UV Index for Hilton Head Island, SC

Current Hilton Head Island UV Index

0 (Low)

Last Updated 34 minutes ago

Hourly Hilton Head Island UV Index

The hourly Hilton Head Island, SC UV Index forecast for Wednesday, July 16th, 2025.

5 Day Hourly Hilton Head Island UV Index Forecast

Last Updated 12 hours ago

The UV index forecast for the next five days in Hilton Head Island, SC has 1 day reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Hilton Head Island over the next five days will be 11.3 on Thursday, July 17th at 1:00 pm.

The UV index forecast for Wednesday, July 16th in Hilton Head Island, SC is below.

Time UV Index Risk
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.1
Low
8am 0.8
Low
9am 2.2
Low
10am 4.6
Moderate
11am 7.3
High
12pm 9.5
Very High
1pm 10.8
Very High
2pm 10.8
Very High
3pm 9
Very High
4pm 6.5
High
5pm 3.8
Moderate
6pm 1.8
Low
7pm 0.6
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 17th in Hilton Head 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 0.1
Low
8am 0.8
Low
9am 2.3
Low
10am 4.7
Moderate
11am 7.4
High
12pm 9.9
Very High
1pm 11.3
Extreme
2pm 11.2
Extreme
3pm 9.4
Very High
4pm 6.9
High
5pm 4.1
Moderate
6pm 1.9
Low
7pm 0.6
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 18th in Hilton Head 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 0.1
Low
8am 0.7
Low
9am 1.8
Low
10am 3.8
Moderate
11am 6.1
High
12pm 6.4
High
1pm 10.2
Very High
2pm 10.8
Very High
3pm 9.1
Very High
4pm 6
High
5pm 3.9
Moderate
6pm 1.8
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 19th in Hilton Head 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 0.1
Low
8am 0.8
Low