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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: 1:41 pm CDT Oct 2, 2026
 
This
Afternoon
This Afternoon: Showers likely. Cloudy, with a steady temperature around 71. North wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Likely

 Tonight

Tonight: Showers likely, mainly before midnight. Cloudy, with a low around 60. Northeast wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Likely then
Slight Chance
Showers
 Saturday

Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 74. Northeast wind around 8 mph.
Decreasing
Clouds

 Saturday
Night
Saturday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 60. Light northeast wind.
Mostly Cloudy
then Patchy
Fog
 Sunday

Sunday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. Light north wind.
Patchy Fog
then Mostly
Cloudy
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 51.
Partly Cloudy

 Monday

Monday: Sunny, with a high near 75.
Sunny

 Monday
Night
Monday Night: Clear, with a low around 47.
Clear

 Tuesday

Tuesday: Sunny, with a high near 75.
Sunny
Hi 71 °F Lo 60 °F Hi 74 °F Lo 60 °F Hi 78 °F Lo 51 °F Hi 75 °F Lo 47 °F Hi 75 °F

 

This Afternoon
 
 Showers likely. Cloudy, with a steady temperature around 71. North wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
 
 Showers likely, mainly before midnight. Cloudy, with a low around 60. Northeast wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
 Cloudy, then gradually becoming mostly sunny, with a high near 74. Northeast wind around 8 mph.
Saturday Night
 
 Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 60. Light northeast wind.
Sunday
 
 Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. Light north wind.
Sunday Night
 
 Partly cloudy, with a low around 51.
Monday
 
 Sunny, with a high near 75.
Monday Night
 
 Clear, with a low around 47.
Tuesday
 
 Sunny, with a high near 75.
Tuesday Night
 
 Clear, with a low around 45.
Wednesday
 
 Sunny, with a high near 79.
Wednesday Night
 
 Clear, with a low around 49.
Thursday
 
 Sunny, with a high near 82.
Thursday Night
 
 Clear, with a low around 50.
Friday
 
 Sunny, with a high near 83.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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