10-Day Weather Forecast - New Castle, DE

Sunny. Highs in the upper 30s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Mostly clear. Cold with lows around 15. West winds 10 to 15 mph with gusts up to 25 mph.

Sunny colder with highs in the mid 20s. West winds 10 to 15 mph with gusts up to 25 mph.

Mostly clear. Cold with lows around 11. West winds around 5 mph.

Sunny. Not as cool with highs in the upper 30s. South winds 5 to 10 mph.

Mostly cloudy in the evening then becoming partly cloudy. Not as cold. Near steady temperature in the lower 30s.

Mostly sunny. Highs in the mid 40s.

Mostly clear in the evening then becoming partly cloudy. Cold with lows in the lower 20s.

Partly sunny. Cooler with highs in the lower 30s.

Mostly cloudy in the evening then becoming partly cloudy. Cold with lows 10 to 15.

Partly sunny. A chance of snow in the morning. Colder. Near steady temperature around 20. Chance of snow 30 percent.

Mostly cloudy. A chance of snow after midnight. Cold with lows around 10 above. Chance of snow 30 percent. Wind chill values as low as zero.

Partly sunny with a 40 percent chance of snow. Cold with highs around 20. Wind chill values as low as zero.

Clear with a chance of snow. Chance of precipitation 40%. Low temperature around 9F. Dew point will be around 1F with an average humidity of 63%. Winds will be 9 mph from the NW.

Mostly sunny. High temperature around 21F. Dew point will be around 3F with an average humidity of 56%. Winds will be 11 mph from the NW.

Partly cloudy. Low temperature around 9F. Dew point will be around 3F with an average humidity of 64%. Winds will be 10 mph from the NW.

Sunny. High temperature around 22F. Dew point will be around 4F with an average humidity of 56%. Winds will be 11 mph from the NW.

Clear. Low temperature around 12F. Dew point will be around 5F with an average humidity of 65%. Winds will be 7 mph from the W.