5.6 (Moderate)
Last Updated 42 minutes ago
The hourly Hilo, HI UV Index forecast for Tuesday, July 15th, 2025.
Last Updated 1 hour ago
The UV index forecast for the next five days in Hilo, HI has 4 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Hilo over the next five days will be 14.7 on Friday, July 18th at 12:00 pm.
The UV index forecast for Tuesday, July 15th in Hilo, HI is below.
| Time | UV Index | Risk |
|---|---|---|
| 10am | 9.3 |
Very High |
| 11am | 12.7 |
Extreme |
| 12pm | 14.5 |
Extreme |
| 1pm | 14.4 |
Extreme |
| 2pm | 12.1 |
Extreme |
| 3pm | 8.5 |
Very High |
| 4pm | 4.6 |
Moderate |
| 5pm | 1.8 |
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 Wednesday, July 16th in Hilo, HI 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 | 0.7 |
Low |
| 8am | 2.4 |
Low |
| 9am | 5.6 |
Moderate |
| 10am | 9.4 |
Very High |
| 11am | 12.7 |
Extreme |
| 12pm | 14.6 |
Extreme |
| 1pm | 14.4 |
Extreme |
| 2pm | 11.9 |
Extreme |
| 3pm | 8.2 |
Very High |
| 4pm | 4.6 |
Moderate |
| 5pm | 1.7 |
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 Thursday, July 17th in Hilo, HI 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 | 0.6 |
Low |
| 8am | 2.2 |
Low |
| 9am | 5.2 |
Moderate |
| 10am | 8.7 |
Very High |
| 11am | 12.7 |
Extreme |
| 12pm | 14 |
Extreme |
| 1pm | 14 |
Extreme |
| 2pm | 11.6 |
Extreme |
| 3pm | 7.6 |
High |
| 4pm | 3.6 |
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 Friday, July 18th in Hilo, HI is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 6am | 0 |
Low |
| 7am | 0.7 |
Low |
| 8am | 2.5 |
Low |
| 9am | 4.8 |
Moderate |
| 10am | 8.5 |
Very High |
| 11am | 13 |
Extreme |
| 12pm | 14.7 |
Extreme |
| 1pm | 14.4 |
Extreme |
| 2pm | 9.1 |
Very High |
| 3pm | 4.2 |
Moderate |
| 4pm | 1.8 |
Low |
| 5pm | 0.3 |
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 Saturday, July 19th in Hilo, HI is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |