• Tonight

    Dec 18

    Lo 31°

    Mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Dec 19

    45°Lo 26°

    Times of sun and clouds

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

    Dec 20

    42°Lo 28°

    Mostly cloudy

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

    Dec 21

    45°Lo 29°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      29%
    more
  • Mon

    Dec 22

    44°Lo 35°

    Rain

    Ragweed Pollen Weather
    • Precip
      75%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      96%
    more
Next Previous
Hi 39° RealFeel® 42° Precipitation 3%

Day

N

E

S

W

  • WNW 9 mph
  • Gusts: 23 mph

Colder; cloudy this morning, then times of clouds and sun this afternoon

  • Max UV Index: 1 (Low)
  • 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 31° RealFeel® 25° Precipitation 6%

Night

N

E

S

W

  • W 7 mph
  • Gusts: 10 mph

Mostly cloudy

  • 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

Frederick Pollen Levels - December 18

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 39° 44° N/A 37°
Low 31° 29° N/A 25°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:24 AM with 9:24 of sunlight, then sets at 4:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:37 AM with 10:49 of moolight, then sets at 2:26 PM

Frederick Weather Report

DC: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 18, 2014; 9:11 PM ET

Following benign weather this weekend, a major storm will affect Washington, D.C., much of the East and Midwest on Christmas Eve. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps