• Today

    Sep 21

    86°Lo 57°

    A thunderstorm this afternoon

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Mon

    Sep 22

    72°Lo 45°

    Partly sunny; breezy, cooler

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Tue

    Sep 23

    72°Lo 50°

    Mostly sunny and pleasant

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Wed

    Sep 24

    77°Lo 54°

    Sunny and pleasant

    Moderate ragweed pollen levels
    • Precip
      8%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
  • Thu

    Sep 25

    75°Lo 54°

    Partly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      11%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      41%
    more
Next Previous
Hi 72° RealFeel® 76° Precipitation 2%

Day

N

E

S

W

  • NNW 3 mph
  • Gusts: 4 mph

Mostly sunny and pleasant

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 50° RealFeel® 49° Precipitation 7%

Night

N

E

S

W

  • ENE 2 mph
  • Gusts: 5 mph

Clear

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

Temperature History - Sep 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 72° 77° N/A 66°
Low 50° 56° N/A 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:58 AM with 12:08 of sunlight, then sets at 7:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:21 AM with 12:22 of moolight, then sets at 6:43 PM

Top Story

Frederick Weather Report

DC: September Temperature Roller Coaster to Continue

September 21, 2014; 4:44 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Washington, D.C. more >

Tue. Dust & Dander

Tue. Wind Maps