
 
 Partly cloudy, with a low around 57.
Saturday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Saturday Night
 
 Mostly clear, with a low around 59.
Sunday
 
 Mostly sunny, with a high near 84.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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