Top-of-the-World, AZ: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Top-of-the-World, Pinal County, Arizona (AZ). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
4:50 PM MST

1.8Risk: Low

(Updated 50 minutes ago.)

As of 4:50 PM MST, the UV Index in Top-of-the-World, AZ is 1.8 (Low).
The UV Index is expected to fall to 0.7 (still Low) between 5:00 PM - 6:00 PM MST today.

Hourly UV Index Forecast for Today
Friday, April 4, 2025

6 AM9 AM12 PM3 PM6 PM9 PMMountain Standard Time (MST)0123456789101112Current Time: 4:50 PM, MST

UV Index Data sourced from the NOAA.


As of 4:50 PM MST today in Top-of-the-World, AZ, the UV Index is currently at a low level of 1.8. As the day progresses, the UV index is expected to fall as the sun sets.

The UV Index will return to low levels of 0.7 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 Top-of-the-World, AZ

Today

Time RangeUV IndexRisk
6:00 AM - 10:00 AM (MST)0 - 1.9
Low
10:00 AM - 12:00 PM3 - 4.3
Moderate
12:00 PM - 1:00 PM5.7
High
1:00 PM - 4:00 PM2.8 - 4.5
Moderate
4:00 PM - 12:00 AM0 - 1.8
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 9:00 AM (MST)0 - 1
Low
9:00 AM - 11:00 AM2.5 - 4.3
Moderate
11:00 AM - 2:00 PM5.9 - 6.8
High
2:00 PM - 4:00 PM2.6 - 4.4
Moderate
4:00 PM - 12:00 AM0 - 1.3
Low

Detailed Hourly Top-of-the-World UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
4:00 PM - 5:00 PM (Now, MST)1.8
Low
5:00 PM - 6:00 PM 0.7
Low
6:00 PM - 7:00 PM 0.2
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