UV Index for Old Harbor, AK

Current Old Harbor UV Index

0 (Low)

Last Updated 7 minutes ago

Hourly Old Harbor UV Index

The hourly Old Harbor, AK UV Index forecast for Thursday, September 18th, 2025.

5 Day Hourly Old Harbor UV Index Forecast

Last Updated 18 hours ago

The UV index forecast for the next five days in Old Harbor, AK has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Old Harbor over the next five days will be 2.2 on Friday, September 19th at 2:00 pm.

The UV index forecast for Thursday, September 18th in Old Harbor, AK is below.

Time UV Index Risk
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0
Low
10am 0.1
Low
11am 0.2
Low
12pm 0.3
Low
1pm 0.3
Low
2pm 0.2
Low
3pm 0.2
Low
4pm 0.2
Low
5pm 0.2
Low
6pm 0.1
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, September 19th in Old Harbor, AK is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0.1
Low
10am 0.3
Low
11am 0.5
Low
12pm 0.9
Low
1pm 1.3
Low
2pm 2.2
Low
3pm 2
Low
4pm 0.8
Low
5pm 0.4
Low
6pm 0.3
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 20th in Old Harbor, AK is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0
Low
10am 0.1
Low
11am 0.2
Low
12pm 0.2
Low
1pm 0.5
Low
2pm 0.5
Low
3pm 0.5
Low
4pm 0.6
Low
5pm 0.5
Low
6pm 0.2
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, September 21st in Old Harbor, AK is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low