Weather Forecast for Hilton Head Island

South Carolina, United States of America

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Sunny

Current Weather - Hilton Head Island: 31°C

South Carolina, United States of America

Sunny

Feels like 35°C

Wind

14 km/h SE

Humidity

59%

Pressure

1020 mb

UV Index

10

Visibility

16 km

Sunny

Sunny

Friday, July 03, 2026

High

35°C

Low

23°C

Rain Chance

6%

Hourly Forecast

Sunny 31°C
19:00
Sunny 30°C
20:00
Clear 28°C
21:00
Clear 28°C
22:00
Clear 27°C
23:00
Jul 04

Day Statistics

Maximum Wind

16 km/h

Humidity

71%

Precipitation

0 mm

UV Index

10

Visibility

10 km

Rain Chance

6%

Snow Chance

0%

Sun & Moon

Sunrise

06:21 AM

Sunset

08:33 PM

Moonrise

11:15 PM

Moonset

09:46 AM

Moon Phase

Waning Gibbous

Moon Illumination

79%

Air Quality

PM2.5

8.7

μg/m³

PM10

13.5

μg/m³

NO₂

2

μg/m³

O₃

72.6

μg/m³

SO₂

0.4

μg/m³

CO

104.5

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

695.17

Diffuse Radiation

86.76

DNI

0

GTI

0