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

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 17 Aug 2:15 am EDT
Extended Forecast for

Walterboro SC

Heat Advisory August 17, 11:00am until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 99. Heat index values as high as 110. Calm wind becoming west around 5 mph in the afternoon.

    High: 99 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Light southwest wind.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 99. Heat index values as high as 113. West wind 3 to 7 mph.

    High: 99 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 98.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. Calm wind.
Monday
Sunny, with a high near 99. Heat index values as high as 110. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 77. Light southwest wind.
Tuesday
Sunny, with a high near 99. Heat index values as high as 113. West wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 75. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 98.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 98.
Thursday Night
Mostly clear, with a low around 75.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 97.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Saturday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 94. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Walterboro SC
 32.9°N 80.67°W (Elev. 30 ft)
Last Update:
2:15 am EDT Aug 17, 2026
Forecast Valid:
2am EDT Aug 17, 2026-6pm EDT Aug 23, 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