• Partly sunny 85°
    Lawn Mowing Current Weather
    • Yesterday
      Precip
      0.48 in
    • UV
      3 - Very High
    • RealFeel
      94°
  • Today

    Jul 11

    Hi 83°

    A thunderstorm in spots

    Poor for lawn mowing
    • Hours of Precip
      0.5
    • Precip
      40%
    • Hi
      RealFeel
      90°
    Day Details >
  • Tomorrow

    Jul 12

    Hi 87°

    Partly sunny

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      91°
    Day Details >
  • Sunday

    Jul 13

    Hi 90°

    A stray afternoon t-storm

    Good for lawn mowing
    • Hours of Precip
      5
    • Precip
      46%
    • Hi
      RealFeel
      93°
    Day Details >
Next

Thunderstorms, some heavy, Tuesday; storms can be severe

7/11 7/12 Now: 4:53pm
PM 4-8
  • 4pm Partly sunny w/ t-storms 83° 51%
  • 5pm Partly sunny 82° 18%
  • 6pm Partly sunny 81° 14%
  • 7pm Partly sunny 79° 16%
  • 8pm Mostly sunny 77° 20%
AM 3-8
  • 3am Mostly clear 67° 2%
  • 4am Mostly clear 67° 2%
  • 5am Mostly clear 67° 2%
  • 6am Mostly sunny 65° 2%
  • 7am Mostly sunny 68° 4%
  • 8am Mostly sunny 71° 7%
AM 9-2
  • 9am Mostly sunny 74° 7%
  • 10am Mostly sunny 77° 7%
  • 11am Mostly sunny 80° 7%
  • 12pm Mostly sunny 82° 7%
  • 1pm Mostly sunny 83° 7%
  • 2pm Mostly sunny 84° 7%
Hourly Forecast >

Herndon

Storms Slam Northeast with Rain, Flooding

Jul 11, 2014; 3:50 PM ET Severe storms slammed the Northeast with rain and flooding causing widespread damage. Continued storm activity will bring hail, damaging winds and possible flooding to the area early next week.

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Top Story

Herndon Weather Report

DC: Severe Storm, Flooding Threat to Precede Cooldown

July 11, 2014; 1:03 PM ET

After only spotty rainfall this weekend in the Washington, D.C., area, the risk of severe thunderstorms and flash flooding will ramp up quickly early next week. more >

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Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

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