• Tonight

    Sep 20

    Lo 58°

    Mainly clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Sun

    Sep 21

    86°Lo 58°

    A t-storm in the 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
    • Precip
      1%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      11%
    more
  • Wed

    Sep 24

    75°Lo 53°

    Sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      9%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      4%
    more
Next Previous
Clear 70° RealFeel® 71°

N

E

S

W

  • Humidity: 68%
  • Pressure: 30.07 in
  • UV Index: 0
  • Cloud Cover: 0%
  • Ceiling: 36600 ft
  • Dew Point: 59° F
  • Visibility: 10 mi
0 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:55 AM with 12:16 of sunlight, then sets at 7:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:34 AM with 13:38 of moolight, then sets at 5:12 PM

Temperature Summary - 10:06 PM

  Temp (°F)
Now 70°
Yesterday 74°
RealFeel® 71°
RealFeel® Shade 71°
Wind Chill 70°
Dew Point 59°
  Hi / Lo
Previous 6 Hours 84°
  70°
Previous 12 Hours 84°
  66°
Previous 24 Hours 84°
  61°

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 84° 78° N/A 81°
Low 58° 57° N/A 50°

Precipitation Summary - 10:06 PM

  Amount (in)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 0
Previous 9 Hours 0
Previous 12 Hours 0
Previous 18 Hours 0
Previous 24 Hours 0
Top Story

Frederick Weather Report

DC: September Temperature Roller Coaster to Continue

September 20, 2014; 2:04 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 >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps