Castalia, Iowa | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Mostly Sunny
    78°
    Forecast night icon
    Night
    Clear
    58°
    Friday 5/17
    Day
    78°
    Mostly Sunny
    Forecast day icon
    Night
    58°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 70s. South winds 5 to 10 mph.
    Night Details
    Clear. Lows in the upper 50s. South winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    Mostly Sunny
    83°
    Forecast night icon
    Night
    Mostly Clear
    54°
    Saturday 5/18
    Day
    83°
    Mostly Sunny
    Forecast day icon
    Night
    54°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 80s. Southwest winds 10 to 15 mph.
    Night Details
    Mostly clear. Lows in the lower 50s. Northwest winds 5 to 10 mph.
  • Forecast day icon
    Sunday
    Mostly Sunny
    77°
    Forecast night icon
    Night
    70% Chance of Storms
    64°
    Sunday 5/19
    Day
    77°
    Mostly Sunny
    Forecast day icon
    Night
    64°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 70s. East winds 5 to 10 mph.
    Night Details
    Showers likely and a chance of thunderstorms. Lows around 60. Highs in the mid 70s. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    70% Chance of Storms
    76°
    Forecast night icon
    Night
    70% Chance of Storms
    62°
    Monday 5/20
    Day
    76°
    70% Chance of Storms
    Forecast day icon
    Night
    62°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely and a chance of thunderstorms. Lows around 60. Highs in the mid 70s. Chance of rain 70 percent.
    Night Details
    Showers likely and a chance of thunderstorms. Lows around 60. Highs in the mid 70s. Chance of rain 70 percent.
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    73°
    Forecast night icon
    Night
    70% Chance of Storms
    55°
    Tuesday 5/21
    Day
    73°
    70% Chance of Storms
    Forecast day icon
    Night
    55°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely and a chance of thunderstorms. Lows around 60. Highs in the mid 70s. Chance of rain 70 percent.
    Night Details
    Showers likely and a chance of thunderstorms. Lows in the lower 50s. Chance of rain 70 percent.
  • Forecast day icon
    Wednesday
    40% Chance Rain Showers
    67°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Wednesday 5/22
    Day
    67°
    40% Chance Rain Showers
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a 40 percent chance of showers. Highs in the mid 60s.
    Night Details
    Partly cloudy. Lows in the upper 40s. Highs around 70.
  • Forecast day icon
    Thursday
    Partly Cloudy
    68°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Thursday 5/23
    Day
    68°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Day Details
    Partly cloudy. Lows in the upper 40s. Highs around 70.
    Night Details
    Mostly clear. Low temperature around 51F. Dew point will be around 46F with an average humidity of 70%. Winds will be 5 mph from the NW.
  • Forecast day icon
    Friday
    30% Chance of Rain
    68°
    Forecast night icon
    Night
    50% Chance of Rain
    50°
    Friday 5/24
    Day
    68°
    30% Chance of Rain
    Forecast day icon
    Night
    50°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 68F. Dew point will be around 48F with an average humidity of 63%. Winds will be 4 mph from the N.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 45%. Low temperature around 50F. Dew point will be around 47F with an average humidity of 71%. Winds will be 3 mph from the NE.
  • Forecast day icon
    Saturday
    50% Chance of Rain
    65°
    Forecast night icon
    Night
    40% Chance of Rain
    51°
    Saturday 5/25
    Day
    65°
    50% Chance of Rain
    Forecast day icon
    Night
    51°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 65F. Dew point will be around 49F with an average humidity of 68%. Winds will be 3 mph from the NE.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 51F. Dew point will be around 49F with an average humidity of 76%. Winds will be 4 mph from the NE.
  • Forecast day icon
    Sunday
    40% Chance of Storms
    66°
    Forecast night icon
    Night
    40% Chance of Storms
    51°
    Sunday 5/26
    Day
    66°
    40% Chance of Storms
    Forecast day icon
    Night
    51°
    40% Chance of Storms
    Forecast night icon
    Day Details
    Cloudy with a 45% chance for rain and thunderstorms. High temperature around 66F. Dew point will be around 49F with an average humidity of 67%. Winds will be 4 mph from the NE.
    Night Details
    Cloudy with a 45% chance for rain and thunderstorms. Low temperature around 51F. Dew point will be around 48F with an average humidity of 72%. Winds will be 3 mph from the NE.