• Cloudy 82°
    Bicycling Current Weather
    • RealFeel
      87°
    • UV
      4 - Moderate
    • Wind
      Speed
      4 mph
  • Today

    Aug 31

    Hi 87°

    Variably cloudy and humid

    Excellent for biking
    • Precip
      40%
    • Hours of Precip
      0.5
    • Wind
      Gust
      8 mph
    Day Details >
  • Tomorrow

    Sep 1

    Hi 92°

    Mostly sunny and hot

    Very Good for biking
    • Precip
      9%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
    Day Details >
  • Wednesday

    Sep 2

    Hi 92°

    Partly sunny, hot and humid

    Very Good for biking
    • Precip
      14%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    Day Details >
Next

Expect showers this morning

8/31 9/1 Now: 12:45pm
PM 12-4
  • 12pm Intermittent clouds 82° 32%
  • 1pm Intermittent clouds 84° 22%
  • 2pm Intermittent clouds 85° 1%
  • 3pm Intermittent clouds 87° 1%
  • 4pm Intermittent clouds 87° 1%
PM 11-4
  • 11pm Intermittent clouds 74° 4%
  • 12am Partly cloudy 73° 4%
  • 1am Mostly clear 72° 2%
  • 2am Mostly clear 71° 0%
  • 3am Clear 70° 0%
  • 4am Clear 70° 0%
AM 5-10
  • 5am Clear 69° 0%
  • 6am Clear 66° 0%
  • 7am Sunny 70° 0%
  • 8am Mostly sunny 72° 0%
  • 9am Mostly sunny 76° 0%
  • 10am Mostly sunny 81° 0%
Hourly Forecast >
Aug 31, 2015; 10:28 AM ET
Evan Myers has details of very warm weather this week.
September Starts Summerlike in Northeast

Herndon Weather Report

DC, Baltimore: Sizzling Heat Wave to Start September

August 31, 2015; 9:50 AM ET

A push of summery heat and humidity will arrive in the Washington D.C. and Baltimore areas this week as September begins. more >

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Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.