UV Index for Portland, AR

Current Portland UV Index

8.7 (Very High)

Last Updated 51 minutes ago

Hourly Portland UV Index

The hourly Portland, AR UV Index forecast for Monday, July 14th, 2025.

5 Day Hourly Portland UV Index Forecast

Last Updated 1 day ago

The UV index forecast for the next five days in Portland, AR has 3 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Portland over the next five days will be 11.2 on Tuesday, July 15th at 1:00 pm.

The UV index forecast for Monday, July 14th in Portland, AR is below.

Time UV Index Risk
4pm 6
High
5pm 3.4
Moderate
6pm 1.4
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, July 15th in Portland, AR 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 0.2
Low
8am 1.1
Low
9am 2.8
Low
10am 5.3
Moderate
11am 8
Very High
12pm 10.2
Very High
1pm 11.2
Extreme
2pm 10.6
Very High
3pm 8.7
Very High
4pm 4.1
Moderate
5pm 1.6
Low
6pm 0.8
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 16th in Portland, AR 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 0.2
Low
8am 1.1
Low
9am 2.8
Low
10am 5.4
Moderate
11am 8.1
Very High
12pm 10.1
Very High
1pm 11
Extreme
2pm 10.4
Very High
3pm 7.1
High
4pm 3.5
Moderate
5pm 1.1
Low
6pm 1.3
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 17th in Portland, AR 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 0.2
Low