UV Index Today in St. Petersburg, Florida (FL)

Friday, May 22, 2026 -2:40 PMEDT (GMT-4)

The UV Index in St. Petersburg, Florida (FL) right now is 9.8. This reading was last updated at 2:00 PM EDT, about 40 minutes ago. The UV Index at3:00 PM EDT, in about 19 minutes from now, is expected to be 8.5.

The maximum UV Index today in St. Petersburg was 10 at 1:00 PM EDT,1 hour and 40 minutes ago. The maximum UV Index tomorrow is expected to be 10.8 at 2:00 PM EDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

May 22
10
1:00 PM EDT
Very High

Tomorrow

May 23
10.8
2:00 PM EDT
Extreme

UV Index Today Hourly

May 22

The highest UV reading in St. Petersburg, Florida (FL) today is 10 at 1:00 PM EDT, falling in the Very High category.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMEastern Daylight Time (EDT, GMT-4)Now: 2:40 PM00.41.23.16.48.6109.88.56.53.91.80.50
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

May 23

UV levels in St. Petersburg, Florida (FL) are projected to top out at 10.8 tomorrow, hitting Extreme risk near 2:00 PM EDT.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMEastern Daylight Time (EDT, GMT-4)00.51.646.58.610.710.89.36.94.11.90.60
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

May 21, 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 AM0.5
Low
9:00 AM1.8
Low
10:00 AM3.9
Moderate
11:00 AM6.7
High
12:00 PM9.2
Very High
1:00 PM10.7
Extreme
2:00 PM10.8
Extreme
3:00 PM9.2
Very High
4:00 PM6.7
High
5:00 PM3.8
Moderate
6:00 PM1.6
Low
7:00 PM0.5
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

May 22, 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 AM0.4
Low
9:00 AM1.2
Low
10:00 AM3.1
Moderate
11:00 AM6.4
High
12:00 PM8.6
Very High
1:00 PM10
Very High
2:00 PM9.8
Very High
3:00 PM8.5
Very High
4:00 PM6.5
High
5:00 PM3.9
Moderate
6:00 PM1.8
Low
7:00 PM0.5
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

May 23, 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 AM0.5
Low
9:00 AM1.6
Low
10:00 AM4
Moderate
11:00 AM6.5
High
12:00 PM8.6
Very High
1:00 PM10.7
Extreme
2:00 PM10.8
Extreme
3:00 PM9.3
Very High
4:00 PM6.9
High
5:00 PM4.1
Moderate
6:00 PM1.9
Low
7:00 PM0.6
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

May 24, 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 AM0.5
Low
9:00 AM1.8
Low
10:00 AM3.9
Moderate
11:00 AM6.5
High
12:00 PM9
Very High
1:00 PM10.4
Very High
2:00 PM10.4
Very High
3:00 PM9
Very High
4:00 PM6.6
High
5:00 PM4
Moderate
6:00 PM1.8
Low
7:00 PM0.6
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

May 25, 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 AM0.5
Low
9:00 AM1.8
Low
10:00 AM3.9
Moderate
11:00 AM6.6
High
12:00 PM9
Very High
1:00 PM10.5
Extreme
2:00 PM10.6
Extreme
3:00 PM9.2
Very High
4:00 PM6.8
High
5:00 PM4.1
Moderate
6:00 PM1.8
Low
7:00 PM0.2
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)