Weather in Johnston, South Carolina, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Johnston
Today |
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Temperature: 90°F Wind Speed: 3 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Southwest wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Tonight |
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Temperature: 71°F Wind Speed: 2 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 71. Southwest wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Sunday |
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Temperature: 92°F Wind Speed: 5 mph Wind Direction: W Forecast: A chance of showers and thunderstorms after 2pm. Sunny, with a high near 92. Heat index values as high as 102. West wind around 5 mph. Chance of precipitation is 40%. |
Sunday Night |
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Temperature: 71°F Wind Speed: 5 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Monday |
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Temperature: 92°F Wind Speed: 2 to 7 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southwest wind 2 to 7 mph. Chance of precipitation is 40%. |
Monday Night |
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Temperature: 72°F Wind Speed: 7 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Tuesday |
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Temperature: 91°F Wind Speed: 8 mph Wind Direction: SW Forecast: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 60%. |
Tuesday Night |
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Temperature: 71°F Wind Speed: 3 to 7 mph Wind Direction: SW Forecast: Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%. |
Wednesday |
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Temperature: 87°F Wind Speed: 6 mph Wind Direction: SW Forecast: Showers and thunderstorms likely after 8am. Partly sunny, with a high near 87. Chance of precipitation is 60%. |
Wednesday Night |
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Temperature: 70°F Wind Speed: 5 mph Wind Direction: SW Forecast: Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. |
Thursday |
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Temperature: 91°F Wind Speed: 2 to 6 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 50%. |
Thursday Night |
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Temperature: 71°F Wind Speed: 5 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71. Chance of precipitation is 50%. |
Independence Day |
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Temperature: 93°F Wind Speed: 6 mph Wind Direction: NE Forecast: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. |
Friday Night |
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Temperature: 72°F Wind Speed: 5 mph Wind Direction: E Forecast: A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72. |