10-Day Weather Forecast - Newcastle, WY

Mostly sunny in the morning. Highs in the upper 40s. Northwest winds around 5 mph becoming southeast in the afternoon.

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

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

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 20s. Northwest winds 5 to 10 mph becoming south with gusts up to 20 mph after midnight.

Partly cloudy. A chance of rain in the afternoon. Breezy with highs in the upper 50s. Chance of rain 40 percent.

Partly cloudy. A chance of snow and rain in the evening. Breezy with lows 15 to 20. Chance of precipitation 50 percent.

Partly cloudy. Much 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.

Mostly cloudy. A slight chance of rain in the evening then a chance of rain and snow after midnight. Lows in the upper 20s. Chance of precipitation 40 percent.

Becoming partly cloudy. A 20 percent chance of snow. Highs in the lower 40s.

Partly cloudy. Lows around 20.

Partly cloudy. Highs in the lower 40s.

Cloudy. Low temperature around 29F. Dew point will be around 24F with an average humidity of 73%. Winds will be 5 mph from the SE.

Cloudy. High temperature around 39F. Dew point will be around 28F with an average humidity of 70%. Winds will be 3 mph from the W.

Partly cloudy. Low temperature around 25F. Dew point will be around 24F with an average humidity of 78%. Winds will be 2 mph from the NW.

Partly cloudy. High temperature around 37F. Dew point will be around 23F with an average humidity of 63%. Winds will be 3 mph from the SW.

Partly cloudy. Low temperature around 27F. Dew point will be around 21F with an average humidity of 68%. Winds will be 4 mph from the SE.