10-Day Weather Forecast - Herndon, VA

Sunny in the morning then becoming partly sunny. Highs in the upper 30s. Southwest winds 5 to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s. South winds 5 to 10 mph.

Mostly cloudy with a chance of rain and snow in the morning then partly sunny in the afternoon. Highs in the upper 40s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of precipitation 40 percent.

Mostly cloudy. Lows in the upper 20s.

Mostly cloudy. Highs in the lower 30s.

Mostly clear. Lows around 20.

Sunny. Highs in the upper 30s.

Mostly clear. Cold with lows around 10 above. Wind chill values as low as zero.

Sunny. Highs in the mid 20s. Wind chill values as low as zero.

Mostly clear. Lows 10 to 15.

Mostly sunny. Highs in the mid 30s.

Mostly clear. Low temperature around 24F. Dew point will be around 17F with an average humidity of 56%. Winds will be 9 mph from the S.

Mostly sunny. High temperature around 35F. Dew point will be around 13F with an average humidity of 48%. Winds will be 5 mph from the W.

Partly cloudy. Low temperature around 27F. Dew point will be around 17F with an average humidity of 63%. Winds will be 4 mph from the S.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. High temperature around 38F. Dew point will be around 24F with an average humidity of 65%. Winds will be 5 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 33F. Dew point will be around 27F with an average humidity of 78%. Winds will be 3 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 40F. Dew point will be around 29F with an average humidity of 71%. Winds will be 2 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 34F. Dew point will be around 28F with an average humidity of 75%. Winds will be 2 mph from the SW.