Petersville, 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 Petersville, Matanuska-Susitna Borough, 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
1:51 PM AKDT

3.4Risk: Moderate

(Updated 51 minutes ago.)

As of 1:51 PM AKDT, the UV Index in Petersville, AK is 3.4 (Moderate).
The UV Index is expected to fall to 3.3 (still Moderate) between 2:00 PM - 3:00 PM AKDT today.

Hourly UV Index Forecast for Today
Sunday, July 13, 2025

5 AM8 AM11 AM2 PM5 PM8 PM11 PMAlaska Daylight Time (AKDT)0123456789101112Current Time: 1:51 PM, AKDT

UV Index Data sourced from the NOAA.


As of 1:51 PM AKDT today in Petersville, AK, the UV Index is currently at a moderate level of 3.4. As the day progresses, the UV index is expected to fall as the sun sets.

It will return to moderate levels at 2:00 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 11:00 PM.


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

Today

Time RangeUV IndexRisk
5:00 AM - 11:00 AM (AKDT)0 - 1.4
Low
11:00 AM - 4:00 PM2.7 - 3.7
Moderate
4:00 PM - 12:00 AM0 - 2.1
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 12:00 AM (AKDT)0 - 1.5
Low

Detailed Hourly Petersville UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
1:00 PM - 2:00 PM (Now, AKDT)3.4
Moderate
2:00 PM - 3:00 PM 3.3
Moderate
3:00 PM - 4:00 PM 2.7
Moderate
4:00 PM - 5:00 PM 2.1
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 0.4
Low
9:00 PM - 10:00 PM 0.2
Low
10:00 PM - 11:00 PM 0.1
Low
11:00 PM - 12:00 AM 0
Low

Current UV Index in Nearby Cities