0 (Low)
Last Updated 16 minutes ago
The hourly Portland, OR UV Index forecast for Tuesday, July 8th, 2025.
Last Updated 1 day ago
The UV index forecast for the next five days in Portland, OR has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Portland over the next five days will be 8.3 on Tuesday, July 8th at 1:00 pm.
The UV index forecast for Tuesday, July 8th in Portland, OR is below.
| Time | UV Index | Risk |
|---|---|---|
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |
| 6am | 0 |
Low |
| 7am | 0.4 |
Low |
| 8am | 1.2 |
Low |
| 9am | 2.5 |
Low |
| 10am | 4.3 |
Moderate |
| 11am | 6.2 |
High |
| 12pm | 7.7 |
High |
| 1pm | 8.3 |
Very High |
| 2pm | 8 |
Very High |
| 3pm | 6.9 |
High |
| 4pm | 5.1 |
Moderate |
| 5pm | 3.2 |
Moderate |
| 6pm | 1.7 |
Low |
| 7pm | 0.6 |
Low |
| 8pm | 0.2 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, July 9th in Portland, OR 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 | 0.2 |
Low |
| 9am | 0.6 |
Low |
| 10am | 0.9 |
Low |
| 11am | 1.7 |
Low |
| 12pm | 6 |
High |
| 1pm | 7.4 |
High |
| 2pm | 4.2 |
Moderate |
| 3pm | 3.4 |
Moderate |
| 4pm | 2.5 |
Low |
| 5pm | 1.8 |
Low |
| 6pm | 1.5 |
Low |
| 7pm | 0.7 |
Low |
| 8pm | 0.2 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, July 10th in Portland, OR is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |