• Today

    Aug 20

    87°Lo 67°

    A thunderstorm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Thu

    Aug 21

    88°Lo 69°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Aug 22

    85°Lo 68°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Aug 23

    81°Lo 67°

    A passing shower or two

    Low ragweed pollen levels
    • Precip
      63%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
    more
  • Sun

    Aug 24

    80°Lo 65°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      21%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      69%
    more
Next Previous
A shower or thunderstorm 87° Lo 80° RealFeel® 94° / 81°

N

E

S

W

  • Precipitation: 40%
  • Rain: 0.04 in
  • Snow: 0 in
  • Humidity: 61%
  • Cloud Cover: 63%
  • Dew Point: 69° F
  • Visibility: 9 mi
5 mph

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2013
High 87° 86° 101° (1983) 89°
Low 67° 70° 50° (1896) 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 13:30 of sunlight, then sets at 7:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:06 AM with 14:31 of moolight, then sets at 4:37 PM

Top Story

Accokeek Weather Report

DC: Downpour, Flooding Risk to Increase Into Thursday

August 20, 2014; 3:08 AM ET

A wedge of dry air will slowly erode at midweek and will allow showers and thunderstorms to survive the trip into Washington, D.C., from the Midwest. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps