Weather in Herndon, Virginia, United States

7-Day Detailed Weather Forecast for Herndon

This Afternoon

Temperature: 59°F

Wind Speed: 8 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 59. Northwest wind around 8 mph.

Tonight

Temperature: 35°F

Wind Speed: 3 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 35. Northwest wind around 3 mph.

Monday

Temperature: 58°F

Wind Speed: 1 to 6 mph

Wind Direction: S

Forecast: Sunny, with a high near 58. South wind 1 to 6 mph.

Monday Night

Temperature: 48°F

Wind Speed: 8 mph

Wind Direction: S

Forecast: A chance of rain showers after 1am. Mostly cloudy, with a low around 48. South wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Tuesday

Temperature: 61°F

Wind Speed: 8 to 15 mph

Wind Direction: W

Forecast: A chance of rain showers before 10am. Mostly sunny, with a high near 61. West wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

Tuesday Night

Temperature: 36°F

Wind Speed: 6 to 10 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 36.

Wednesday

Temperature: 52°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Partly sunny, with a high near 52.

Wednesday Night

Temperature: 42°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: Rain likely after 7pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

Thanksgiving Day

Temperature: 52°F

Wind Speed: 3 to 9 mph

Wind Direction: SW

Forecast: Rain. Mostly cloudy, with a high near 52. Chance of precipitation is 80%.

Thursday Night

Temperature: 35°F

Wind Speed: 9 mph

Wind Direction: NW

Forecast: Rain likely before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

Friday

Temperature: 45°F

Wind Speed: 10 to 15 mph

Wind Direction: NW

Forecast: A chance of rain and snow before 1pm. Mostly sunny, with a high near 45. Chance of precipitation is 30%.

Friday Night

Temperature: 27°F

Wind Speed: 12 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 27.

Saturday

Temperature: 38°F

Wind Speed: 10 to 14 mph

Wind Direction: W

Forecast: Sunny, with a high near 38.

Saturday Night

Temperature: 24°F

Wind Speed: 9 mph

Wind Direction: W

Forecast: Mostly cloudy, with a low around 24.