10-Day Weather Forecast - Castalia, OH

Partly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs in the mid 70s. Northeast winds 10 to 15 mph. Chance of rain 20 percent.

Mostly clear. Lows in the upper 50s. East winds 10 to 15 mph.

Mostly sunny. Highs in the upper 70s. East winds 5 to 10 mph.

Mostly clear in the evening, then becoming partly cloudy. Lows around 60.

Partly cloudy. Highs in the lower 80s.

Mostly cloudy. Not as cool with lows around 70.

Partly cloudy. Highs in the upper 80s.

Partly cloudy. Lows in the upper 60s.

Partly sunny. Highs in the upper 70s.

Partly cloudy. Lows around 60.

Partly cloudy in the morning, then clearing. Highs in the upper 70s.

Clear. Low temperature around 56F. Dew point will be around 56F with an average humidity of 83%. Winds will be 3 mph from the S.

Sunny. High temperature around 73F. Dew point will be around 57F with an average humidity of 73%. Winds will be 1 mph from the S.

Clear. Low temperature around 59F. Dew point will be around 57F with an average humidity of 82%. Winds will be 4 mph from the S.

Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 77F. Dew point will be around 60F with an average humidity of 72%. Winds will be 5 mph from the S.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 63F. Dew point will be around 61F with an average humidity of 81%. Winds will be 5 mph from the S.

Sunny with widely scattered thunderstorms. Chance of storms 30%. High temperature around 78F. Dew point will be around 63F with an average humidity of 72%. Winds will be 5 mph from the SW.

Clear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 64F. Dew point will be around 62F with an average humidity of 82%. Winds will be 4 mph from the S.