• Partly cloudy 76°
    Lawn Mowing Current Weather
    • Yesterday
      Precip
      0 in
    • UV
      0 - Moderate
    • RealFeel
      79°
  • Tonight

    Jul 22

    Lo 70°

    Partly cloudy, warm and humid

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      91°
    Day Details >
  • Tomorrow

    Jul 23

    Hi 92°

    A thunderstorm in spots

    Good for lawn mowing
    • Hours of Precip
      2.5
    • Precip
      40%
    • Hi
      RealFeel
      98°
    Day Details >
  • Thursday

    Jul 24

    Hi 79°

    A couple of t-storms; cooler

    Fair for lawn mowing
    • Hours of Precip
      2
    • Precip
      60%
    • Hi
      RealFeel
      81°
    Day Details >
Next

Thunderstorms in the area tomorrow evening through Thursday afternoon

7/22 7/23 Now: 10:08pm
PM 10-2
  • 10pm Mostly clear 76° 7%
  • 11pm Mostly clear 75° 7%
  • 12am Mostly clear 74° 7%
  • 1am Partly cloudy 74° 7%
  • 2am Partly cloudy 72° 7%
AM 9-2
  • 9am Mostly sunny 77° 2%
  • 10am Mostly sunny 80° 3%
  • 11am Mostly sunny 84° 4%
  • 12pm Mostly sunny 86° 4%
  • 1pm Mostly sunny 88° 6%
  • 2pm Intermittent clouds 89° 9%
PM 3-8
  • 3pm Intermittent clouds 90° 9%
  • 4pm Intermittent clouds 92° 13%
  • 5pm Intermittent clouds 89° 47%
  • 6pm Mostly cloudy w/ t-storms 87° 51%
  • 7pm Intermittent clouds 86° 47%
  • 8pm Intermittent clouds 83° 34%
Hourly Forecast >

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Top Story

Herndon Weather Report

DC: Another Cooldown to Follow Midweek Storms

July 22, 2014; 3:02 PM ET

Just when it was starting to feel like the dog days of summer again, another push of cool air is taking aim on the Washington, D.C., area. 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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Tue. Overnight Freeze

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Tue. Evapotranspiration