Decatur, Iowa | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Sunday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Sunday 5/5
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 60s. Northeast winds 5 to 10 mph becoming east this afternoon.
    Night Details
    Partly cloudy. Lows around 50. Southeast winds 5 to 10 mph.
  • Forecast day icon
    Monday
    Partly Sunny
    73°
    Forecast night icon
    Night
    Thunderstorms
    60°
    Monday 5/6
    Day
    73°
    Partly Sunny
    Forecast day icon
    Night
    60°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then becoming mostly cloudy. Highs in the mid 70s. Southeast winds 15 to 20 mph.
    Night Details
    A chance of thunderstorms. Showers mainly in the evening. Locally heavy rainfall possible in the evening. Lows in the mid 50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.
  • Forecast day icon
    Tuesday
    30% Chance of Storms
    73°
    Forecast night icon
    Night
    30% Chance Rain Showers
    55°
    Tuesday 5/7
    Day
    73°
    30% Chance of Storms
    Forecast day icon
    Night
    55°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers and thunderstorms in the morning then sunny in the afternoon. Highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.
    Night Details
    Mostly clear in the evening then partly cloudy with a chance of showers after midnight. Lows in the lower 50s. Chance of rain 30 percent.
  • Forecast day icon
    Wednesday
    50% Chance Rain Showers
    72°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Wednesday 5/8
    Day
    72°
    50% Chance Rain Showers
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 50 percent.
    Night Details
    Mostly clear. Lows in the upper 40s.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    65°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Thursday 5/9
    Day
    65°
    30% Chance Rain Showers
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent.
    Night Details
    Partly cloudy. Lows in the mid 40s.
  • Forecast day icon
    Friday
    30% Chance Rain Showers
    60°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Friday 5/10
    Day
    60°
    30% Chance Rain Showers
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 30 percent.
    Night Details
    Mostly clear. Lows in the mid 40s.
  • Forecast day icon
    Saturday
    Sunny
    64°
    Forecast night icon
    Night
    Clear
    49°
    Saturday 5/11
    Day
    64°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Sunny. Highs around 70.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 40F with an average humidity of 63%. Winds will be 7 mph from the NW.
  • Forecast day icon
    Sunday
    Sunny
    70°
    Forecast night icon
    Night
    Clear
    51°
    Sunday 5/12
    Day
    70°
    Sunny
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 45F with an average humidity of 56%. Winds will be 5 mph from the W.
    Night Details
    Clear. Low temperature around 51F. Dew point will be around 47F with an average humidity of 69%. Winds will be 4 mph from the W.
  • Forecast day icon
    Monday
    Sunny
    71°
    Forecast night icon
    Night
    Clear
    54°
    Monday 5/13
    Day
    71°
    Sunny
    Forecast day icon
    Night
    54°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 50F with an average humidity of 62%. Winds will be 3 mph from the S.
    Night Details
    Clear. Low temperature around 54F. Dew point will be around 51F with an average humidity of 74%. Winds will be 3 mph from the S.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    72°
    Forecast night icon
    Night
    40% Chance of Rain
    57°
    Tuesday 5/14
    Day
    72°
    30% Chance of Rain
    Forecast day icon
    Night
    57°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 72F. Dew point will be around 53F with an average humidity of 67%. Winds will be 6 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 57F. Dew point will be around 54F with an average humidity of 77%. Winds will be 5 mph from the S.