Gustavus, 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 Gustavus, Hoonah-Angoon 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
2:55 PM AKDT

2Risk: Low

(Updated 55 minutes ago.)

As of 2:55 PM AKDT, the UV Index in Gustavus, AK is 2 (Low).
The UV Index is expected to fall to 1.9 (still Low) between 3:00 PM - 4:00 PM AKDT today.

Hourly UV Index Forecast for Today
Wednesday, June 24, 2026

5 AM8 AM11 AM2 PM5 PM8 PM11 PMAlaska Daylight Time (AKDT)0123456789101112Current Time: 2:55 PM, AKDT

UV Index Data sourced from the NOAA.


As of 2:55 PM AKDT today in Gustavus, AK, the UV Index is currently at a low level of 2. As the day progresses, the UV index is expected to fall as the sun sets.

The UV Index will return to low levels of 1.9 at 3:00 PM. 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 Gustavus, AK

Today

Time RangeUV IndexRisk
5:00 AM - 1:00 PM (AKDT)0 - 2.3
Low
1:00 PM - 2:00 PM2.8
Moderate
2:00 PM - 12:00 AM0 - 2
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 12:00 AM (AKDT)0 - 1.6
Low

Detailed Hourly Gustavus UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
2:00 PM - 3:00 PM (Now, AKDT)2
Low
3:00 PM - 4:00 PM 1.9
Low
4:00 PM - 5:00 PM 1
Low
5:00 PM - 6:00 PM 0.7
Low
6:00 PM - 7:00 PM 0.7
Low
7:00 PM - 8:00 PM 0.4
Low
8:00 PM - 9:00 PM 0.3
Low
9:00 PM - 10:00 PM 0.1
Low
10:00 PM - 11:00 PM 0
Low
11:00 PM - 12:00 AM 0
Low

Current UV Index in Nearby Cities