Mammoth Cave weather live forecast

Today's maximum temperature in Mammoth Cave is expected to be 33°C. Select a day from the live weather forecast for Mammoth Cave, Kentucky, USA for more weather parameters.

Sunday
17th May
33

18

11

9
Monday
18th May
32

19

7

9
Tuesday
19th May
31

20

5

6
Wednesday
20th May
25

17

1

4
Thursday
21st May
20

13

1

2

5-day weather forecast updated at 04:02 on Sunday 17th May 2026 GMT

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The 5-day weather forecast for Kentucky (Mammoth Cave) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Mammoth Cave weather forecast by day

Below are the detailed weather forecasts for Mammoth Cave for the next 5 days.

Mammoth Cave weather for Sunday 17th May 2026

Expect scattered clouds in Mammoth Cave, Kentucky with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

33
°C maximum temperature
18
°C minimum temperature
scattered clouds
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from S

Mammoth Cave weather for Monday 18th May 2026

Expect broken clouds in Mammoth Cave, Kentucky with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.

32
°C maximum temperature
19
°C minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from S

Mammoth Cave weather for Tuesday 19th May 2026

Expect isolated thunderstorms in Mammoth Cave, Kentucky with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 15 kph from the south.

31
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
56
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from S

Mammoth Cave weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Mammoth Cave, Kentucky with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 85% chance of some rain and little or no wind of 6 kph from the north.

25
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
4
UV index (Moderate)
85
% chance of some rain
<30
mm of rainfall expected
25
°C wind chill
6
kph wind from N

Mammoth Cave weather for Thursday 21st May 2026

Expect mostly cloudy with light rain in Mammoth Cave, Kentucky with a maximum temperature of 20°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a light breeze of 9 kph from the north-east.