0.7 (Low)
Last Updated 15 minutes ago
The hourly Porterville, CA UV Index forecast for Thursday, September 18th, 2025.
Last Updated 15 minutes ago
The UV index forecast for the next five days in Porterville, CA has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Porterville over the next five days will be 7.6 on Sunday, September 21st at 1:00 pm.
The UV index forecast for Thursday, September 18th in Porterville, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 12pm | 1.6 |
Low |
| 1pm | 0.8 |
Low |
| 2pm | 0.9 |
Low |
| 3pm | 0.7 |
Low |
| 4pm | 0.4 |
Low |
| 5pm | 0.1 |
Low |
| 6pm | 0 |
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 Porterville, CA 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 | 0.1 |
Low |
| 9am | 0.4 |
Low |
| 10am | 3 |
Moderate |
| 11am | 4.8 |
Moderate |
| 12pm | 4.8 |
Moderate |
| 1pm | 5.7 |
Moderate |
| 2pm | 6.6 |
High |
| 3pm | 5.1 |
Moderate |
| 4pm | 3.1 |
Moderate |
| 5pm | 1.3 |
Low |
| 6pm | 0.4 |
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 Porterville, CA 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 | 0.4 |
Low |
| 9am | 1.4 |
Low |
| 10am | 3.2 |
Moderate |
| 11am | 5.2 |
Moderate |
| 12pm | 6.9 |
High |
| 1pm | 7.5 |
High |
| 2pm | 6.8 |
High |
| 3pm | 5.1 |
Moderate |
| 4pm | 3.1 |
Moderate |
| 5pm | 1.3 |
Low |
| 6pm | 0.4 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, September 21st in Porterville, CA 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 | 0.4 |
Low |
| 9am | 1.4 |
Low |
| 10am | 3.2 |
Moderate |
| 11am | 5.2 |
Moderate |
| 12pm | 7 |
High |
| 1pm | 7.6 |
High |
| 2pm | 7 |
High |
| 3pm | 5.3 |
Moderate |
| 4pm | 3.2 |
Moderate |
| 5pm | 1.4 |
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 Monday, September 22nd in Porterville, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |