10-Day Weather Forecast - Longmont, CO

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid to upper 60s. West winds 20 to 25 mph with gusts up to 35 mph in the afternoon.

Mostly clear. Lows near 40. West winds 10 to 20 mph with gusts up to 35 mph.

Partly cloudy. Highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Partly cloudy. Lows in the 30s.

Partly cloudy with a 10 percent chance of rain. Highs in the mid to upper 50s.

Mostly cloudy with a chance of rain and snow. Colder. Lows 18 to 22. Chance of precipitation 50 percent.

Partly cloudy with a 40 percent chance of snow. Much colder. Highs in the mid 30s.

Mostly clear. Lows 13 to 19. Highs in the lower to mid 40s.

Mostly clear. Lows 13 to 19. Highs in the lower to mid 40s.

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

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

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

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

Mostly clear. Low temperature around 34F. Dew point will be around 21F with an average humidity of 51%. Winds will be 4 mph from the W.

Partly cloudy. High temperature around 56F. Dew point will be around 21F with an average humidity of 34%. Winds will be 3 mph from the W.

Partly cloudy. Low temperature around 35F. Dew point will be around 25F with an average humidity of 58%. Winds will be 3 mph from the W.

Cloudy. High temperature around 53F. Dew point will be around 27F with an average humidity of 43%. Winds will be 2 mph from the W.

Partly cloudy. Low temperature around 30F. Dew point will be around 24F with an average humidity of 63%. Winds will be 1 mph from the W.

Sunny. High temperature around 45F. Dew point will be around 22F with an average humidity of 47%. Winds will be 1 mph from the SW.

Clear. Low temperature around 26F. Dew point will be around 19F with an average humidity of 65%. Winds will be 1 mph from the E.