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

Walterboro Lowcountry Regional Airport (KRBW)

Lat: 32.92°NLon: 80.64°WElev: 102ft.

Fair

86°F

30°C

Humidity 75%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 18 Aug 9:15 pm EDT
Extended Forecast for

3 Miles W Islandton SC

  • Tonight

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

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97. Heat index values as high as 103. Calm wind.

    High: 97 °F

    Sunny

  • Wednesday Night

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

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. Heat index values as high as 106. Calm wind.

    High: 98 °F

    Sunny

  • Thursday Night

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

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Calm wind.
Wednesday
Sunny, with a high near 97. Heat index values as high as 103. Calm wind.
Wednesday Night
Mostly clear, with a low around 75. Calm wind.
Thursday
Sunny, with a high near 98. Heat index values as high as 106. Calm wind.
Thursday Night
Mostly clear, with a low around 75. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95.
Friday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.
Saturday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Islandton SC
 32.91°N 80.99°W (Elev. 59 ft)
Last Update:
8:32 pm EDT Aug 18, 2026
Forecast Valid:
9pm EDT Aug 18, 2026-6pm EDT Aug 25, 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