Weather in Herndon, Virginia, United States

7-Day Detailed Weather Forecast for Herndon

Overnight

Temperature: 66°F

Wind Speed: 0 mph

Wind Direction:

Forecast: Mostly clear, with a low around 66. Wind around 0 mph.

Monday

Temperature: 94°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Sunny, with a high near 94. Southwest wind 0 to 10 mph, with gusts as high as 18 mph.

Monday Night

Temperature: 70°F

Wind Speed: 7 to 10 mph

Wind Direction: S

Forecast: Mostly clear, with a low around 70. South wind 7 to 10 mph, with gusts as high as 18 mph.

Tuesday

Temperature: 96°F

Wind Speed: 6 to 12 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 96. Southwest wind 6 to 12 mph, with gusts as high as 21 mph.

Tuesday Night

Temperature: 72°F

Wind Speed: 6 to 10 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 72. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

Wednesday

Temperature: 94°F

Wind Speed: 3 to 10 mph

Wind Direction: W

Forecast: Showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 80%.

Wednesday Night

Temperature: 58°F

Wind Speed: 7 to 12 mph

Wind Direction: NW

Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 80%.

Thursday

Temperature: 68°F

Wind Speed: 5 to 12 mph

Wind Direction: N

Forecast: Rain showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

Thursday Night

Temperature: 53°F

Wind Speed: 1 to 5 mph

Wind Direction: NE

Forecast: A chance of rain showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

Friday

Temperature: 65°F

Wind Speed: 5 to 9 mph

Wind Direction: E

Forecast: Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

Friday Night

Temperature: 55°F

Wind Speed: 3 to 8 mph

Wind Direction: E

Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

Saturday

Temperature: 74°F

Wind Speed: 3 to 8 mph

Wind Direction: SE

Forecast: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

Saturday Night

Temperature: 61°F

Wind Speed: 3 to 7 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

Sunday

Temperature: 78°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 78.