UV

UV Index Today

UV Index TodayTennesseeKnox County

Knoxville

Current UV Index

6.4

High

High risk - Protection needed

Protection Advice

Apply SPF 30+ sunscreen every 2 hours

Wear a wide-brim hat

Use sunglasses

Seek shade during midday hours

24 Hourly Forecast

Jul 27, 2025 16:00
6.4
High
Jul 27, 2025 17:00
7.4
Extreme
Jul 27, 2025 18:00
7.8
Extreme
Jul 27, 2025 19:00
4.0
Moderate
Jul 27, 2025 20:00
2.5
Extreme
Jul 27, 2025 21:00
5.5
Extreme
Jul 27, 2025 22:00
3.9
Moderate
Jul 27, 2025 23:00
0.8
Low
Jul 28, 2025 00:00
0.2
Low
Jul 28, 2025 01:00
0.1
Low
Jul 28, 2025 02:00
0.0
Low
Jul 28, 2025 03:00
0.0
Low
Jul 28, 2025 04:00
0.0
Low
Jul 28, 2025 05:00
0.0
Low
Jul 28, 2025 06:00
0.0
Low
Jul 28, 2025 07:00
0.0
Low
Jul 28, 2025 08:00
0.0
Low
Jul 28, 2025 09:00
0.0
Low
Jul 28, 2025 10:00
0.0
Low
Jul 28, 2025 11:00
0.0
Low
Jul 28, 2025 12:00
0.5
Low
Jul 28, 2025 13:00
1.6
Low
Jul 28, 2025 14:00
3.1
Moderate
Jul 28, 2025 15:00
4.8
Moderate