Weather in Johnston, Iowa, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Johnston
Today |
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Temperature: 43°F Wind Speed: 5 to 12 mph Wind Direction: SE Forecast: Mostly sunny. High near 43, with temperatures falling to around 38 in the afternoon. Southeast wind 5 to 12 mph, with gusts as high as 21 mph. |
Tonight |
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Temperature: 36°F Wind Speed: 12 to 15 mph Wind Direction: SW Forecast: Rain after midnight. Cloudy. Low around 36, with temperatures rising to around 40 overnight. Southwest wind 12 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible. |
Thursday |
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Temperature: 39°F Wind Speed: 15 to 26 mph Wind Direction: WNW Forecast: A slight chance of rain before 7am, then a chance of snow. Partly sunny. High near 39, with temperatures falling to around 21 in the afternoon. Wind chill values as low as 4. West northwest wind 15 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Thursday Night |
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Temperature: 12°F Wind Speed: 6 to 23 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 12. Wind chill values as low as 1. Northwest wind 6 to 23 mph, with gusts as high as 37 mph. |
Friday |
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Temperature: 35°F Wind Speed: 5 to 13 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 35. Southwest wind 5 to 13 mph, with gusts as high as 21 mph. |
Friday Night |
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Temperature: 31°F Wind Speed: 12 mph Wind Direction: SSW Forecast: Mostly cloudy, with a low around 31. |
Saturday |
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Temperature: 41°F Wind Speed: 8 to 12 mph Wind Direction: WNW Forecast: Partly sunny, with a high near 41. |
Saturday Night |
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Temperature: 20°F Wind Speed: 3 to 7 mph Wind Direction: NNW Forecast: Partly cloudy, with a low around 20. |
Sunday |
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Temperature: 34°F Wind Speed: 3 to 7 mph Wind Direction: NNE Forecast: Mostly sunny, with a high near 34. |
Sunday Night |
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Temperature: 22°F Wind Speed: 6 mph Wind Direction: ESE Forecast: Mostly cloudy, with a low around 22. |
Monday |
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Temperature: 38°F Wind Speed: 6 to 9 mph Wind Direction: SSE Forecast: Partly sunny, with a high near 38. |
Monday Night |
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Temperature: 30°F Wind Speed: 7 mph Wind Direction: S Forecast: Mostly cloudy, with a low around 30. |
Tuesday |
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Temperature: 44°F Wind Speed: 8 mph Wind Direction: WNW Forecast: Partly sunny, with a high near 44. |
Tuesday Night |
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Temperature: 26°F Wind Speed: 6 mph Wind Direction: NE Forecast: Mostly cloudy, with a low around 26. |