10.4 (Very High)
Last Updated 6 minutes ago
The hourly Honolulu, HI UV Index forecast for Friday, April 18th, 2025.
Last Updated 5 hours ago
The UV index forecast for the next five days in Honolulu, HI has 2 days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Honolulu over the next five days will be 11.1 on Monday, April 21st at 1:00 pm.
The UV index forecast for Friday, April 18th in Honolulu, HI is below.
| Time | UV Index | Risk |
|---|---|---|
| 2pm | 9 |
Very High |
| 3pm | 6.4 |
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 Saturday, April 19th in Honolulu, 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 | 0.3 |
Low |
| 8am | 1.3 |
Low |
| 9am | 3.4 |
Moderate |
| 10am | 6.3 |
High |
| 11am | 9.1 |
Very High |
| 12pm | 10.9 |
Very High |
| 1pm | 11 |
Extreme |
| 2pm | 9.4 |
Very High |
| 3pm | 6.6 |
High |
| 4pm | 3.7 |
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 Sunday, April 20th in Honolulu, 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 | 0.3 |
Low |
| 8am | 1.3 |
Low |
| 9am | 3.4 |
Moderate |
| 10am | 6.3 |
High |
| 11am | 9 |
Very High |
| 12pm | 10.5 |
Very High |
| 1pm | 10.2 |
Very High |
| 2pm | 9.1 |
Very High |
| 3pm | 6.4 |
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 Monday, April 21st in Honolulu, 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 | 0.3 |
Low |
| 8am | 1.4 |
Low |
| 9am | 3.5 |
Moderate |
| 10am | 6.4 |
High |
| 11am | 9.2 |
Very High |
| 12pm | 11 |
Extreme |
| 1pm | 11.1 |
Extreme |
| 2pm | 9.5 |
Very High |
| 3pm | 6.7 |
High |
| 4pm | 3.8 |
Moderate |
| 5pm | 1.5 |
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 Tuesday, April 22nd in Honolulu, HI is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |