UV Index for Portland, CO

Current Portland UV Index

0.3 (Low)

Last Updated 11 minutes ago

Hourly Portland UV Index

The hourly Portland, CO UV Index forecast for Tuesday, October 14th, 2025.

5 Day Hourly Portland UV Index Forecast

Last Updated 21 hours ago

The UV index forecast for the next five days in Portland, CO has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Portland over the next five days will be 6.2 on Tuesday, October 14th at 1:00 pm.

The UV index forecast for Tuesday, October 14th in Portland, CO is below.

Time UV Index Risk
10am 0.8
Low
11am 3.6
Moderate
12pm 5.4
Moderate
1pm 6.2
High
2pm 5.8
Moderate
3pm 4.5
Moderate
4pm 2.7
Low
5pm 1.1
Low
6pm 0.2
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, October 15th in Portland, CO 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 0.6
Low
10am 1.8
Low
11am 3.5
Moderate
12pm 5.1
Moderate
1pm 5.9
Moderate
2pm 5.6
Moderate
3pm 4.2
Moderate
4pm 2.4
Low
5pm 0.9
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 Thursday, October 16th in Portland, CO 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 0.6
Low
10am 1.7
Low
11am 3.3
Moderate
12pm 4.8
Moderate
1pm 5.6
Moderate
2pm 5.3
Moderate
3pm 4.1
Moderate
4pm 2.4
Low
5pm 1
Low
6pm 0.2
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, October 17th in Portland, CO 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