Weather in Mammoth Cave, KY
Updated 2026-08-11 10:15 local time · ZIP codes 42259

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
83°6% rain
90°5% rain
92°4% rain
93°3% rain
95°2% rain
95°2% rain
96°1% rain
96°1% rain
95°1% rain
93°2% rain
89°2% rain
86°3% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 6%).
It feels like 89°F with winds near 10 mph.
83°F, 6% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 83°F, wind 10 mph, rain chance up to 6%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Mammoth Cave weather today
Sunny and 83°F in Mammoth Cave, KY. Today's high is 96°F with a 5% rain chance. Winds are around 10 mph with gusts near 12 mph. Relative humidity is 72%, pressure is 30.05 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Mammoth Cave
Sunrise is at 05:57 AM and sunset is at 07:41 PM. Tomorrow's forecast calls for Sunny with a high near 95°F and a low near 71°F. The maximum rain chance is 57%.