UV Index Today in Louisville, Kentucky (KY)

Wednesday, July 15, 2026 -12:15 PM EDT (GMT-4)

The UV Index in Louisville, Kentucky (KY) right now is 8.3. This reading was last updated at 12:00 PM EDT, about 15 minutes ago. The UV Index at1:00 PM EDT, in about 44 minutes from now, is expected to be 9.8.

The maximum UV Index today in Louisville is expected to be 10.1 at 2:00 PM EDT,1 hour and 44 minutes from now. The maximum UV Index tomorrow is expected to be 9.7 at 1:00 PM EDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

July 15
10.1
2:00 PM EDT
Very High

Tomorrow

July 16
9.7
1:00 PM EDT
Very High

UV Index Today Hourly

July 15

The UV Index for Louisville, Kentucky (KY) peaks at 10.1 today at 2:00 PM EDT, classified as Very High risk.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PM9 PMEastern Daylight Time (EDT, GMT-4)Now: 12:15 PM00.10.61.73.668.39.810.19.17.14.62.510.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

July 16

Data shows Louisville, Kentucky (KY)'s UV Index climbing to 9.7 tomorrow, peaking at1:00 PM EDT under Very High conditions.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PM9 PMEastern Daylight Time (EDT, GMT-4)00.61.73.65.98.29.79.466.44.52.410.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

July 14, 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 AM0.1
Low
8:00 AM0.6
Low
9:00 AM1.6
Low
10:00 AM3.5
Moderate
11:00 AM5.8
High
12:00 PM8.1
Very High
1:00 PM9.5
Very High
2:00 PM9.8
Very High
3:00 PM8.8
Very High
4:00 PM6.8
High
5:00 PM4.5
Moderate
6:00 PM2.4
Low
7:00 PM1
Low
8:00 PM0.2
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 15, 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 AM0.1
Low
8:00 AM0.6
Low
9:00 AM1.7
Low
10:00 AM3.6
Moderate
11:00 AM6
High
12:00 PM8.3
Very High
1:00 PM9.8
Very High
2:00 PM10.1
Very High
3:00 PM9.1
Very High
4:00 PM7.1
High
5:00 PM4.6
Moderate
6:00 PM2.5
Moderate
7:00 PM1
Low
8:00 PM0.2
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 16, 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 AM0.6
Low
9:00 AM1.7
Low
10:00 AM3.6
Moderate
11:00 AM5.9
High
12:00 PM8.2
Very High
1:00 PM9.7
Very High
2:00 PM9.4
Very High
3:00 PM6
High
4:00 PM6.4
High
5:00 PM4.5
Moderate
6:00 PM2.4
Low
7:00 PM1
Low
8:00 PM0.2
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 17, 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 AM0.6
Low
9:00 AM1.7
Low
10:00 AM3.7
Moderate
11:00 AM6.1
High
12:00 PM8.4
Very High
1:00 PM9.5
Very High
2:00 PM9.1
Very High
3:00 PM8.6
Very High
4:00 PM7.2
High
5:00 PM4.6
Moderate
6:00 PM2.4
Low
7:00 PM0.9
Low
8:00 PM0.2
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 18, 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 AM0.1
Low
9:00 AM0.3
Low
10:00 AM1.6
Low
11:00 AM0.9
Low
12:00 PM1
Low
1:00 PM4.7
Moderate
2:00 PM4.7
Moderate
3:00 PM7.3
High
4:00 PM5.5
High
5:00 PM3.9
Moderate
6:00 PM2.2
Low
7:00 PM0.8
Low
8:00 PM0.2
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)