Decatur, Iowa | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Mostly Sunny
    58°
    Forecast night icon
    Night
    Partly Cloudy
    33°
    Friday 4/19
    Day
    58°
    Mostly Sunny
    Forecast day icon
    Night
    33°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. High temperature around 58F. Dew point will be around 30F with an average humidity of 53%. Winds will be 9 mph from the W.
    Night Details
    Partly sunny then becoming partly cloudy this evening then becoming mostly clear. Widespread frost after midnight. Lows in the lower 30s. Northwest winds 10 to 15 mph.
  • Forecast day icon
    Saturday
    Sunny
    51°
    Forecast night icon
    Night
    Mostly Cloudy
    33°
    Saturday 4/20
    Day
    51°
    Sunny
    Forecast day icon
    Night
    33°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Widespread frost in the morning. Sunny. Highs in the lower 50s. Northwest winds 10 to 15 mph.
    Night Details
    Mostly cloudy in the evening then clearing. Widespread frost after midnight. Lows around 30. Northwest winds 10 to 15 mph diminishing to around 5 mph after midnight.
  • Forecast day icon
    Sunday
    Sunny
    59°
    Forecast night icon
    Night
    Mostly Clear
    37°
    Sunday 4/21
    Day
    59°
    Sunny
    Forecast day icon
    Night
    37°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Widespread frost in the morning. Sunny. Highs around 60. Northwest winds 5 to 10 mph.
    Night Details
    Mostly clear. Lows in the mid 30s. Southwest winds around 5 mph.
  • Forecast day icon
    Monday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    50% Chance Rain Showers
    51°
    Monday 4/22
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny and breezy. Highs in the upper 60s.
    Night Details
    Mostly cloudy with a chance of showers. Breezy with lows in the upper 40s. Chance of rain 50 percent.
  • Forecast day icon
    Tuesday
    50% Chance Rain Showers
    69°
    Forecast night icon
    Night
    Mostly Clear
    43°
    Tuesday 4/23
    Day
    69°
    50% Chance Rain Showers
    Forecast day icon
    Night
    43°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the morning. Highs in the upper 60s. Chance of rain 50 percent.
    Night Details
    Mostly clear. Lows in the upper 30s.
  • Forecast day icon
    Wednesday
    Sunny
    64°
    Forecast night icon
    Night
    Partly Cloudy
    43°
    Wednesday 4/24
    Day
    64°
    Sunny
    Forecast day icon
    Night
    43°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 60s.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s.
  • Forecast day icon
    Thursday
    50% Chance Rain Showers
    59°
    Forecast night icon
    Night
    70% Chance of Storms
    50°
    Thursday 4/25
    Day
    59°
    50% Chance Rain Showers
    Forecast day icon
    Night
    50°
    70% Chance of Storms
    Forecast night icon
    Day Details
    Partly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 50 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Lows in the upper 40s. Chance of rain 70 percent.
  • Forecast day icon
    Friday
    70% Chance of Storms
    66°
    Forecast night icon
    Night
    70% Chance of Rain
    53°
    Friday 4/26
    Day
    66°
    70% Chance of Storms
    Forecast day icon
    Night
    53°
    70% Chance of Rain
    Forecast night icon
    Day Details
    Showers likely with a chance of thunderstorms. Highs in the upper 60s. Chance of rain 70 percent.
    Night Details
    Cloudy with probable rain. Chance of precipitation 70%. Low temperature around 53F. Dew point will be around 51F with an average humidity of 76%. Winds will be 9 mph from the SE.
  • Forecast day icon
    Saturday
    50% Chance of Rain
    71°
    Forecast night icon
    Night
    60% Chance of Rain
    55°
    Saturday 4/27
    Day
    71°
    50% Chance of Rain
    Forecast day icon
    Night
    55°
    60% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a 50% chance for rain and thunderstorms. High temperature around 71F. Dew point will be around 56F with an average humidity of 75%. Winds will be 10 mph from the SE.
    Night Details
    Partly cloudy with a 60% chance for rain and thunderstorms. Low temperature around 55F. Dew point will be around 53F with an average humidity of 73%. Winds will be 7 mph from the S.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    70°
    Forecast night icon
    Night
    50% Chance of Rain
    52°
    Sunday 4/28
    Day
    70°
    50% Chance of Storms
    Forecast day icon
    Night
    52°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 50% chance for rain and thunderstorms. High temperature around 70F. Dew point will be around 54F with an average humidity of 72%. Winds will be 5 mph from the S.
    Night Details
    Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 52F. Dew point will be around 50F with an average humidity of 73%. Winds will be 2 mph from the SE.