Weather in Johnston, Iowa, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Johnston
Tonight |
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Temperature: 50°F Wind Speed: 3 to 9 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before 1am. Some of the storms could be severe. Partly cloudy. Low around 50, with temperatures rising to around 53 overnight. West wind 3 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
Thursday |
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Temperature: 78°F Wind Speed: 3 to 10 mph Wind Direction: WSW Forecast: Sunny. High near 78, with temperatures falling to around 76 in the afternoon. West southwest wind 3 to 10 mph. New rainfall amounts less than a tenth of an inch possible. |
Thursday Night |
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Temperature: 58°F Wind Speed: 7 to 10 mph Wind Direction: S Forecast: Mostly clear, with a low around 58. South wind 7 to 10 mph, with gusts as high as 18 mph. |
Friday |
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Temperature: 80°F Wind Speed: 12 to 20 mph Wind Direction: S Forecast: A chance of rain showers between 7am and 10am, then showers and thunderstorms. Partly sunny. High near 80, with temperatures falling to around 75 in the afternoon. South wind 12 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
Friday Night |
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Temperature: 37°F Wind Speed: 16 mph Wind Direction: WNW Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 37. West northwest wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible. |
Saturday |
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Temperature: 51°F Wind Speed: 14 to 18 mph Wind Direction: NW Forecast: A slight chance of rain showers before 7am. Sunny, with a high near 51. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Saturday Night |
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Temperature: 33°F Wind Speed: 6 to 15 mph Wind Direction: WNW Forecast: Mostly clear, with a low around 33. |
Sunday |
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Temperature: 60°F Wind Speed: 6 to 10 mph Wind Direction: WNW Forecast: Sunny, with a high near 60. |
Sunday Night |
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Temperature: 39°F Wind Speed: 7 mph Wind Direction: ENE Forecast: Mostly clear, with a low around 39. |
Monday |
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Temperature: 71°F Wind Speed: 7 to 16 mph Wind Direction: SSE Forecast: Sunny, with a high near 71. |
Monday Night |
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Temperature: 51°F Wind Speed: 14 mph Wind Direction: SSW Forecast: Partly cloudy, with a low around 51. |
Tuesday |
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Temperature: 74°F Wind Speed: 10 to 14 mph Wind Direction: SW Forecast: Sunny, with a high near 74. |
Tuesday Night |
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Temperature: 51°F Wind Speed: 7 to 12 mph Wind Direction: SSW Forecast: Partly cloudy, with a low around 51. |
Wednesday |
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Temperature: 73°F Wind Speed: 7 to 14 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. |