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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: 7:56 pm CST Dec 5, 2025
 
Tonight

Tonight: Patchy fog between 11pm and 1am. Otherwise, cloudy, with a low around 28. Southwest wind 3 to 5 mph.
Patchy Fog

 Saturday

Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 44. Southwest wind around 5 mph becoming calm in the afternoon.
Decreasing
Clouds

 Saturday
Night
Saturday Night: Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 31. Calm wind.
Patchy Fog

 Sunday

Sunday: A 20 percent chance of showers. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 47. Light and variable wind.
Slight Chance
Showers and
Patchy Fog
 Sunday
Night
Sunday Night: A chance of rain showers before midnight, then a chance of rain and snow showers. Cloudy, with a low around 29. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 40%.
Chance
Showers then
Chance
Rain/Snow
 Monday

Monday: A slight chance of rain and snow showers before noon. Partly sunny, with a high near 39. Chance of precipitation is 20%.
Slight Chance
Rain/Snow
then Mostly
Sunny
 Monday
Night
Monday Night: Partly cloudy, with a low around 23.
Partly Cloudy

 Tuesday

Tuesday: Mostly sunny, with a high near 47.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 36.
Mostly Cloudy
Lo 28 °F Hi 44 °F Lo 31 °F Hi 47 °F Lo 29 °F Hi 39 °F Lo 23 °F Hi 47 °F Lo 36 °F

 

Tonight
 
 Patchy fog between 11pm and 1am. Otherwise, cloudy, with a low around 28. Southwest wind 3 to 5 mph.
Saturday
 
 Cloudy, then gradually becoming mostly sunny, with a high near 44. Southwest wind around 5 mph becoming calm in the afternoon.
Saturday Night
 
 Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 31. Calm wind.
Sunday
 
 A 20 percent chance of showers. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 47. Light and variable wind.
Sunday Night
 
 A chance of rain showers before midnight, then a chance of rain and snow showers. Cloudy, with a low around 29. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 40%.
Monday
 
 A slight chance of rain and snow showers before noon. Partly sunny, with a high near 39. Chance of precipitation is 20%.
Monday Night
 
 Partly cloudy, with a low around 23.
Tuesday
 
 Mostly sunny, with a high near 47.
Tuesday Night
 
 Mostly cloudy, with a low around 36.
Wednesday
 
 A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 51.
Wednesday Night
 
 A 50 percent chance of showers. Mostly cloudy, with a low around 30.
Thursday
 
 A 20 percent chance of showers. Partly sunny, with a high near 44.
Thursday Night
 
 A 20 percent chance of showers. Mostly cloudy, with a low around 26.
Friday
 
 A slight chance of rain and snow showers. Partly sunny, with a high near 39. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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