Weather in Johnston, Iowa, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Johnston
This Afternoon |
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Temperature: 86°F Wind Speed: 6 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible. |
Tonight |
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Temperature: 67°F Wind Speed: 5 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then a slight chance of showers and thunderstorms between 11pm and 5am. Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. Northwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible. |
Monday |
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Temperature: 82°F Wind Speed: 6 to 9 mph Wind Direction: NNW Forecast: A slight chance of showers and thunderstorms between 8am and 10am, then a chance of showers and thunderstorms between 10am and noon, then a slight chance of showers and thunderstorms between noon and 3pm. Partly sunny, with a high near 82. North northwest wind 6 to 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Monday Night |
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Temperature: 62°F Wind Speed: 3 to 9 mph Wind Direction: NW Forecast: Mostly clear, with a low around 62. Northwest wind 3 to 9 mph. New rainfall amounts less than a tenth of an inch possible. |
Tuesday |
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Temperature: 85°F Wind Speed: 6 mph Wind Direction: WNW Forecast: Sunny, with a high near 85. West northwest wind around 6 mph. |
Tuesday Night |
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Temperature: 63°F Wind Speed: 5 mph Wind Direction: W Forecast: Mostly clear, with a low around 63. |
Wednesday |
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Temperature: 88°F Wind Speed: 2 to 6 mph Wind Direction: SW Forecast: Sunny, with a high near 88. |
Wednesday Night |
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Temperature: 67°F Wind Speed: 5 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%. |
Thursday |
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Temperature: 88°F Wind Speed: 3 to 8 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 88. Chance of precipitation is 30%. |
Thursday Night |
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Temperature: 71°F Wind Speed: 6 mph Wind Direction: SSE Forecast: Mostly clear, with a low around 71. |
Independence Day |
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Temperature: 91°F Wind Speed: 6 to 13 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. |
Friday Night |
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Temperature: 72°F Wind Speed: 12 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 40%. |
Saturday |
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Temperature: 89°F Wind Speed: 12 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%. |
Saturday Night |
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Temperature: 69°F Wind Speed: 5 to 8 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. |