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

Augusta Daniel Field (KDNL)

Lat: 33.47°NLon: 82.04°WElev: 411ft.

A Few Clouds

87°F

31°C

Humidity 65%
Wind Speed N 8 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 19 Aug 5:53 pm EDT
Extended Forecast for

Johnston SC

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 71. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Northeast wind around 7 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. Light north wind.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. North wind around 6 mph. Chance of precipitation is 20%.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light northeast wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 84. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Chance
    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    T-storms
    Likely

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 71. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 90. Northeast wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 72. Light north wind.
Thursday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. North wind around 6 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light northeast wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 84. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Johnston SC
 33.84°N 81.81°W (Elev. 617 ft)
Last Update:
1:33 pm EDT Aug 19, 2025
Forecast Valid:
6pm EDT Aug 19, 2025-6pm EDT Aug 26, 2025
 
Forecast Discussion
 
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Additional Resources

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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