• Today

    Aug 31

    87°Lo 70°

    A heavy afternoon t-storm

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

    Sep 1

    87°Lo 67°

    Some sun with a thunderstorm

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

    Sep 2

    92°Lo 69°

    An afternoon thunderstorm

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

    Sep 3

    87°Lo 62°

    Clouds yielding to sun

    Low ragweed pollen levels
    • Precip
      10%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      37%
    more
  • Thu

    Sep 4

    89°Lo 65°

    Sunshine and patchy clouds

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      25%
    more
Next Previous
Hi 87° RealFeel® 95° Precipitation 55%

Day

N

E

S

W

  • SW 6 mph
  • Gusts: 11 mph

Humid with clouds and breaks of sun; a shower or heavy thunderstorm in the area this afternoon

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 70° RealFeel® 72° Precipitation 60%

Night

N

E

S

W

  • N 2 mph
  • Gusts: 4 mph

Partly cloudy and humid with a couple of showers and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.21 in
  • Rain: 0.21 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs

Frederick Pollen Levels - August 31

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2013
High 87° 84° N/A 88°
Low 70° 64° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 13:06 of sunlight, then sets at 7:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:19 PM with 10:38 of moolight, then sets at 10:57 PM

Top Story

Frederick Weather Report

DC: Summer Heat to Hold Beyond Labor Day

August 31, 2014; 4:04 AM ET

Labor Day weekend traditionally marks the unofficial end to summer, but the weather has another idea in mind around Washington, D.C., with a prolonged stretch of summer heat underway. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps