Find the Best Places in the United States

Compare Cost of Living, Education, Income, Population, and More.

Current Weather Conditions for Portsmouth, IA

A chance of showers and thunderstorms. Partly sunny. High near 87, with temperatures falling to around 85 in the afternoon. South southwest wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
86°F

Conditions

Wind: 12 mph SSW
Humidity: 66%
Probability of Precipitation: 26%

Hourly Forcast (next 12 hours)

9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM 9 AM
86° 85° 85° 84° 83° 78° 77° 76° 75° 74° 73° 73° 71°

Upcoming Week

Day Forecast High Low
This Afternoon
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 87, with temperatures falling to around 85 in the afternoon. South southwest wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
86°F 71°F
Tonight
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely between 1am and 4am, then a chance of showers and thunderstorms. Partly cloudy. Low around 69, with temperatures rising to around 71 overnight. South southeast wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
86°F 71°F
Friday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5pm. Mostly sunny, with a high near 88. South southwest wind 8 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
86°F 71°F
Friday Night
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms between 7pm and 11pm, then showers and thunderstorms between 11pm and 2am, then a slight chance of showers and thunderstorms between 2am and 3am, then a chance of showers and thunderstorms between 3am and 5am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 69. South southeast wind 6 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
86°F 71°F
Independence Day
Partly Sunny
Partly sunny, with a high near 86. West southwest wind around 7 mph. New rainfall amounts between a tenth and quarter of an inch possible.
86°F 71°F
Saturday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Northeast wind 2 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
86°F 71°F
Sunday
Chance Rain Showers then Mostly Sunny
A chance of rain showers before 7am. Mostly sunny, with a high near 86. North northeast wind around 6 mph.
86°F 71°F
Sunday Night
Mostly Clear
Mostly clear, with a low around 64. East northeast wind around 5 mph.
86°F 71°F
Monday
Mostly Sunny
Mostly sunny, with a high near 86. East wind 2 to 6 mph.
86°F 71°F
Monday Night
Partly Cloudy
Partly cloudy, with a low around 65. East southeast wind 2 to 6 mph.
86°F 71°F
Tuesday
Mostly Sunny
Mostly sunny, with a high near 87. Southeast wind 3 to 7 mph.
86°F 71°F
Tuesday Night
Mostly Clear then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66. Southeast wind 2 to 6 mph.
86°F 71°F
Wednesday
Slight Chance Showers And Thunderstorms then Mostly Sunny
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 88. South southeast wind 3 to 7 mph.
86°F 71°F
Wednesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 68. South southeast wind 3 to 7 mph.
86°F 71°F
Data provided by weather.gov