10-Day Weather Forecast - Thornton, CO

Mostly sunny. Highs in the lower to mid 80s.

Mostly clear. Lows in the mid to upper 40s. West winds 10 to 15 mph with gusts up to 20 mph in the evening becoming light.

Mostly sunny. Highs in the mid 80s.

Mostly clear. Lows in the upper 40s.

Mostly sunny. Highs in the upper 80s.

Partly cloudy. Lows in the lower to mid 40s.

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

Mostly cloudy with a 20 percent chance of rain. Lows near 40.

Partly cloudy. Highs in the mid 70s.

Mostly cloudy. Lows in the mid to upper 40s.

Partly cloudy. Highs near 80. Lows in the upper 40s.

Partly cloudy. Highs near 80. Lows in the upper 40s.

Partly cloudy. Highs in the mid 80s.

Mostly clear. Low temperature around 47F. Dew point will be around 26F with an average humidity of 30%. Winds will be 3 mph from the W.

Sunny. High temperature around 60F. Dew point will be around 23F with an average humidity of 29%. Winds will be 3 mph from the E.

Clear. Low temperature around 39F. Dew point will be around 19F with an average humidity of 32%. Winds will be 3 mph from the E.

Sunny. High temperature around 65F. Dew point will be around 21F with an average humidity of 27%. Winds will be 3 mph from the SE.

Partly cloudy. Low temperature around 45F. Dew point will be around 23F with an average humidity of 32%. Winds will be 2 mph from the S.