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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: 12:26 pm CST Nov 12, 2026
 
Tonight

Tonight: A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 36. Northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 20 mph.
Chance
Showers then
Mostly Cloudy
 Friday

Friday: A 30 percent chance of showers, mainly between noon and 4pm. Mostly cloudy, with a high near 45. Northwest wind 3 to 7 mph.
Mostly Cloudy
then Chance
Showers
 Friday
Night
Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.
Decreasing
Clouds
 Saturday

Saturday: Sunny, with a high near 50. Calm wind becoming northwest around 5 mph.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 26. Calm wind.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 52.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 28.
Mostly Clear

 Monday

Monday: Sunny, with a high near 53.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 29.
Mostly Clear
Lo 36 °F Hi 45 °F Lo 30 °F Hi 50 °F Lo 26 °F Hi 52 °F Lo 28 °F Hi 53 °F Lo 29 °F

 

Tonight
 
 A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 36. Northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 20 mph.
Friday
 
 A 30 percent chance of showers, mainly between noon and 4pm. Mostly cloudy, with a high near 45. Northwest wind 3 to 7 mph.
Friday Night
 
 Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.
Saturday
 
 Sunny, with a high near 50. Calm wind becoming northwest around 5 mph.
Saturday Night
 
 Mostly clear, with a low around 26. Calm wind.
Sunday
 
 Sunny, with a high near 52.
Sunday Night
 
 Mostly clear, with a low around 28.
Monday
 
 Sunny, with a high near 53.
Monday Night
 
 Mostly clear, with a low around 29.
Tuesday
 
 Sunny, with a high near 57.
Tuesday Night
 
 Clear, with a low around 29.
Wednesday
 
 Sunny, with a high near 62.
Wednesday Night
 
 Mostly clear, with a low around 32.
Thursday
 
 Mostly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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