• Today

    Jul 29

    79°Lo 57°

    Pleasant with clouds and sun

    Excellent for an outdoor bbq
    • Precip
      1%
    • Hi
      RealFeel
      79°
    • Wind
      Gust
      16 mph
    more
  • Wed

    Jul 30

    83°Lo 60°

    Partly sunny and beautiful

    Excellent for an outdoor bbq
    • Precip
      8%
    • Hi
      RealFeel
      89°
    • Wind
      Gust
      6 mph
    more
  • Thu

    Jul 31

    85°Lo 66°

    Partly sunny

    Excellent for an outdoor bbq
    • Precip
      9%
    • Hi
      RealFeel
      92°
    • Wind
      Gust
      8 mph
  • Fri

    Aug 1

    83°Lo 65°

    Periods of sun with a shower

    Very Good for an outdoor bbq
    • Precip
      48%
    • Hi
      RealFeel
      84°
    • Wind
      Gust
      10 mph
    more
  • Sat

    Aug 2

    82°Lo 68°

    Thunderstorms possible

    Very Good for an outdoor bbq
    • Precip
      35%
    • Hi
      RealFeel
      83°
    • Wind
      Gust
      9 mph
    more
Next Previous
Hi 85° RealFeel® 92° Precipitation 9%

Day

N

E

S

W

  • SSW 4 mph
  • Gusts: 8 mph

Partly sunny

  • Max UV Index: 7 (High)
  • Thunderstorms: 21%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 66° RealFeel® 63° Precipitation 61%

Night

N

E

S

W

  • S 5 mph
  • Gusts: 8 mph

Cloudy most of the time with a couple of showers and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.25 in
  • Rain: 0.25 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 85° 88° 103° (1954) 82°
Low 66° 71° 52° (1895) 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 14:13 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:31 AM with 12:04 of moolight, then sets at 10:35 PM

Top Story

Cabin John Weather Report

D.C.: Midweek Brings Cooler, Less Humid Air

July 29, 2014; 6:35 AM ET

Following the thunderstorms of early in the week, the Nation's Capital will see cooler and less humid air midweek. 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.

Thu. Outdoor Entertaining

Thu. Wind Maps

Thu. UV Index