10-Day Weather Forecast - Dulles, VA

Patchy fog in the morning. Partly sunny. Highs in the lower 40s. Light and variable winds becoming south around 5 mph in the afternoon.

Partly cloudy. Lows in the mid 20s. Light and variable winds becoming northwest around 5 mph after midnight.

Partly sunny in the morning then becoming mostly cloudy. Highs in the lower 40s. Northeast winds around 5 mph becoming south around 5 mph in the afternoon.

Mostly cloudy. Lows in the mid 20s. Southwest winds around 5 mph becoming northwest after midnight.

Partly sunny. Highs in the mid 30s.

Partly cloudy. Lows 15 to 20.

Mostly sunny. Highs in the upper 30s.

Mostly cloudy. Lows in the upper 20s.

Mostly cloudy. Highs in the mid 40s.

Mostly cloudy with a 30 percent chance of rain. Lows in the lower 30s.

Partly sunny. Highs in the mid 40s.

Partly cloudy. Lows in the upper 20s.

Partly sunny. Highs in the lower 40s.

Clear. Low temperature around 25F. Dew point will be around 18F with an average humidity of 64%. Winds will be 7 mph from the NW.

Sunny. High temperature around 30F. Dew point will be around 11F with an average humidity of 50%. Winds will be 13 mph from the NW.

Clear. Low temperature around 21F. Dew point will be around 9F with an average humidity of 57%. Winds will be 6 mph from the NW.

Sunny. High temperature around 31F. Dew point will be around 10F with an average humidity of 49%. Winds will be 5 mph from the NW.

Clear. Low temperature around 24F. Dew point will be around 14F with an average humidity of 62%. Winds will be 3 mph from the W.