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

Hazardous Weather Conditions

Current conditions at

Walterboro Lowcountry Regional Airport (KRBW)

Lat: 32.92°NLon: 80.64°WElev: 102ft.

Fair

88°F

31°C

Humidity 70%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 16 Aug 10:15 am EDT
Extended Forecast for

Cottageville SC

Heat Advisory August 16, 11:00am until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 109. Calm wind.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 99. Heat index values as high as 112. Calm wind becoming west around 5 mph in the afternoon.

    High: 99 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. Light southwest wind.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 100. West wind 3 to 5 mph.

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.

    Low: 76 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 98.

    High: 98 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 109. Calm wind.
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Calm wind.
Monday
Sunny, with a high near 99. Heat index values as high as 112. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 78. Light southwest wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 100. West wind 3 to 5 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.
Wednesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 98.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cottageville SC
 32.93°N 80.48°W (Elev. 30 ft)
Last Update:
8:32 am EDT Aug 16, 2026
Forecast Valid:
10am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation