Portsmouth, Iowa | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    39°
    Tuesday 4/23
    Forecast night icon
    39°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Lows in the mid 30s. North winds 10 to 15 mph.
  • Forecast day icon
    Wednesday
    Sunny
    67°
    Forecast night icon
    Night
    Mostly Cloudy
    50°
    Wednesday 4/24
    Day
    67°
    Sunny
    Forecast day icon
    Night
    50°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Areas of frost in the morning. Sunny. Highs in the mid 60s. East winds around 5 mph.
    Night Details
    Mostly cloudy. Not as cool with lows in the mid 40s. Southeast winds around 10 mph.
  • Forecast day icon
    Thursday
    40% Chance Rain Showers
    66°
    Forecast night icon
    Night
    Thunderstorms
    54°
    Thursday 4/25
    Day
    66°
    40% Chance Rain Showers
    Forecast day icon
    Night
    54°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then mostly cloudy with a chance of showers in the afternoon. Breezy with highs in the upper 60s. Southeast winds 15 to 25 mph. Chance of rain 40 percent.
    Night Details
    A chance of thunderstorms. Showers breezy with lows in the lower 50s. Southeast winds 20 to 25 mph with gusts up to 45 mph. Chance of rain near 100 percent.
  • Forecast day icon
    Friday
    Thunderstorms
    69°
    Forecast night icon
    Night
    60% Chance of Storms
    55°
    Friday 4/26
    Day
    69°
    Thunderstorms
    Forecast day icon
    Night
    55°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers with a chance of thunderstorms. Windy with highs in the lower 70s. Chance of rain near 100 percent.
    Night Details
    Showers likely with a chance of thunderstorms in the evening then partly cloudy after midnight. Breezy with lows in the lower 50s. Chance of rain 60 percent.
  • Forecast day icon
    Saturday
    30% Chance Rain Showers
    72°
    Forecast night icon
    Night
    80% Chance of Storms
    55°
    Saturday 4/27
    Day
    72°
    30% Chance Rain Showers
    Forecast day icon
    Night
    55°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30 percent.
    Night Details
    A chance of thunderstorms. Showers. Lows around 50. Chance of rain 80 percent.
  • Forecast day icon
    Sunday
    70% Chance of Storms
    63°
    Forecast night icon
    Night
    50% Chance Rain Showers
    43°
    Sunday 4/28
    Day
    63°
    70% Chance of Storms
    Forecast day icon
    Night
    43°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Becoming partly sunny in the afternoon. A chance of thunderstorms. Showers likely mainly in the morning. Highs in the mid 60s. Chance of rain 70 percent.
    Night Details
    A chance of showers in the evening. Mostly cloudy. Cooler with lows around 40. Chance of rain 50 percent.
  • Forecast day icon
    Monday
    Partly Sunny
    62°
    Forecast night icon
    Night
    Mostly Clear
    45°
    Monday 4/29
    Day
    62°
    Partly Sunny
    Forecast day icon
    Night
    45°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs around 60.
    Night Details
    Mostly clear. Lows around 40. Highs in the lower 70s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    76°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Tuesday 4/30
    Day
    76°
    Mostly Sunny
    Forecast day icon
    Night
    56°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly clear. Lows around 40. Highs in the lower 70s.
    Night Details
    Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 56F. Dew point will be around 52F with an average humidity of 67%. Winds will be 10 mph from the S.
  • Forecast day icon
    Wednesday
    40% Chance of Rain
    74°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Wednesday 5/1
    Day
    74°
    40% Chance of Rain
    Forecast day icon
    Night
    56°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 40% chance for rain and thunderstorms. High temperature around 74F. Dew point will be around 55F with an average humidity of 66%. Winds will be 11 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 56F. Dew point will be around 53F with an average humidity of 69%. Winds will be 8 mph from the S.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    72°
    Forecast night icon
    Night
    40% Chance of Rain
    53°
    Thursday 5/2
    Day
    72°
    40% Chance of Rain
    Forecast day icon
    Night
    53°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a 40% chance for rain and thunderstorms. High temperature around 72F. Dew point will be around 53F with an average humidity of 65%. Winds will be 6 mph from the S.
    Night Details
    Partly cloudy with a 40% chance for rain and thunderstorms. Low temperature around 53F. Dew point will be around 51F with an average humidity of 71%. Winds will be 3 mph from the S.