10-Day Weather Forecast - Dulles, VA

Mostly sunny. Cooler with highs in the lower 30s. West winds 15 to 20 mph with gusts up to 30 mph.

Partly cloudy in the evening then becoming mostly clear. Lows around 20. West winds 10 to 15 mph with gusts up to 35 mph.

Mostly sunny in the morning then becoming mostly cloudy. Highs in the upper 30s. Southwest winds 5 to 10 mph.

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

Partly sunny with a chance of snow and rain. Highs in the mid 40s. Chance of precipitation 40 percent.

Mostly cloudy. Lows in the mid 20s.

Mostly cloudy. Highs in the lower 30s.

Mostly clear. Lows 15 to 20.

Sunny. Highs in the mid 30s.

Partly cloudy. Lows 10 to 15.

Sunny. Highs in the mid 20s.

Mostly clear. Cold with lows around 10 above.

Mostly sunny. Highs in the lower 30s.

Clear. Low temperature around 18F. Dew point will be around 6F with an average humidity of 55%. Winds will be 2 mph from the S.

Mostly cloudy. High temperature around 32F. Dew point will be around 10F with an average humidity of 46%. Winds will be 3 mph from the S.

Partly cloudy. Low temperature around 25F. Dew point will be around 15F with an average humidity of 64%. Winds will be 4 mph from the SE.

Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. High temperature around 34F. Dew point will be around 21F with an average humidity of 64%. Winds will be 3 mph from the SE.

Cloudy with a chance of snow. Chance of precipitation 35%. Low temperature around 29F. Dew point will be around 25F with an average humidity of 80%. Winds will be 4 mph from the SE.