• Today

    May 21

    85°Lo 65°

    An afternoon thunderstorm

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
  • Wed

    May 22

    88°Lo 69°

    Thundershower

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
    more
  • Thu

    May 23

    81°Lo 59°

    A couple of thunderstorms

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
    more
  • Fri

    May 24

    72°Lo 44°

    A morning shower possible

    Extreme indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      73%
    more
  • Sat

    May 25

    71°Lo 43°

    Mostly sunny

    Very High indoor dust & dander levels
    • Precip
      16%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      18%
    more
Next Previous
A shower or thunderstorm 79° Lo 70° RealFeel® 78° / 70°

N

E

S

W

  • Precipitation: 55%
  • Rain: 0.05 in
  • Snow: 0 in
  • Humidity: 79%
  • Cloud Cover: 40%
  • Dew Point: 67° F
  • Visibility: 9 mi
4 mph

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 85° 74° 94° (1996) 71°
Low 65° 52° 33° (2002) 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:43 AM with 14:36 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:29 PM with 11:16 of moolight, then sets at 3:45 AM

Top Story

Reading Weather Report

Summerlike Tuesday in DC, Philadelphia, New York

May 21, 2013; 5:03 AM ET

Rising temperatures and humidity across the mid-Atlantic will have it feeling like the end of June. more >

Smoke Alert: The Hidden Dangers of E-Cigarettes

May 20, 2013; 5:00 AM ET E-cigarette manufacturers claim the devices can help a person quit smoking but have those claims ever been proven?

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps