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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: 3:16 am CST Jan 6, 2026
 
Today

Today: Cloudy, then gradually becoming mostly sunny, with a high near 64. Southwest wind 7 to 10 mph, with gusts as high as 25 mph.
Decreasing
Clouds
 Tonight

Tonight: Partly cloudy, with a low around 42. Light west wind.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 58. Calm wind.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 44. Calm wind.
Mostly Cloudy

 Thursday

Thursday: A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 67. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Chance
Showers
 Thursday
Night
Thursday Night: Showers likely, then showers and possibly a thunderstorm after midnight. Low around 60. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Friday

Friday: Showers, with thunderstorms also possible after noon. High near 66. Chance of precipitation is 80%.
Showers

 Friday
Night
Friday Night: Showers likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Showers
Likely
 Saturday

Saturday: A 30 percent chance of showers before noon. Partly sunny, with a high near 51.
Chance
Showers then
Partly Sunny
Hi 64 °F Lo 42 °F Hi 58 °F Lo 44 °F Hi 67 °F Lo 60 °F Hi 66 °F Lo 44 °F Hi 51 °F

 

Today
 
 Cloudy, then gradually becoming mostly sunny, with a high near 64. Southwest wind 7 to 10 mph, with gusts as high as 25 mph.
Tonight
 
 Partly cloudy, with a low around 42. Light west wind.
Wednesday
 
 Mostly sunny, with a high near 58. Calm wind.
Wednesday Night
 
 Mostly cloudy, with a low around 44. Calm wind.
Thursday
 
 A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 67. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
 
 Showers likely, then showers and possibly a thunderstorm after midnight. Low around 60. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
 
 Showers, with thunderstorms also possible after noon. High near 66. Chance of precipitation is 80%.
Friday Night
 
 Showers likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Saturday
 
 A 30 percent chance of showers before noon. Partly sunny, with a high near 51.
Saturday Night
 
 Partly cloudy, with a low around 28.
Sunday
 
 Mostly sunny, with a high near 39.
Sunday Night
 
 Mostly clear, with a low around 25.
Monday
 
 Mostly sunny, with a high near 47.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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