UV Index for Louisville, TN

Current Louisville UV Index

0 (Low)

Last Updated 31 minutes ago

Hourly Louisville UV Index

The hourly Louisville, TN UV Index forecast for Wednesday, October 15th, 2025.

5 Day Hourly Louisville UV Index Forecast

Last Updated 8 hours ago

The UV index forecast for the next five days in Louisville, TN has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Louisville over the next five days will be 6 on Wednesday, October 15th at 2:00 pm.

The UV index forecast for Wednesday, October 15th in Louisville, TN is below.

Time UV Index Risk
11pm 0
Low

The UV index forecast for Thursday, October 16th in Louisville, TN is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0.3
Low
10am 1.2
Low
11am 2.8
Low
12pm 4.6
Moderate
1pm 5.8
Moderate
2pm 6
High
3pm 5
Moderate
4pm 3.3
Moderate
5pm 1.6
Low
6pm 0.5
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, October 17th in Louisville, TN is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0.3
Low
10am 1.2
Low
11am 2.6
Low
12pm 4.1
Moderate
1pm 5
Moderate
2pm 5.1
Moderate
3pm 4.2
Moderate
4pm 2.8
Low
5pm 1.2
Low
6pm 0.3
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, October 18th in Louisville, TN is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0.1
Low
10am 0.3
Low
11am 1
Low
12pm 1.1
Low
1pm 2.7
Low
2pm 3.4
Moderate
3pm 2.3
Low
4pm 2.5
Low
5pm 1.2
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, October 19th in Louisville, TN is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low