UV Index Today in Port St. Lucie, Florida (FL)

Sunday, September 20, 2026 -12:22 PM EDT (GMT-4)

The UV Index in Port St. Lucie, Florida (FL) right now is 8.2. This reading was last updated at 12:00 PM EDT, about 22 minutes ago. The UV Index at1:00 PM EDT, in about 37 minutes from now, is expected to be 9.5.

The maximum UV Index today in Port St. Lucie is expected to be 9.5 at 1:00 PM EDT,37 minutes from now. The maximum UV Index tomorrow is expected to be 9.3 at 1:00 PM EDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

September 20
9.5
1:00 PM EDT
Very High

Tomorrow

September 21
9.3
1:00 PM EDT
Very High

UV Index Today Hourly

September 20

Port St. Lucie, Florida (FL) sees Very High-risk UV conditions today, with the index reaching9.5 around 1:00 PM EDT.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMEastern Daylight Time (EDT, GMT-4)Now: 12:22 PM00.21.23.15.78.29.59.35.81.91.10.80
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

September 21

The sun will be strongest in Port St. Lucie, Florida (FL) around 1:00 PM EDT tomorrow, with a UV Index of 9.3 (Very High risk).

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMEastern Daylight Time (EDT, GMT-4)00.21.135.689.39.17.42.70.80.30
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

September 19, 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 AM1.2
Low
10:00 AM3.1
Moderate
11:00 AM5.7
High
12:00 PM8.1
Very High
1:00 PM9.5
Very High
2:00 PM9.1
Very High
3:00 PM5.6
High
4:00 PM1.7
Low
5:00 PM1.3
Low
6:00 PM0.8
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 20, 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 AM1.2
Low
10:00 AM3.1
Moderate
11:00 AM5.7
High
12:00 PM8.2
Very High
1:00 PM9.5
Very High
2:00 PM9.3
Very High
3:00 PM5.8
High
4:00 PM1.9
Low
5:00 PM1.1
Low
6:00 PM0.8
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 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 AM0.2
Low
9:00 AM1.1
Low
10:00 AM3
Moderate
11:00 AM5.6
High
12:00 PM8
Very High
1:00 PM9.3
Very High
2:00 PM9.1
Very High
3:00 PM7.4
High
4:00 PM2.7
Moderate
5:00 PM0.8
Low
6:00 PM0.3
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 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 AM0.2
Low
9:00 AM1.1
Low
10:00 AM3.1
Moderate
11:00 AM5.7
High
12:00 PM8.1
Very High
1:00 PM9.1
Very High
2:00 PM9
Very High
3:00 PM7.5
Very High
4:00 PM4.9
Moderate
5:00 PM2.4
Low
6:00 PM0.8
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 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 AM0.2
Low
9:00 AM1.1
Low
10:00 AM3
Moderate
11:00 AM5.7
High
12:00 PM7.9
Very High
1:00 PM8.8
Very High
2:00 PM8.5
Very High
3:00 PM7
High
4:00 PM4
Moderate
5:00 PM1.4
Low
6:00 PM0.7
Low
7:00 PM0
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)