10-Day Weather Forecast - New Castle, IN

Mostly sunny. Highs in the lower 70s. Southeast winds around 5 mph through early afternoon, becoming light and variable.

Mostly clear through the late overnight, then becoming partly cloudy. Lows in the mid 40s. Light and variable winds.

Partly cloudy. Highs in the lower 70s. Light and variable winds.

Partly cloudy. Lows in the upper 40s.

Partly cloudy. Highs in the upper 60s.

Mostly cloudy. Lows in the upper 40s.

Partly cloudy. Highs in the lower 70s.

Clear. Lows around 50.

Mostly clear. Highs in the lower 70s.

Mostly clear. Lows in the upper 40s.

Partly cloudy. Highs in the lower 70s.

Clear. Low temperature around 42F. Dew point will be around 43F with an average humidity of 82%. Winds will be 5 mph from the NE.

Partly cloudy. High temperature around 68F. Dew point will be around 46F with an average humidity of 67%. Winds will be 5 mph from the SSE.

Cloudy. Low temperature around 47F. Dew point will be around 43F with an average humidity of 69%. Winds will be 6 mph from the SE.

Mostly cloudy. High temperature around 70F. Dew point will be around 47F with an average humidity of 61%. Winds will be 6 mph from the SSE.

Mostly cloudy. Low temperature around 57F. Dew point will be around 46F with an average humidity of 65%. Winds will be 11 mph from the SSE.