10-Day Weather Forecast - Thornton, CO

Mostly cloudy in the morning then becoming partly cloudy. Highs near 40.

Mostly clear in the evening then becoming mostly cloudy. Lows in the lower to mid 20s. Southwest winds 10 to 15 mph with gusts up to 20 mph after midnight.

Partly cloudy with a slight chance of rain and snow showers. Highs in the mid 40s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent.

Mostly clear. Lows in the lower to mid 20s.

Mostly sunny. Highs in the lower 40s.

Partly cloudy. Lows in the mid 20s. Highs in the upper 40s.

Partly cloudy. Lows in the mid 20s. Highs in the upper 40s.

Mostly clear. Lows in the upper 20s.

Mostly cloudy. Highs in the lower 50s.

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

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

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

Partly cloudy with a slight chance of rain and snow showers. Highs in the lower 50s. Chance of precipitation 20 percent.

Clear. Low temperature around 32F. Dew point will be around 22F with an average humidity of 54%. Winds will be 2 mph from the SW.

Sunny. High temperature around 45F. Dew point will be around 21F with an average humidity of 44%. Winds will be 2 mph from the SE.

Mostly clear. Low temperature around 33F. Dew point will be around 19F with an average humidity of 47%. Winds will be 2 mph from the SW.

Sunny. High temperature around 48F. Dew point will be around 19F with an average humidity of 36%. Winds will be 2 mph from the SW.

Clear. Low temperature around 34F. Dew point will be around 17F with an average humidity of 42%. Winds will be 3 mph from the W.