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Portsmouth, IA
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7-Day Forecast
Tonight
Increasing Clouds
Low: 38°
Increasing clouds with a low around 38. East wind 5 to 8 mph.
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Sunday
Showers Likely then Showers
High: 49°
Showers with thunderstorms also possible after 4pm. High near 49. East wind 10 to 17 mph with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
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Sunday Night
Showers
Low: 38°
Showers and possibly a thunderstorm. Low around 38. Northeast wind 11 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
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Monday
Sunny
High: 66°
Sunny with a high near 66. West northwest wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.
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Monday Night
Mostly Clear then Chance Showers
Low: 48°
A 40% chance of showers and thunderstorms after 1am. Partly cloudy with a low around 48. Southeast wind 6 to 10 mph with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
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Tuesday
Chance Showers
High: 73°
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny with a high near 73. South wind around 11 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
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Tuesday Night
Mostly Clear
Low: 46°
Mostly clear with a low around 46. West northwest wind around 6 mph becoming east after midnight.
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Wednesday
Chance Showers
High: 74°
A chance of showers, mainly after 1pm. Mostly sunny with a high near 74. East southeast wind 5 to 10 mph with gusts as high as 16 mph.
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Wednesday Night
Showers Likely
Low: 51°
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy with a low around 51. East southeast wind around 9 mph.
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Thursday
Showers Likely
High: 67°
Showers likely and possibly a thunderstorm. Mostly cloudy with a high near 67. East southeast wind 9 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
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Thursday Night
Showers Likely
Low: 48°
Showers and thunderstorms likely. Mostly cloudy with a low around 48. Northeast wind 8 to 10 mph with gusts as high as 16 mph.
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Friday
Chance Showers
High: 66°
A chance of showers. Mostly cloudy with a high near 66. Northeast wind 9 to 13 mph with gusts as high as 20 mph.
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Friday Night
Slight Chance Showers
Low: 46°
A slight chance of showers. Mostly cloudy with a low around 46. Northeast wind 8 to 10 mph with gusts as high as 17 mph.
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Saturday
Slight Chance Showers
High: 67°
A slight chance of showers. Partly sunny with a high near 67. East southeast wind 8 to 13 mph with gusts as high as 20 mph.
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Source: National Weather Service
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