Johnston, SC

Current conditions, hourly and 7-day forecast, and live radar for Johnston, SC 29832. Right now: mostly clear, 70°F. Data from the National Weather Service.

• Tonight: Mostly clear, with a low around 70. South wind 1 to 6 mph.
• Thursday: Patchy fog before 9am. Mostly sunny, with a high near 92. Southwest wind 0 to 5 mph.
• Thursday Night: Partly cloudy, with a low around 72. South wind around 6 mph.
• Friday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 101. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
• Friday Night: Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Partly cloudy, with a low around 71. South wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
• Saturday: Showers and thunderstorms likely after 8am. Partly sunny, with a high near 91. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.