Circle, AK: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Circle, Yukon-Koyukuk Census Area, Alaska (AK). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
3:28 PM AKDT

3.5Risk: Moderate

(Updated 28 minutes ago.)

As of 3:28 PM AKDT, the UV Index in Circle, AK is 3.5 (Moderate).
The UV Index is expected to fall to 2.8 (still Moderate) between 4:00 PM - 5:00 PM AKDT today.

Hourly UV Index Forecast for Today
Tuesday, July 28, 2026

5 AM8 AM11 AM2 PM5 PM8 PM11 PMAlaska Daylight Time (AKDT)0123456789101112Current Time: 3:28 PM, AKDT

UV Index Data sourced from the NOAA.


As of 3:28 PM AKDT today in Circle, AK, the UV Index is currently at a moderate level of 3.5. 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 10:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Circle, AK

Today

Time RangeUV IndexRisk
5:00 AM - 11:00 AM (AKDT)0 - 2
Low
11:00 AM - 5:00 PM2.8 - 3.8
Moderate
5:00 PM - 12:00 AM0 - 2.1
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 11:00 AM (AKDT)0 - 1.8
Low
11:00 AM - 4:00 PM2.5 - 3.4
Moderate
4:00 PM - 12:00 AM0 - 2.3
Low

Detailed Hourly Circle UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
3:00 PM - 4:00 PM (Now, AKDT)3.5
Moderate
4:00 PM - 5:00 PM 2.8
Moderate
5:00 PM - 6:00 PM 2.1
Low
6:00 PM - 7:00 PM 1.4
Low
7:00 PM - 8:00 PM 0.8
Low
8:00 PM - 9:00 PM 0.4
Low
9:00 PM - 10:00 PM 0.2
Low
10:00 PM - 11:00 PM 0
Low
11:00 PM - 12:00 AM 0
Low

Current UV Index in Nearby Cities