10-Day Weather Forecast - Herndon, VA

Sunny in the morning then becoming partly sunny. Highs in the upper 60s. South winds 10 to 15 mph.

Mostly cloudy with showers likely in the evening then partly cloudy with a chance of showers after midnight. Lows in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph becoming west 5 to 10 mph after midnight. Chance of rain 60 percent.

Mostly sunny. Highs in the mid 60s. North winds 5 to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. East winds around 5 mph becoming southeast after midnight.

Partly sunny. Highs in the mid 70s.

Mostly cloudy with a 50 percent chance of rain. Lows in the mid 50s.

Partly sunny with a 50 percent chance of rain. Highs in the lower 60s.

Mostly clear. Cooler with lows in the lower 30s.

Sunny. Highs in the lower 50s.

Mostly cloudy. Lows in the upper 30s.

Mostly cloudy. Highs in the upper 50s.

Mostly cloudy. Lows in the lower 40s.

Mostly sunny. Highs in the mid 60s.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 52F. Dew point will be around 42F with an average humidity of 58%. Winds will be 8 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 58F. Dew point will be around 38F with an average humidity of 54%. Winds will be 9 mph from the NW.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 37F. Dew point will be around 25F with an average humidity of 46%. Winds will be 8 mph from the NW.

Mostly sunny. High temperature around 53F. Dew point will be around 21F with an average humidity of 40%. Winds will be 6 mph from the NW.

Mostly clear. Low temperature around 40F. Dew point will be around 22F with an average humidity of 42%. Winds will be 3 mph from the SW.