Weather in Johnston, Iowa, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Johnston
Today |
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Temperature: 82°F Wind Speed: 8 mph Wind Direction: SE Forecast: Mostly sunny, with a high near 82. Southeast wind around 8 mph. |
Tonight |
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Temperature: 66°F Wind Speed: 8 mph Wind Direction: SE Forecast: Partly cloudy, with a low around 66. Southeast wind around 8 mph. |
Wednesday |
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Temperature: 87°F Wind Speed: 6 to 9 mph Wind Direction: SE Forecast: Partly sunny. High near 87, with temperatures falling to around 85 in the afternoon. Southeast wind 6 to 9 mph. |
Wednesday Night |
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Temperature: 70°F Wind Speed: 8 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. South southeast wind around 8 mph. Chance of precipitation is 20%. |
Thursday |
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Temperature: 89°F Wind Speed: 6 to 9 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89. South southeast wind 6 to 9 mph. Chance of precipitation is 20%. |
Thursday Night |
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Temperature: 72°F Wind Speed: 9 mph Wind Direction: SSE Forecast: Mostly clear, with a low around 72. |
Friday |
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Temperature: 93°F Wind Speed: 9 to 14 mph Wind Direction: S Forecast: Sunny, with a high near 93. |
Friday Night |
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Temperature: 73°F Wind Speed: 9 to 13 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Chance of precipitation is 20%. |
Saturday |
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Temperature: 88°F Wind Speed: 9 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%. |
Saturday Night |
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Temperature: 67°F Wind Speed: 5 to 8 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 67. Chance of precipitation is 60%. |
Sunday |
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Temperature: 85°F Wind Speed: 6 mph Wind Direction: SW Forecast: Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Some of the storms could produce heavy rain. Partly sunny, with a high near 85. Chance of precipitation is 60%. |
Sunday Night |
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Temperature: 66°F Wind Speed: 5 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%. |
Monday |
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Temperature: 84°F Wind Speed: 6 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 40%. |
Monday Night |
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Temperature: 65°F Wind Speed: 5 mph Wind Direction: WSW Forecast: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. |