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.

Fair

75°F

24°C

Humidity 94%
Wind Speed N 3 mph
Barometer 30.19 in (1021.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 8 Aug 7:53 am EDT
Extended Forecast for

Johnston SC

  • Today

    Today: Mostly sunny, with a high near 91. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm after midnight.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 4pm and 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 92 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Light south wind. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. West wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 91. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm after midnight.
Sunday
A slight chance of showers and thunderstorms between 4pm and 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Light south wind. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. West wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnston SC
 33.84°N 81.78°W (Elev. 650 ft)
Last Update:
2:21 am EDT Aug 8, 2026
Forecast Valid:
8am EDT Aug 8, 2026-6pm EDT Aug 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation