Decatur, Iowa | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Sunny
    71°
    Forecast night icon
    Night
    50% Chance of Storms
    59°
    Friday 5/3
    Day
    71°
    Sunny
    Forecast day icon
    Night
    59°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 46F with an average humidity of 73%. Winds will be 7 mph from the E.
    Night Details
    Mostly clear early then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 50s. Southeast winds 10 to 15 mph. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    Thunderstorms
    63°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Saturday 5/4
    Day
    63°
    Thunderstorms
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Showers with a chance of thunderstorms in the morning then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Southwest winds around 10 mph becoming northwest with gusts up to 25 mph in the afternoon. Chance of rain 90 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly clear. Lows in the lower 40s. North winds 10 to 15 mph.
  • Forecast day icon
    Sunday
    Partly Sunny
    67°
    Forecast night icon
    Night
    Mostly Cloudy
    55°
    Sunday 5/5
    Day
    67°
    Partly Sunny
    Forecast day icon
    Night
    55°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning then becoming partly sunny. Highs in the upper 60s. Northeast winds 5 to 10 mph becoming east in the afternoon.
    Night Details
    Mostly cloudy in the evening then clearing. Lows in the lower 50s. East winds 5 to 10 mph.
  • Forecast day icon
    Monday
    50% Chance Rain Showers
    74°
    Forecast night icon
    Night
    Thunderstorms
    59°
    Monday 5/6
    Day
    74°
    50% Chance Rain Showers
    Forecast day icon
    Night
    59°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Breezy with highs in the upper 70s. Chance of rain 50 percent.
    Night Details
    A chance of thunderstorms. Showers breezy with lows in the mid 50s. Chance of rain near 100 percent.
  • Forecast day icon
    Tuesday
    40% Chance of Storms
    75°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Tuesday 5/7
    Day
    75°
    40% Chance of Storms
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. A chance of showers and thunderstorms in the morning. Highs in the mid 70s. Chance of rain 40 percent.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Wednesday
    40% Chance Rain Showers
    75°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Wednesday 5/8
    Day
    75°
    40% Chance Rain Showers
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 40 percent.
    Night Details
    Mostly clear. Lows in the upper 40s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Thursday 5/9
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. Highs around 70.
    Night Details
    Partly cloudy. Lows in the upper 40s.
  • Forecast day icon
    Friday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    Clear
    45°
    Friday 5/10
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny. Highs in the upper 60s.
    Night Details
    Clear. Low temperature around 45F. Dew point will be around 43F with an average humidity of 72%. Winds will be 8 mph from the NW.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    65°
    Forecast night icon
    Night
    Clear
    46°
    Saturday 5/11
    Day
    65°
    30% Chance of Rain
    Forecast day icon
    Night
    46°
    Clear
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 65F. Dew point will be around 44F with an average humidity of 63%. Winds will be 9 mph from the NW.
    Night Details
    Clear. Low temperature around 46F. Dew point will be around 42F with an average humidity of 69%. Winds will be 5 mph from the NW.
  • Forecast day icon
    Sunday
    Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Sunday 5/12
    Day
    69°
    Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 45F with an average humidity of 60%. Winds will be 4 mph from the NW.
    Night Details
    Mostly clear. Low temperature around 49F. Dew point will be around 46F with an average humidity of 70%. Winds will be 2 mph from the S.