Mammoth Cave 7 Day Weather Forecast with Current Weather Conditions for , CA." />

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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: 12:21 pm CDT Aug 5, 2026

This Afternoon Mostly Sunny	Tonight Mostly Clear then Patchy Fog	Thursday Patchy Fog then Slight Chance T-storms	Thursday Night Partly Cloudy then Chance Showers	Friday Slight Chance T-storms then Chance T-storms	Friday Night Slight Chance T-storms then Chance T-storms	Saturday Chance T-storms	Saturday Night Partly Cloudy	Sunday Mostly Sunny
Hi 89 °F	Lo 70 °F	Hi 90 °F	Lo 73 °F	Hi 91 °F	Lo 71 °F	Hi 89 °F	Lo 70 °F	Hi 91 °F

This Afternoon	Mostly sunny, with a high near 89. Calm wind.
Tonight	Patchy fog after 4am. Otherwise, mostly clear, with a low around 70. Calm wind.
Thursday	A slight chance of showers and thunderstorms between 1pm and 2pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 90. Light and variable wind. Chance of precipitation is 20%.
Thursday Night	A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.
Friday	A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 40%.
Friday Night	A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 71. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday	A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Saturday Night	Partly cloudy, with a low around 70.
Sunday	Mostly sunny, with a high near 91.
Sunday Night	Mostly clear, with a low around 72.
Monday	Sunny, with a high near 92.
Monday Night	A 20 percent chance of showers. Partly cloudy, with a low around 74.
Tuesday	A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

Forecast from NOAA-NWS for Mammoth Cave KY.

Forecast Discussion from: NOAA-NWS

Script developed by: El Dorado Weather

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