10-Day Weather Forecast - Dulles, VA

Mostly sunny in the morning then mostly cloudy with a slight chance of showers in the afternoon. Highs in the upper 60s. South winds 10 to 15 mph. Chance of rain 20 percent.

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

Mostly sunny. Highs in the lower 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 south after midnight.

Partly sunny. Highs in the mid 70s.

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

Partly sunny with a 50 percent chance of rain. Highs around 60.

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 mid 50s.

Mostly cloudy. Lows around 40.

Mostly sunny. Highs in the mid 60s.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 50F. Dew point will be around 42F with an average humidity of 62%. Winds will be 7 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 56F. Dew point will be around 38F with an average humidity of 58%. Winds will be 8 mph from the NW.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 35F. Dew point will be around 25F with an average humidity of 51%. Winds will be 9 mph from the NW.

Mostly sunny. High temperature around 51F. Dew point will be around 21F with an average humidity of 43%. Winds will be 5 mph from the NW.

Mostly clear. Low temperature around 37F. Dew point will be around 22F with an average humidity of 46%. Winds will be 1 mph from the SW.