UV

UV Index Today

UV Index TodayMissouriSt. Louis County

University City

Current UV Index

3.6

Moderate

Moderate risk - Protection measures recommended

Protection Advice

Apply SPF 15+ sunscreen

Wear a hat

24 Hourly Forecast

Jul 27, 2025 15:00
3.6
Moderate
Jul 27, 2025 16:00
4.8
Moderate
Jul 27, 2025 17:00
5.8
Extreme
Jul 27, 2025 18:00
6.8
High
Jul 27, 2025 19:00
7.0
High
Jul 27, 2025 20:00
6.4
High
Jul 27, 2025 21:00
2.2
Extreme
Jul 27, 2025 22:00
1.0
Low
Jul 27, 2025 23:00
0.5
Low
Jul 28, 2025 00:00
1.4
Low
Jul 28, 2025 01:00
0.4
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
0.2
Low
Jul 28, 2025 13:00
0.9
Low
Jul 28, 2025 14:00
2.3
Extreme