National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hilton Head Island, Hilton Head Airport (KHXD)

Lat: 32.22°NLon: 80.7°WElev: 20ft.

Fog/Mist

84°F

29°C

Humidity 89%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 81°F (27°C)
Visibility 6.00 mi
Heat Index98°F (37°C)
Last update 19 Aug 1:35 am EDT
Extended Forecast for

Hilton Head Island SC

Heat Advisory August 19, 11:00am until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 79. West wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97. Heat index values as high as 111. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 97 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. South wind 5 to 7 mph becoming calm in the evening.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Heat index values as high as 110. Calm wind becoming southeast 5 to 9 mph in the afternoon.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79. South wind 5 to 7 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 79. West wind around 5 mph.
Wednesday
Sunny, with a high near 97. Heat index values as high as 111. Light and variable wind becoming south around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 79. South wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 94. Heat index values as high as 110. Calm wind becoming southeast 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 79. South wind 5 to 7 mph.
Friday
Sunny, with a high near 93.
Friday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92.
Saturday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 77.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 78.
Monday
Sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hilton Head Island SC
 32.2°N 80.73°W (Elev. 16 ft)
Last Update:
8:32 pm EDT Aug 18, 2026
Forecast Valid:
1am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation