• Today

    Aug 20

    89°Lo 72°

    A thunderstorm in spots

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

    Aug 21

    89°Lo 74°

    A couple of thunderstorms

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

    Aug 22

    85°Lo 73°

    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 71°

    A passing shower or two

    Low ragweed pollen levels
    • Precip
      60%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      70%
    more
  • Sun

    Aug 24

    80°Lo 69°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      70%
    more
Next Previous
Hi 89° RealFeel® 89° Precipitation 40%

Day

N

E

S

W

  • SSE 8 mph
  • Gusts: 13 mph

Humid; cloudy this morning, then clouds and sun this afternoon with a thunderstorm in spots

  • Max UV Index: 6 (High)
  • Thunderstorms: 45%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 72° RealFeel® 72° Precipitation 55%

Night

N

E

S

W

  • S 5 mph
  • Gusts: 11 mph

Mostly cloudy and humid with a shower or thunderstorm around

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Washington Pollen Levels - August 20

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2013
High 89° 86° 101° (1983) 89°
Low 72° 70° 50° (1896) 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 13:31 of sunlight, then sets at 7:57 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:06 AM with 14:32 of moolight, then sets at 4:38 PM

Top Story

Washington Weather Report

DC: Downpour, Flooding Risk to Increase

August 20, 2014; 12:00 PM ET

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

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps