10-Day Weather Forecast - Newcastle, WY

Mostly sunny. Not as cool with highs in the upper 40s. East winds 5 to 10 mph.

Clear. Lows in the lower 20s. North winds 5 to 10 mph.

Mostly sunny. Highs in the lower 50s. Northwest winds around 5 mph becoming southeast in the afternoon.

Partly cloudy. Lows in the upper 20s. Northwest winds 5 to 10 mph.

Partly cloudy. Highs around 50. Northwest winds 5 to 10 mph.

Partly cloudy. Lows in the upper 20s.

Partly cloudy. A chance of rain in the afternoon. Breezy with highs in the mid 50s. Chance of rain 50 percent.

Partly cloudy. A chance of snow and rain in the evening. Breezy with lows around 20. Chance of precipitation 40 percent.

Partly cloudy. Cooler with highs in the mid 30s.

Mostly cloudy. Lows in the lower 20s. Temperature rising into the lower 30s after midnight.

Becoming partly cloudy. Not as cool with highs in the mid 50s.

Becoming partly cloudy. A slight chance of rain. A slight chance of snow in the evening then a chance of snow after midnight. Lows in the upper 20s. Chance of precipitation 30 percent.

Partly cloudy with a 20 percent chance of snow. Highs in the lower 40s.

Partly cloudy. Low temperature around 24F. Dew point will be around 21F with an average humidity of 69%. Winds will be 6 mph from the SE.

Partly cloudy. High temperature around 40F. Dew point will be around 21F with an average humidity of 61%. Winds will be 4 mph from the S.

Cloudy. Low temperature around 32F. Dew point will be around 27F with an average humidity of 75%. Winds will be 3 mph from the S.

Mostly cloudy. High temperature around 42F. Dew point will be around 29F with an average humidity of 64%. Winds will be 5 mph from the W.

Partly cloudy. Low temperature around 29F. Dew point will be around 26F with an average humidity of 73%. Winds will be 2 mph from the W.

Partly cloudy. High temperature around 37F. Dew point will be around 23F with an average humidity of 62%. Winds will be 2 mph from the NW.

Partly cloudy. Low temperature around 26F. Dew point will be around 22F with an average humidity of 74%. Winds will be 1 mph from the NW.