10-Day Weather Forecast - Newcastle, WY

Partly cloudy in the morning then becoming sunny. Highs in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Mostly clear. Lows in the upper 20s. Northwest winds 5 to 10 mph.

Sunny. Highs in the upper 50s. Northwest winds around 5 mph becoming southeast in the afternoon.

Mostly clear in the evening then becoming partly cloudy. Lows around 30. Southeast winds 5 to 10 mph.

Becoming partly cloudy. Highs in the upper 50s.

Partly cloudy in the evening then clearing. Lows in the upper 20s.

Partly cloudy. Highs in the upper 50s.

Partly cloudy. Lows in the lower 30s.

Mostly cloudy. Highs in the upper 50s.

Mostly cloudy with a slight chance of rain. A chance of snow after midnight. Lows in the upper 20s. Chance of precipitation 30 percent.

Cloudy with a chance of snow. A slight chance of rain in the morning then a chance of rain in the afternoon. Highs in the lower 40s. Chance of precipitation 30 percent.

A chance of rain in the evening. Mostly cloudy with a chance of snow. Lows in the lower 20s. Chance of precipitation 40 percent.

Mostly cloudy with a chance of snow. A chance of rain in the afternoon. Highs in the upper 30s. Chance of precipitation 40 percent.

Mostly cloudy. Low temperature around 23F. Dew point will be around 20F with an average humidity of 76%. Winds will be 2 mph from the NE.

Sunny. High temperature around 38F. Dew point will be around 21F with an average humidity of 59%. Winds will be 4 mph from the NW.

Clear. Low temperature around 22F. Dew point will be around 16F with an average humidity of 65%. Winds will be 3 mph from the NW.

Sunny. High temperature around 38F. Dew point will be around 17F with an average humidity of 51%. Winds will be 6 mph from the NW.

Partly cloudy. Low temperature around 23F. Dew point will be around 17F with an average humidity of 66%. Winds will be 5 mph from the NW.