Big Pine Key, FL: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Big Pine Key, Monroe County, Florida (FL). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
3:14 PM EDT

10.1Risk: Very High

(Updated 14 minutes ago.)

As of 3:14 PM EDT, the UV Index in Big Pine Key, FL is 10.1 (Very High).
The UV Index is expected to fall sharply to 7.3 (High) between 4:00 PM - 5:00 PM EDT today.

Hourly UV Index Forecast for Today
Thursday, June 18, 2026

12 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PMEastern Daylight Time (EDT)012345678910111213Current Time: 3:14 PM, EDT

UV Index Data sourced from the NOAA.


As of 3:14 PM EDT today in Big Pine Key, FL, the UV Index is currently at a very high level of 10.1. As the day progresses, the UV index is expected to fall as the sun sets.

It will return to moderate levels at 5:00 PM and then drop to low levels again from 6:00 PM onwards. As the day transitions into the night, the UV Index will drop back down to 0 at 8:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Big Pine Key, FL

Today

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (EDT)0 - 2.2
Low
10:00 AM - 11:00 AM4.6
Moderate
11:00 AM - 12:00 PM7.6
Very High
12:00 PM - 3:00 PM10.5 - 12.1
Extreme
3:00 PM - 4:00 PM10.1
Very High
4:00 PM - 5:00 PM7.3
High
5:00 PM - 6:00 PM4.2
Moderate
6:00 PM - 12:00 AM0 - 1.9
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (EDT)0 - 2.1
Low
10:00 AM - 11:00 AM4.6
Moderate
11:00 AM - 1:00 PM7.5 - 10.2
Very High
1:00 PM - 3:00 PM11.5 - 11.7
Extreme
3:00 PM - 4:00 PM9.9
Very High
4:00 PM - 5:00 PM7.2
High
5:00 PM - 6:00 PM4.2
Moderate
6:00 PM - 12:00 AM0 - 1.8
Low

Detailed Hourly Big Pine Key UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
3:00 PM - 4:00 PM (Now, EDT)10.1
Very High
4:00 PM - 5:00 PM 7.3
High
5:00 PM - 6:00 PM 4.2
Moderate
6:00 PM - 7:00 PM 1.9
Low
7:00 PM - 8:00 PM 0.5
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

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