10-Day Weather Forecast - Longmont, CO

Mostly cloudy in the morning then clearing. Highs in the mid 50s.

Mostly clear. Lows 32 to 38. West winds 10 to 15 mph after midnight.

Mostly sunny. Highs near 60. West winds 10 to 15 mph with gusts up to 25 mph.

Mostly clear. Lows in the 20s. West winds 10 to 15 mph with gusts up to 20 mph.

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

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

Mostly clear. Highs in the lower 50s. Lows 28 to 34.

Mostly clear. Highs in the lower 50s. Lows 28 to 34.

Mostly clear. Highs in the upper 50s. Lows in the mid to upper 20s.

Mostly clear. Highs in the upper 50s. Lows in the mid to upper 20s.

Mostly clear. Highs in the lower to mid 50s. Lows 26 to 32.

Mostly clear. Highs in the lower to mid 50s. Lows 26 to 32.

Partly cloudy. Highs in the upper 50s.

Partly cloudy. Low temperature around 31F. Dew point will be around 13F with an average humidity of 39%. Winds will be 5 mph from the W.

Partly cloudy. High temperature around 50F. Dew point will be around 15F with an average humidity of 31%. Winds will be 2 mph from the N.

Partly cloudy. Low temperature around 28F. Dew point will be around 18F with an average humidity of 54%. Winds will be 3 mph from the NW.

Partly cloudy. High temperature around 44F. Dew point will be around 21F with an average humidity of 49%. Winds will be 4 mph from the NW.

Mostly clear. Low temperature around 22F. Dew point will be around 18F with an average humidity of 68%. Winds will be 3 mph from the NW.