• Tonight

    Aug 25

    Lo 72°

    Partly cloudy and humid

    Bicycling Weather
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
  • Fri

    Aug 26

    93°Lo 69°

    Partly sunny, hot and humid

    Very Good for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
  • Sat

    Aug 27

    91°Lo 67°

    Mostly sunny

    Very Good for biking
    • Precip
      18%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
    more
  • Sun

    Aug 28

    89°Lo 66°

    Mostly sunny

    Very Good for biking
    • Precip
      12%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
  • Mon

    Aug 29

    92°Lo 69°

    Periods of sun; hot and humid

    Very Good for biking
    • Precip
      10%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
Next Previous
Hi 90° RealFeel® 97° Precipitation 25%

Day

N

E

S

W

  • SSW 8 mph
  • Gusts: 12 mph

More humid with clouds and sunshine

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 72° RealFeel® 77° Precipitation 15%

Night

N

E

S

W

  • SSW 5 mph
  • Gusts: 8 mph

Partly cloudy and humid

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 25

more Historical Weather Data >
  Today Normal Record 8/25/2015
High 90° 86° N/A 84°
Low 72° 67° N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:32 AM with 13:16 of sunlight, then sets at 7:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:08 AM with 14:18 of moolight, then sets at 2:26 PM

Accokeek Weather Report

Is summer heat, humidity over for the northeastern US?

August 25, 2016; 7:22 PM ET

Following a taste of autumn chill to start the week, is summer heat and humidity over for the northeastern United States? more >

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.