10-Day Weather Forecast - Johnstown, CO

Mostly cloudy with a chance of snow early in the morning then mostly cloudy with a slight chance of snow late in the morning. Mostly sunny in the afternoon. Highs in the lower 30s. North winds 15 to 25 mph with gusts up to 30 mph. Chance of snow 40 percent.

Mostly clear. Lows 8 to 14.

Mostly sunny. Highs in the lower 40s.

Mostly clear. Lows 13 to 19.

Mostly sunny. Highs in the upper 40s.

Mostly clear. Lows 17 to 23. Highs in the lower 50s.

Mostly clear. Lows 17 to 23. Highs in the lower 50s.

Partly cloudy. Lows 21 to 29.

Mostly cloudy. Highs in the mid to upper 50s. Lows 24 to 32.

Mostly cloudy. Highs in the mid to upper 50s. Lows 24 to 32.

Mostly cloudy. Highs in the mid to upper 50s. Lows 24 to 32.

Mostly cloudy. Highs in the mid to upper 50s. Lows 24 to 32.

Mostly cloudy. Highs in the mid to upper 50s. Lows 24 to 32.

Partly cloudy. Lows 26 to 32. Highs in the mid 50s.

Partly cloudy. Lows 26 to 32. Highs in the mid 50s.

Partly cloudy. Low temperature around 27F. Dew point will be around 24F with an average humidity of 72%. Winds will be 2 mph from the NW.

Partly cloudy. High temperature around 45F. Dew point will be around 26F with an average humidity of 58%. Winds will be 2 mph from the SE.

Mostly clear. Low temperature around 26F. Dew point will be around 24F with an average humidity of 73%. Winds will be 2 mph from the W.

Mostly sunny. High temperature around 45F. Dew point will be around 25F with an average humidity of 57%. Winds will be 0 mph from the NE.

Mostly clear. Low temperature around 24F. Dew point will be around 21F with an average humidity of 69%. Winds will be 3 mph from the W.