10-Day Weather Forecast - Johnstown, CO

Mostly sunny. Highs in the upper 60s. Southwest winds 10 to 15 mph in the afternoon.

Mostly cloudy. Lows in the lower to mid 30s. East winds 10 to 15 mph after midnight.

Mostly cloudy. Highs in the lower 60s.

Mostly cloudy. Lows in the lower to mid 30s. East winds 10 to 15 mph with gusts up to 20 mph.

Mostly cloudy. Highs in the upper 60s.

Mostly cloudy with a 40 percent chance of rain. Lows in the lower to mid 30s.

Mostly cloudy with a 50 percent chance of rain. Highs in the mid 50s.

Rain likely. Lows near 30. Chance of rain 60 percent.

Mostly cloudy with a 20 percent chance of rain. Highs in the lower 60s.

Mostly clear. Lows near 30.

Mostly cloudy with a 20 percent chance of rain. Highs in the mid 60s.

Mostly cloudy with a chance of rain and snow. Lows in the mid 20s to lower 30s. Chance of precipitation 50 percent.

Mostly cloudy with a chance of rain and snow. Highs in the lower 50s. Chance of precipitation 30 percent.

Mostly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 32F. Dew point will be around 24F with an average humidity of 59%. Winds will be 3 mph from the N.

Sunny. High temperature around 55F. Dew point will be around 25F with an average humidity of 40%. Winds will be 2 mph from the SE.

Clear. Low temperature around 33F. Dew point will be around 22F with an average humidity of 49%. Winds will be 2 mph from the W.

Partly cloudy. High temperature around 57F. Dew point will be around 25F with an average humidity of 36%. Winds will be 2 mph from the NW.

Partly cloudy. Low temperature around 33F. Dew point will be around 23F with an average humidity of 51%. Winds will be 3 mph from the NW.