7.6 (High)
Last Updated 21 minutes ago
The hourly Sullivan's Island, SC UV Index forecast for Thursday, September 18th, 2025.
Last Updated 21 minutes ago
The UV index forecast for the next five days in Sullivan's Island, SC has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Sullivan's Island over the next five days will be 8.2 on Sunday, September 21st at 1:00 pm.
The UV index forecast for Thursday, September 18th in Sullivan's Island, SC is below.
| Time | UV Index | Risk |
|---|---|---|
| 3pm | 6.1 |
High |
| 4pm | 4 |
Moderate |
| 5pm | 1.9 |
Low |
| 6pm | 0.6 |
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 Sullivan's Island, SC 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 | 0.2 |
Low |
| 9am | 1 |
Low |
| 10am | 2.6 |
Low |
| 11am | 4.7 |
Moderate |
| 12pm | 6.6 |
High |
| 1pm | 7.7 |
High |
| 2pm | 7.4 |
High |
| 3pm | 6 |
High |
| 4pm | 4 |
Moderate |
| 5pm | 2 |
Low |
| 6pm | 0.6 |
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 Sullivan's Island, SC 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 | 0.2 |
Low |
| 9am | 1 |
Low |
| 10am | 2.6 |
Low |
| 11am | 4.8 |
Moderate |
| 12pm | 6.9 |
High |
| 1pm | 8 |
Very High |
| 2pm | 7.8 |
High |
| 3pm | 6.3 |
High |
| 4pm | 4.2 |
Moderate |
| 5pm | 2.1 |
Low |
| 6pm | 0.7 |
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 Sullivan's Island, SC 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 | 0.2 |
Low |
| 9am | 0.6 |
Low |
| 10am | 2 |
Low |
| 11am | 4.2 |
Moderate |
| 12pm | 6.4 |
High |
| 1pm | 8.2 |
Very High |
| 2pm | 8 |
Very High |
| 3pm | 6.5 |
High |
| 4pm | 4.2 |
Moderate |
| 5pm | 2.1 |
Low |
| 6pm | 0.7 |
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 Sullivan's Island, SC 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 | 0.2 |
Low |