• Early AM

    Sep 3

    Lo 68°

    Mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Sep 3

    85°Lo 65°

    Clouds yielding to sun

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

    Sep 4

    87°Lo 67°

    Fog in the a.m.; partly sunny

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

    Sep 5

    88°Lo 69°

    Humid with periods of sun

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      48%
    more
  • Sat

    Sep 6

    91°Lo 66°

    A couple of p.m. t-storms

    Ragweed Pollen Weather
    • Precip
      64%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      58%
Next Previous
Hi 91° RealFeel® 96° Precipitation 64%

Day

N

E

S

W

  • NW 5 mph
  • Gusts: 8 mph

Hot and humid with times of clouds and sun; a couple of afternoon showers and a thunderstorm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.25 in
  • Rain: 0.25 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 66° RealFeel® 63° Precipitation 60%

Night

N

E

S

W

  • N 4 mph
  • Gusts: 7 mph

A couple of thunderstorms around in the evening; otherwise, mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.25 in
  • Rain: 0.25 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - Sep 6

more Historical Weather Data >
  Today Normal Record 9/6/2013
High 91° 83° 98° (1954) 78°
Low 66° 66° 47° (1909) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:42 AM with 12:50 of sunlight, then sets at 7:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:45 PM with 11:09 of moolight, then sets at 4:54 AM

Top Story

Rockville Weather Report

DC: Warm Week for Back to School, Work

September 2, 2014; 1:55 PM ET

While temperatures and humidity levels will fluctuate slightly from day to day this week, unseasonable warmth will continue into next weekend around Washington, D.C. more >

Sat. Dust & Dander

Sat. Wind Maps