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Portsmouth, IA
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7-Day Forecast
Today
Showers Likely
High: 62°
Showers likely with thunderstorms also possible after 4pm. Cloudy with a high near 62. East southeast wind 9 to 14 mph with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
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Tonight
Showers then Chance Showers
Low: 34°
Showers and thunderstorms before 3am, then a chance of showers. Low around 34. East wind 11 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
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Sunday
Chance Wintry Mix and Breezy
High: 42°
A chance of rain showers and sleet before 1pm, then a slight chance of rain showers, snow showers, and sleet between 1pm and 4pm, then a slight chance of rain and snow showers after 4pm. Cloudy with a high near 42. Breezy with a north northwest wind 15 to 21 mph with gusts as high as 29 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
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Sunday Night
Cloudy and Blustery then Mostly Cloudy
Low: 28°
Mostly cloudy with a low around 28. Blustery with a north northwest wind 14 to 20 mph with gusts as high as 28 mph.
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Monday
Mostly Sunny
High: 48°
Mostly sunny with a high near 48. North wind 8 to 10 mph with gusts as high as 18 mph.
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Monday Night
Partly Cloudy
Low: 33°
Partly cloudy with a low around 33. East southeast wind 5 to 10 mph with gusts as high as 17 mph.
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Tuesday
Chance Rain/Snow and Breezy
High: 56°
A chance of rain and snow showers before 1pm, then a chance of rain showers. Mostly cloudy with a high near 56. Breezy with a southeast wind 13 to 23 mph with gusts as high as 33 mph. Chance of precipitation is 50%.
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Tuesday Night
Showers and Breezy
Low: 42°
Showers. Mostly cloudy with a low around 42. Breezy with a southeast wind 15 to 21 mph with gusts as high as 30 mph.
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Wednesday
Chance Showers and Breezy
High: 60°
A chance of showers and thunderstorms. Partly sunny with a high near 60. Breezy with a south wind 13 to 20 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
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Wednesday Night
Slight Chance Showers
Low: 33°
A slight chance of showers before 1am. Mostly cloudy with a low around 33. West wind 8 to 15 mph with gusts as high as 23 mph.
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Thursday
Partly Sunny
High: 56°
Partly sunny with a high near 56. Northwest wind 7 to 11 mph with gusts as high as 18 mph.
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Thursday Night
Slight Chance Showers
Low: 34°
A slight chance of showers. Partly cloudy with a low around 34. North wind 7 to 9 mph becoming east after midnight.
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Friday
Mostly Sunny then Slight Chance Showers
High: 61°
A slight chance of showers. Mostly sunny with a high near 61. East wind 7 to 14 mph with gusts as high as 20 mph.
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Source: National Weather Service
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