UV Index Today in Louisville, Kentucky (KY)

Saturday, August 29, 2026 -12:47 PM EDT (GMT-4)

The UV Index in Louisville, Kentucky (KY) right now is 6.1. This reading was last updated at 12:00 PM EDT, about 47 minutes ago. The UV Index at1:00 PM EDT, in about 12 minutes from now, is expected to be 7.7.

The maximum UV Index today in Louisville is expected to be 8 at 2:00 PM EDT,1 hour and 12 minutes from now. The maximum UV Index tomorrow is expected to be 8.5 at 2:00 PM EDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

August 29
8
2:00 PM EDT
Very High

Tomorrow

August 30
8.5
2:00 PM EDT
Very High

UV Index Today Hourly

August 29

The UV Index for Louisville, Kentucky (KY) peaks at 8 today at 2:00 PM EDT, classified as Very High risk.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMEastern Daylight Time (EDT, GMT-4)Now: 12:47 PM00.20.92.34.26.17.786.34.83.21.40.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

August 30

Data shows Louisville, Kentucky (KY)'s UV Index climbing to 8.5 tomorrow, peaking at2:00 PM EDT under Very High conditions.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMEastern Daylight Time (EDT, GMT-4)00.20.82.14.36.38.28.57.55.63.21.50.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

August 28, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.2
Low
9:00 AM0.9
Low
10:00 AM2.3
Low
11:00 AM4.3
Moderate
12:00 PM6.2
High
1:00 PM7.6
Very High
2:00 PM7.9
Very High
3:00 PM7
High
4:00 PM5
Moderate
5:00 PM2.6
Moderate
6:00 PM1.1
Low
7:00 PM0.4
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 29, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.2
Low
9:00 AM0.9
Low
10:00 AM2.3
Low
11:00 AM4.2
Moderate
12:00 PM6.1
High
1:00 PM7.7
Very High
2:00 PM8
Very High
3:00 PM6.3
High
4:00 PM4.8
Moderate
5:00 PM3.2
Moderate
6:00 PM1.4
Low
7:00 PM0.4
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 30, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.2
Low
9:00 AM0.8
Low
10:00 AM2.1
Low
11:00 AM4.3
Moderate
12:00 PM6.3
High
1:00 PM8.2
Very High
2:00 PM8.5
Very High
3:00 PM7.5
Very High
4:00 PM5.6
High
5:00 PM3.2
Moderate
6:00 PM1.5
Low
7:00 PM0.4
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 31, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.2
Low
9:00 AM0.9
Low
10:00 AM2.4
Low
11:00 AM4.5
Moderate
12:00 PM6.7
High
1:00 PM8.1
Very High
2:00 PM8.4
Very High
3:00 PM7.4
High
4:00 PM5.5
High
5:00 PM3.3
Moderate
6:00 PM1.5
Low
7:00 PM0.4
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 1, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.2
Low
9:00 AM0.9
Low
10:00 AM2.5
Moderate
11:00 AM4.6
Moderate
12:00 PM6.9
High
1:00 PM8.4
Very High
2:00 PM8.6
Very High
3:00 PM7.7
Very High
4:00 PM5.7
High
5:00 PM3.4
Moderate
6:00 PM1.5
Low
7:00 PM0.4
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

Maximum UV Index Today
Data Source: National Oceanic and Atmospheric Administration (NOAA)