• Tonight

    Aug 31

    Lo 69°

    A thunderstorm in spots

    Ragweed Pollen Weather
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Sep 1

    82°Lo 59°

    Humid with some sun returning

    High ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
  • Fri

    Sep 2

    81°Lo 61°

    Partly sunny and less humid

    Moderate ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Sep 3

    71°Lo 59°

    A chance of afternoon rain

    High ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Sep 4

    69°Lo 60°

    Mostly cloudy, rain possible

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Partly sunny 82° Lo 76° RealFeel® 90° / 76°

N

E

S

W

  • Precipitation: 25%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 66%
  • Cloud Cover: 45%
  • Dew Point: 67° F
  • Visibility: 10 mi
6 mph

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2015
High 82° 84° N/A 93°
Low 59° 64° N/A 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 13:01 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:48 AM with 13:06 of moolight, then sets at 7:54 PM

Frederick Weather Report

Warm fall may jeopardize foliage displays in northeastern US

August 31, 2016; 4:49 PM ET

Though the summer season is winding down, forecasters are predicting a warm start to fall across the Northeast — a weather pattern that could spell bad news for fall foliage lovers. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps