Weather in Johnston, Iowa, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Johnston
Overnight |
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Temperature: 5°F Wind Speed: 12 mph Wind Direction: SSW Forecast: Mostly clear. Low around 5, with temperatures rising to around 16 overnight. Wind chill values as low as 2. South southwest wind around 12 mph, with gusts as high as 22 mph. |
Monday |
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Temperature: 34°F Wind Speed: 5 to 12 mph Wind Direction: SW Forecast: Mostly sunny. High near 34, with temperatures falling to around 29 in the afternoon. Wind chill values as low as 4. Southwest wind 5 to 12 mph, with gusts as high as 21 mph. |
Monday Night |
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Temperature: 19°F Wind Speed: 3 mph Wind Direction: SW Forecast: Areas of fog after midnight. Mostly cloudy, with a low around 19. Southwest wind around 3 mph. |
Tuesday |
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Temperature: 39°F Wind Speed: 5 to 8 mph Wind Direction: SSW Forecast: Patchy fog before 10am. Partly sunny, with a high near 39. South southwest wind 5 to 8 mph. |
Tuesday Night |
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Temperature: 24°F Wind Speed: 2 to 6 mph Wind Direction: W Forecast: Partly cloudy, with a low around 24. West wind 2 to 6 mph. |
Wednesday |
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Temperature: 41°F Wind Speed: 2 to 12 mph Wind Direction: SSW Forecast: Mostly sunny, with a high near 41. |
Wednesday Night |
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Temperature: 36°F Wind Speed: 14 mph Wind Direction: SW Forecast: A chance of rain after midnight. Mostly cloudy, with a low around 36. Chance of precipitation is 40%. |
Thursday |
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Temperature: 39°F Wind Speed: 15 to 22 mph Wind Direction: WNW Forecast: Mostly sunny, with a high near 39. |
Thursday Night |
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Temperature: 9°F Wind Speed: 5 to 14 mph Wind Direction: NNW Forecast: Partly cloudy, with a low around 9. |
Friday |
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Temperature: 37°F Wind Speed: 6 to 15 mph Wind Direction: SE Forecast: Partly sunny, with a high near 37. |
Friday Night |
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Temperature: 31°F Wind Speed: 7 to 13 mph Wind Direction: S Forecast: Mostly cloudy, with a low around 31. |
Saturday |
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Temperature: 41°F Wind Speed: 7 to 10 mph Wind Direction: W Forecast: Partly sunny, with a high near 41. |
Saturday Night |
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Temperature: 19°F Wind Speed: 3 to 7 mph Wind Direction: N Forecast: Mostly cloudy, with a low around 19. |
Sunday |
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Temperature: 35°F Wind Speed: 3 to 7 mph Wind Direction: ENE Forecast: Mostly sunny, with a high near 35. |