Weather in Johnston, South Carolina, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Johnston
Tonight |
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Temperature: 72°F Wind Speed: 2 to 6 mph Wind Direction: S Forecast: Mostly clear, with a low around 72. South wind 2 to 6 mph. New rainfall amounts less than a tenth of an inch possible. |
Monday |
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Temperature: 97°F Wind Speed: 6 mph Wind Direction: W Forecast: Sunny, with a high near 97. Heat index values as high as 101. West wind around 6 mph. |
Monday Night |
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Temperature: 75°F Wind Speed: 6 mph Wind Direction: SW Forecast: Mostly clear, with a low around 75. Southwest wind around 6 mph. |
Tuesday |
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Temperature: 98°F Wind Speed: 6 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 2pm. Sunny, with a high near 98. Heat index values as high as 104. Southwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Tuesday Night |
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Temperature: 74°F Wind Speed: 6 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. Southwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Wednesday |
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Temperature: 95°F Wind Speed: 3 to 7 mph Wind Direction: SW Forecast: Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Wednesday Night |
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Temperature: 72°F Wind Speed: 7 mph Wind Direction: S Forecast: Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. |
Thursday |
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Temperature: 91°F Wind Speed: 5 to 8 mph Wind Direction: SW Forecast: Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%. |
Thursday Night |
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Temperature: 71°F Wind Speed: 7 mph Wind Direction: SW Forecast: Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%. |
Friday |
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Temperature: 90°F Wind Speed: 8 mph Wind Direction: SW Forecast: Showers and thunderstorms likely after 8am. Partly sunny, with a high near 90. Chance of precipitation is 60%. |
Friday Night |
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Temperature: 71°F Wind Speed: 7 mph Wind Direction: SW Forecast: Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%. |
Saturday |
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Temperature: 92°F Wind Speed: 8 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 40%. |
Saturday Night |
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Temperature: 73°F Wind Speed: 5 to 8 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 40%. |
Sunday |
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Temperature: 94°F Wind Speed: 6 mph Wind Direction: W Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. |