10-Day Weather Forecast - Portsmouth, IA
- 88|69°F30% Chance of RainHourly details
Today
88°FMostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 88F. Dew point will be around 71F with an average humidity of 67%. Winds will be 10 mph from the S.
Tonight
69°FThunderstorms likely. Showers likely. Lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.
- 82|67°F50% Chance of StormsHourly details
Day
82°FMostly cloudy with a chance of showers and thunderstorms in the morning then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. North winds around 5 mph. Chance of rain 50 percent.
Night
67°FMostly clear in the evening then becoming partly cloudy. Humid with lows in the mid 60s. Northeast winds around 5 mph.
- 82|68°F30% Chance of StormsHourly details
Day
82°FMostly cloudy with a slight chance of showers in the morning then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. East winds around 5 mph. Chance of rain 30 percent.
Night
68°FPartly cloudy. Humid with lows in the mid 60s. East winds around 5 mph.
Weekend Weather
- 84|67°FMostly SunnyHourly details
Day
84°FMostly sunny. Highs in the mid 80s.
Night
67°FMostly clear. Lows in the mid 60s.
- 86|68°FSunnyHourly details
Day
86°FSunny. Highs in the mid 80s.
Night
68°FMostly clear. Lows in the mid 60s.
- 88|70°FSunnyHourly details
Day
88°FSunny. Highs in the upper 80s.
Night
70°FMostly clear. Lows in the upper 60s.
- 89|71°FSunny
Day
89°FSunny. Highs around 90.
Night
71°FMostly clear. Lows in the upper 60s.
- 89|68°FSunny
Day
89°FSunny. Highs around 90.
Night
68°FClear. Low temperature around 68F. Dew point will be around 68F with an average humidity of 76%. Winds will be 3 mph from the SE.
- 85|67°FSunny
Day
85°FSunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 85F. Dew point will be around 67F with an average humidity of 71%. Winds will be 3 mph from the SE.
Night
67°FClear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 67F. Dew point will be around 66F with an average humidity of 74%. Winds will be 4 mph from the SE.
- 83|68°FSunny
Day
83°FSunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 83F. Dew point will be around 65F with an average humidity of 69%. Winds will be 5 mph from the SE.
Night
68°FClear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 68F. Dew point will be around 65F with an average humidity of 73%. Winds will be 5 mph from the S.













