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
1:23 PM EDT

7.9Risk: Very High

(Updated 23 minutes ago.)

As of 1:23 PM EDT, the UV Index in Grant-Valkaria, FL is 7.9 (Very High).
The UV Index is expected to fall sharply to 6.3 (High) between 2:00 PM - 3:00 PM EDT today.

Hourly UV Index Forecast for Today
Friday, June 12, 2026

12 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PMEastern Daylight Time (EDT)0123456789101112Current Time: 1:23 PM, EDT

UV Index Data sourced from the NOAA.


As of 1:23 PM EDT today in Grant-Valkaria, FL, the UV Index is currently at a very high level of 7.9. As the day progresses, the UV index is expected to fall as the sun sets.

It will return to moderate levels at 3:00 PM and then drop to low levels again from 4:00 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
12:00 AM - 10:00 AM (EDT)0 - 2.3
Low
10:00 AM - 11:00 AM3.9
Moderate
11:00 AM - 12:00 PM6.6
High
12:00 PM - 2:00 PM7.9 - 8.1
Very High
2:00 PM - 3:00 PM6.3
High
3:00 PM - 4:00 PM3.8
Moderate
4:00 PM - 12:00 AM0 - 2.2
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (EDT)0 - 2.2
Low
10:00 AM - 11:00 AM4.5
Moderate
11:00 AM - 12:00 PM7.3
High
12:00 PM - 1:00 PM9.2
Very High
1:00 PM - 3:00 PM10.8 - 11
Extreme
3:00 PM - 4:00 PM9.1
Very High
4:00 PM - 5:00 PM6.6
High
5:00 PM - 6:00 PM3.8
Moderate
6:00 PM - 12:00 AM0 - 1.7
Low

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

Download CSV (Excel) ↓
TimeUV IndexRisk
1:00 PM - 2:00 PM (Now, EDT)7.9
Very High
2:00 PM - 3:00 PM 6.3
High
3:00 PM - 4:00 PM 3.8
Moderate
4:00 PM - 5:00 PM 2.2
Low
5:00 PM - 6:00 PM 1.7
Low
6:00 PM - 7:00 PM 1.2
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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