National Weather Service Forecast for: Mammoth Cave KY
Issued by: National Weather Service Louisville, KY
Updated: 12:26 am CST Nov 2, 2026
 
Today

Today: A 30 percent chance of showers, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 72. South wind 3 to 6 mph.
Chance
Showers then
Partly Sunny
 Tonight

Tonight: Partly cloudy, with a low around 57. South wind 3 to 7 mph.
Partly Cloudy

 Tuesday

Tuesday: Mostly sunny, with a high near 79. South wind 7 to 10 mph, with gusts as high as 20 mph.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Showers likely and possibly a thunderstorm after midnight. Increasing clouds, with a low around 62. South wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Mostly Cloudy
then Showers
Likely
 Wednesday

Wednesday: Showers and possibly a thunderstorm before noon, then showers likely. High near 71. South wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Showers then
Showers
Likely
 Wednesday
Night
Wednesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 50.
Slight Chance
Showers then
Partly Cloudy
 Thursday

Thursday: Mostly sunny, with a high near 70.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 46.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 66.
Mostly Sunny
Hi 72 °F Lo 57 °F Hi 79 °F Lo 62 °F Hi 71 °F Lo 50 °F Hi 70 °F Lo 46 °F Hi 66 °F

 

Today
 
 A 30 percent chance of showers, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 72. South wind 3 to 6 mph.
Tonight
 
 Partly cloudy, with a low around 57. South wind 3 to 7 mph.
Tuesday
 
 Mostly sunny, with a high near 79. South wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
 
 Showers likely and possibly a thunderstorm after midnight. Increasing clouds, with a low around 62. South wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
 
 Showers and possibly a thunderstorm before noon, then showers likely. High near 71. South wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
 
 A 20 percent chance of showers before midnight. Partly cloudy, with a low around 50.
Thursday
 
 Mostly sunny, with a high near 70.
Thursday Night
 
 Partly cloudy, with a low around 46.
Friday
 
 Mostly sunny, with a high near 66.
Friday Night
 
 Mostly clear, with a low around 41.
Saturday
 
 Mostly sunny, with a high near 62.
Saturday Night
 
 Partly cloudy, with a low around 38.
Sunday
 
 A 20 percent chance of showers. Mostly sunny, with a high near 62.

 

Forecast from NOAA-NWS for Mammoth Cave KY.