10-Day Weather Forecast - Castalia, IA

Mostly sunny. A chance of sprinkles in the afternoon. Highs in the mid 50s. Northwest winds 10 to 15 mph.

Partly cloudy. A chance of sprinkles in the evening. Lows in the upper 30s. Northwest winds 5 to 10 mph.

Areas of frost in the morning. Mostly sunny. Highs in the lower 50s. Northwest winds 10 to 15 mph.

Partly cloudy. Areas of frost. Lows in the lower 30s.

Partly cloudy. Highs in the lower 50s. Lows in the lower 30s.

Partly cloudy. Highs in the lower 50s. Lows in the lower 30s.

Partly cloudy. Highs in the upper 50s. Lows in the upper 30s.

Partly cloudy. Highs in the upper 50s. Lows in the upper 30s.

Partly cloudy. Highs in the mid 60s. Lows in the lower 40s.

Partly cloudy. Highs in the mid 60s. Lows in the lower 40s.

Partly cloudy. Highs in the mid 60s. Lows in the lower 40s.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 45F. Dew point will be around 42F with an average humidity of 67%. Winds will be 6 mph from the SW.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 64F. Dew point will be around 42F with an average humidity of 60%. Winds will be 7 mph from the W.

Partly cloudy. Low temperature around 44F. Dew point will be around 41F with an average humidity of 69%. Winds will be 5 mph from the W.

Mostly sunny. High temperature around 63F. Dew point will be around 40F with an average humidity of 59%. Winds will be 7 mph from the W.

Partly cloudy. Low temperature around 44F. Dew point will be around 40F with an average humidity of 68%. Winds will be 3 mph from the NW.

Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 60F. Dew point will be around 40F with an average humidity of 62%. Winds will be 6 mph from the NW.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 44F. Dew point will be around 40F with an average humidity of 68%. Winds will be 3 mph from the NW.