Weather Forecast for Hilton Head Island

South Carolina, United States of America

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Current Weather - Hilton Head Island: 26°C

South Carolina, United States of America

Clear

Feels like 29°C

Wind

9 km/h W

Humidity

88%

Pressure

1018 mb

UV Index

0

Visibility

10 km

Sunny

Sunny

Sunday, August 16, 2026

High

36°C

Low

25°C

Rain Chance

36%

Hourly Forecast

Sunny 28°C
09:00
Sunny 30°C
10:00
Sunny 32°C
11:00
Sunny 34°C
12:00
Sunny 35°C
13:00
Partly Cloudy 36°C
14:00
Thundery outbreaks in nearby 36°C
15:00
Thundery outbreaks in nearby 36°C
16:00
Thundery outbreaks in nearby 36°C
17:00
Thundery outbreaks in nearby 34°C
18:00
Thundery outbreaks in nearby 32°C
19:00
Thundery outbreaks in nearby 30°C
20:00
Thundery outbreaks in nearby 30°C
21:00
Patchy light drizzle 29°C
22:00
Clear 29°C
23:00
Aug 17

Day Statistics

Maximum Wind

16 km/h

Humidity

69%

Precipitation

0 mm

UV Index

9

Visibility

10 km

Rain Chance

36%

Snow Chance

0%

Sun & Moon

Sunrise

06:48 AM

Sunset

08:06 PM

Moonrise

10:52 AM

Moonset

10:20 PM

Moon Phase

Waxing Crescent

Moon Illumination

18%

Air Quality

PM2.5

11.3

μg/m³

PM10

11.8

μg/m³

NO₂

2.9

μg/m³

O₃

95.6

μg/m³

SO₂

0.8

μg/m³

CO

143.2

μg/m³

US EPA Index: 1 GB DEFRA Index: 1