• Tonight

    Aug 21

    Lo 66°

    Mostly cloudy, a shower late

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

    Aug 22

    84°Lo 67°

    Couple of thunderstorms

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

    Aug 23

    78°Lo 61°

    A brief shower or two

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

    Aug 24

    80°Lo 57°

    Areas of fog in the morning

    Low ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      70%
    more
  • Mon

    Aug 25

    81°Lo 59°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      7%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Hi 78° RealFeel® 82° Precipitation 63%

Day

N

E

S

W

  • ENE 5 mph
  • Gusts: 8 mph

Variable clouds with a passing shower or two

  • Max UV Index: 2 (Low)
  • Thunderstorms: 28%
  • Precipitation: 0.16 in
  • Rain: 0.16 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 61° RealFeel® 59° Precipitation 16%

Night

N

E

S

W

  • E 5 mph
  • Gusts: 8 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 6%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 23

more Historical Weather Data >
  Today Normal Record 8/23/2013
High 78° 86° N/A 73°
Low 61° 66° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 13:25 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:45 AM with 13:53 of moolight, then sets at 6:38 PM

Top Story

Frederick Weather Report

DC: Downpour, Flooding Risk to Increase

August 21, 2014; 12:10 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 >

Sat. Dust & Dander

Sat. Wind Maps