Grant-Valkaria, 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 Grant-Valkaria, Brevard 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
3:27 PM EDT

4.1Risk: Moderate

(Updated 27 minutes ago.)

As of 3:27 PM EDT, the UV Index in Grant-Valkaria, FL is 4.1 (Moderate).
The UV Index is expected to fall to 3.5 (still Moderate) between 4:00 PM - 5:00 PM EDT today.

Hourly UV Index Forecast for Today
Thursday, September 18, 2025

9 AM12 PM3 PM6 PM9 PMEastern Daylight Time (EDT)0123456789101112Current Time: 3:27 PM, EDT

UV Index Data sourced from the NOAA.


As of 3:27 PM EDT today in Grant-Valkaria, FL, the UV Index is currently at a moderate level of 4.1. As the day progresses, the UV index is expected to fall as the sun sets.

It will return to moderate levels at 4:00 PM and then drop to low levels again from 5:00 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 Grant-Valkaria, FL

Today

Time RangeUV IndexRisk
9:00 AM - 11:00 AM (EDT)0.9 - 2.1
Low
11:00 AM - 12:00 PM4.5
Moderate
12:00 PM - 1:00 PM7
High
1:00 PM - 2:00 PM8.1
Very High
2:00 PM - 3:00 PM6.6
High
3:00 PM - 5:00 PM3.5 - 4.1
Moderate
5:00 PM - 12:00 AM0 - 1.9
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (EDT)0 - 1.1
Low
10:00 AM - 11:00 AM2.8
Moderate
11:00 AM - 12:00 PM5.6
High
12:00 PM - 4:00 PM7.6 - 9.5
Very High
4:00 PM - 6:00 PM2.5 - 5
Moderate
6:00 PM - 12:00 AM0 - 0.8
Low

Detailed Hourly Grant-Valkaria UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
3:00 PM - 4:00 PM (Now, EDT)4.1
Moderate
4:00 PM - 5:00 PM 3.5
Moderate
5:00 PM - 6:00 PM 1.9
Low
6:00 PM - 7:00 PM 0.8
Low
7:00 PM - 8:00 PM 0.1
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