Arecibo, PR: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Arecibo, Arecibo Municipio, Puerto Rico (PR). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
4:27 PM AST

4Risk: Moderate

(Updated 27 minutes ago.)

As of 4:27 PM AST, the UV Index in Arecibo, PR is 4 (Moderate).
The UV Index is expected to fall sharply to 1.5 (Low) between 5:00 PM - 6:00 PM AST today.

Hourly UV Index Forecast for Today
Saturday, April 26, 2025

9 AM12 PM3 PM6 PM9 PMAtlantic Standard Time (AST)012345678910111213Current Time: 4:27 PM, AST

UV Index Data sourced from the NOAA.


As of 4:27 PM AST today in Arecibo, PR, the UV Index is currently at a moderate level of 4. As the day progresses, the UV index is expected to fall as the sun sets.

The UV Index will return to low levels of 1.5 at 5:00 PM. As the day transitions into the night, the UV Index will drop back down to 0 at 7:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Arecibo, PR

Today

Time RangeUV IndexRisk
9:00 AM - 10:00 AM (AST)4.2
Moderate
10:00 AM - 12:00 PM7.5 - 9.8
Very High
12:00 PM - 2:00 PM11.9 - 12.5
Extreme
2:00 PM - 3:00 PM9.8
Very High
3:00 PM - 4:00 PM7.3
High
4:00 PM - 5:00 PM4
Moderate
5:00 PM - 12:00 AM0 - 1.5
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 9:00 AM (AST)0 - 1.5
Low
9:00 AM - 10:00 AM3.9
Moderate
10:00 AM - 11:00 AM6.7
High
11:00 AM - 12:00 PM9.8
Very High
12:00 PM - 2:00 PM11.7 - 12.4
Extreme
2:00 PM - 3:00 PM9.7
Very High
3:00 PM - 12:00 AM0 - 2.1
Low

Detailed Hourly Arecibo UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
4:00 PM - 5:00 PM (Now, AST)4
Moderate
5:00 PM - 6:00 PM 1.5
Low
6:00 PM - 7:00 PM 0.3
Low
7:00 PM - 8:00 PM 0
Low
8:00 PM - 9:00 PM 0
Low
9:00 PM - 10:00 PM 0
Low
10:00 PM - 11:00 PM 0
Low
11:00 PM - 12:00 AM 0
Low

Current UV Index in Nearby Cities