Weather in Herndon, Virginia, United States

7-Day Detailed Weather Forecast for Herndon

This Afternoon

Temperature: 77°F

Wind Speed: 8 mph

Wind Direction: NE

Forecast: Sunny, with a high near 77. Northeast wind around 8 mph.

Tonight

Temperature: 57°F

Wind Speed: 5 to 8 mph

Wind Direction: NE

Forecast: A slight chance of rain showers after 4am. Mostly cloudy, with a low around 57. Northeast wind 5 to 8 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday

Temperature: 72°F

Wind Speed: 7 mph

Wind Direction: N

Forecast: A slight chance of rain showers before noon. Mostly cloudy, with a high near 72. North wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday Night

Temperature: 57°F

Wind Speed: 2 to 6 mph

Wind Direction: N

Forecast: Partly cloudy, with a low around 57. North wind 2 to 6 mph.

Thursday

Temperature: 80°F

Wind Speed: 6 mph

Wind Direction: N

Forecast: Mostly sunny, with a high near 80. North wind around 6 mph.

Thursday Night

Temperature: 57°F

Wind Speed: 2 to 6 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 57.

Friday

Temperature: 81°F

Wind Speed: 6 mph

Wind Direction: NE

Forecast: Mostly sunny, with a high near 81.

Friday Night

Temperature: 58°F

Wind Speed: 2 to 6 mph

Wind Direction: SE

Forecast: Partly cloudy, with a low around 58.

Saturday

Temperature: 81°F

Wind Speed: 2 to 6 mph

Wind Direction: E

Forecast: Mostly sunny, with a high near 81.

Saturday Night

Temperature: 59°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 59.

Sunday

Temperature: 84°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 84.

Sunday Night

Temperature: 61°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 61.

Monday

Temperature: 81°F

Wind Speed: 3 to 7 mph

Wind Direction: N

Forecast: Sunny, with a high near 81.

Monday Night

Temperature: 59°F

Wind Speed: 6 mph

Wind Direction: NE

Forecast: Mostly clear, with a low around 59.