10-Day Weather Forecast - Johnstown, CO

Sunny. Highs in the mid 80s.

Mostly clear. Lows 38 to 44.

Mostly clear. Highs in the mid 80s. Lows 38 to 46.

Mostly clear. Highs in the mid 80s. Lows 38 to 46.

Mostly sunny. Highs in the upper 80s.

Partly cloudy. Lows 35 to 41.

Mostly cloudy. Much cooler. Highs in the lower to mid 60s.

Mostly cloudy with a 20 percent chance of rain. Lows in the 30s.

Partly cloudy. Highs in the lower to mid 70s.

Mostly cloudy. Lows near 40.

Partly cloudy. Highs in the upper 70s. Lows 40 to 46.

Partly cloudy. Highs in the upper 70s. Lows 40 to 46.

Partly cloudy. Highs in the mid 80s.

Mostly clear. Low temperature around 37F. Dew point will be around 28F with an average humidity of 40%. Winds will be 6 mph from the W.

Sunny. High temperature around 59F. Dew point will be around 25F with an average humidity of 38%. Winds will be 4 mph from the SE.

Clear. Low temperature around 29F. Dew point will be around 19F with an average humidity of 43%. Winds will be 4 mph from the E.

Sunny. High temperature around 62F. Dew point will be around 23F with an average humidity of 37%. Winds will be 5 mph from the SE.

Partly cloudy. Low temperature around 35F. Dew point will be around 24F with an average humidity of 43%. Winds will be 2 mph from the E.