• Tonight

    Aug 20

    Lo 65°

    A thunderstorm this evening

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Aug 21

    87°Lo 66°

    Couple of showers, t-storms

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

    Aug 22

    83°Lo 66°

    Couple of thunderstorms

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

    Aug 23

    77°Lo 63°

    Cooler with a shower or two

    Low ragweed pollen levels
    • Precip
      61%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
    more
  • Sun

    Aug 24

    77°Lo 61°

    More clouds than sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      88%
    more
Next Previous
The chance for a couple of showers and thunderstorms 83° Lo 68° RealFeel® 94° / 70°

N

E

S

W

  • Precipitation: 49%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 78%
  • Cloud Cover: 70%
  • Dew Point: 68° F
  • Visibility: 5 mi
2 mph

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 87° 86° N/A 88°
Low 66° 66° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:28 AM with 13:30 of sunlight, then sets at 7:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:58 AM with 14:26 of moolight, then sets at 5:24 PM

Top Story

Frederick 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 >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps