• Tonight

    Aug 30

    Lo 70°

    Mostly cloudy and humid

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Sun

    Aug 31

    88°Lo 70°

    Warmer; an afternoon t-storm

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

    Sep 1

    87°Lo 67°

    Clouds and sun with a t-storm

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

    Sep 2

    92°Lo 70°

    A p.m. t-storm in spots

    Low ragweed pollen levels
    • Precip
      41%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      29%
    more
  • Wed

    Sep 3

    87°Lo 61°

    Mostly sunny and warm

    Ragweed Pollen Weather
    • Precip
      15%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      23%
    more
Next Previous
Hi 82° RealFeel® 83° Precipitation 25%

Day

N

E

S

W

  • S 6 mph
  • Gusts: 16 mph

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

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 70° RealFeel® 70° Precipitation 25%

Night

N

E

S

W

  • S 4 mph
  • Gusts: 10 mph

Mostly cloudy and humid

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Rockville Pollen Levels - August 30

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Aug 30

more Historical Weather Data >
  Today Normal Record 8/30/2013
High 82° 85° 99° (1953) 88°
Low 70° 68° 50° (1986) 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 13:08 of sunlight, then sets at 7:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:19 AM with 10:58 of moolight, then sets at 10:17 PM

Top Story

Rockville Weather Report

DC: Summer Heat to Hold Beyond Labor Day

August 30, 2014; 5:00 PM 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 >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps