10-Day Weather Forecast - Newcastle, WY

Becoming partly cloudy. Highs in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Clear. Lows around 30. Northwest winds 10 to 15 mph.

Mostly sunny and breezy. Highs in the mid 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph increasing to 20 to 30 mph with gusts up to 40 mph in the afternoon.

Partly cloudy and windy. Lows 15 to 20. Northwest winds 25 to 40 mph with gusts up to 50 mph.

Partly cloudy and very windy. Highs around 30.

Partly cloudy and breezy. Lows 15 to 20.

Partly cloudy in the morning then clearing. Highs around 40.

Mostly clear. Lows in the lower 20s.

Mostly sunny and breezy. Highs in the mid 40s.

Mostly clear. Lows 15 to 20.

Mostly sunny. Highs around 40.

Mostly clear in the evening then becoming partly cloudy. Lows 15 to 20.

Partly cloudy. Highs in the mid 40s.

Partly cloudy. Low temperature around 24F. Dew point will be around 13F with an average humidity of 53%. Winds will be 2 mph from the N.

Partly cloudy. High temperature around 34F. Dew point will be around 13F with an average humidity of 46%. Winds will be 1 mph from the S.

Mostly cloudy. Low temperature around 21F. Dew point will be around 14F with an average humidity of 63%. Winds will be 2 mph from the E.

Cloudy. High temperature around 28F. Dew point will be around 13F with an average humidity of 59%. Winds will be 2 mph from the N.

Cloudy with a slight chance of snow. Chance of precipitation 30%. Low temperature around 13F. Dew point will be around 11F with an average humidity of 76%. Winds will be 2 mph from the NW.