Louisville weather live forecast

Today's maximum temperature in Louisville is expected to be 37°C. Select a day from the live weather forecast for Louisville, Kentucky, USA for more weather parameters.

Thursday
17th Sep
37

27

9

7
Friday
18th Sep
34

26

5

6
Saturday
19th Sep
36

24

7

7
Sunday
20th Sep
35

24

8

6
Monday
21st Sep
30

23

6

5

5-day weather forecast updated at 04:00 on Thursday 17th September 2026 GMT

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

Louisville weather forecast by day

Below are the detailed weather forecasts for Louisville for the next 5 days.

Louisville weather for Thursday 17th September 2026

Expect isolated thunderstorms in Louisville, Kentucky with a maximum temperature of 37°C, very high levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a gentle breeze of 14 kph from the west.

37
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
7
UV index (High)
15
% chance of some rain
<2
mm of rainfall expected
VH
very high heat & humidity
14
kph wind from W

Louisville weather for Friday 18th September 2026

Expect isolated thunderstorms in Louisville, Kentucky with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 50% chance of some rain and a light breeze of 12 kph from the north-east.

34
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
50
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
12
kph wind from NE

Louisville weather for Saturday 19th September 2026

Expect broken clouds in Louisville, Kentucky with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

36
°C maximum temperature
24
°C minimum temperature
broken clouds
7
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
12
kph wind from S

Louisville weather for Sunday 20th September 2026

Expect isolated thunderstorms in Louisville, Kentucky with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 13 kph from the south-west.

35
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
6
UV index (High)
33
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
13
kph wind from SW

Louisville weather for Monday 21st September 2026

Expect isolated thunderstorms in Louisville, Kentucky with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 16 kph from the north-east.