Kaltag, 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 Kaltag, 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
2:06 PM AKDT

2.8Risk: Moderate

(Updated 6 minutes ago.)

As of 2:06 PM AKDT, the UV Index in Kaltag, AK is 2.8 (Moderate).
The UV Index is expected to fall to 2.4 (Low) between 3:00 PM - 4:00 PM AKDT today.

Hourly UV Index Forecast for Today
Wednesday, May 20, 2026

5 AM8 AM11 AM2 PM5 PM8 PM11 PMAlaska Daylight Time (AKDT)0123456789101112Current Time: 2:06 PM, AKDT

UV Index Data sourced from the NOAA.


As of 2:06 PM AKDT today in Kaltag, AK, the UV Index is currently at a moderate level of 2.8. 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 3:00 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 Kaltag, AK

Today

Time RangeUV IndexRisk
5:00 AM - 1:00 PM (AKDT)0 - 2.3
Low
1:00 PM - 3:00 PM2.8 - 2.9
Moderate
3:00 PM - 4:00 PM2.4
Low
4:00 PM - 6:00 PM2.5 - 2.8
Moderate
6:00 PM - 12:00 AM0 - 1.8
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 12:00 AM (AKDT)0 - 2.3
Low

Detailed Hourly Kaltag UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
2:00 PM - 3:00 PM (Now, AKDT)2.8
Moderate
3:00 PM - 4:00 PM 2.4
Low
4:00 PM - 5:00 PM 2.8
Moderate
5:00 PM - 6:00 PM 2.5
Moderate
6:00 PM - 7:00 PM 1.8
Low
7:00 PM - 8:00 PM 1
Low
8:00 PM - 9:00 PM 0.5
Low
9:00 PM - 10:00 PM 0.3
Low
10:00 PM - 11:00 PM 0.2
Low
11:00 PM - 12:00 AM 0
Low

Current UV Index in Nearby Cities