Weather Forecast for Hilton Head Island
South Carolina, United States of America
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Current Weather - Hilton Head Island: 26°C
Current Weather - Hilton Head Island: 26°C
South Carolina, United States of America
Patchy rain nearby
Feels like 31°C
Wind
7 km/h NNW
Humidity
94%
Pressure
1020 mb
UV Index
0
Visibility
16 km
Patchy rain nearby
Wednesday, July 15, 2026
High
33°C
Low
24°C
Rain Chance
75%
Hourly Forecast
24°C
24°C
25°C
26°C
27°C
29°C
31°C
31°C
33°C
33°C
32°C
28°C
28°C
28°C
27°C
26°C
26°C
26°C
Day Statistics
Maximum Wind
8 km/h
Humidity
82%
Precipitation
7 mm
UV Index
10
Visibility
8 km
Rain Chance
75%
Snow Chance
0%
Sun & Moon
Sunrise
06:27 AM
Sunset
08:31 PM
Moonrise
07:22 AM
Moonset
09:40 PM
Moon Phase
New Moon
Moon Illumination
3%
Air Quality
PM2.5
5.6
μg/m³
PM10
6.6
μg/m³
NO₂
3
μg/m³
O₃
77.8
μg/m³
SO₂
0.6
μg/m³
CO
131.8
μg/m³
Weather Alerts
Coastal Flood Advisory issued July 14 at 4:20PM EDT until July 14 at 11:00PM EDT by NWS Charleston SC
* WHAT...Up to one foot of inundation above ground level expected along shorelines and tidal waterways (7.5 to 7.7 feet Mean Lower Low Water at Charleston). * WHERE...Coastal Colleton and Charleston Counties. * WHEN...Until 11 PM EDT this evening. * IMPACTS...This will result in some roads becoming impassable and minor flooding of properties. * ADDITIONAL DETAILS...High tide will occur around 8:58 PM today at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Visit water.weather.gov for additional water level and flood impact information.
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