• Tonight

    Sep 16

    Lo 52°

    Clear and cool

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Sep 17

    74°Lo 55°

    Nice with plenty of sunshine

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

    Sep 18

    75°Lo 51°

    Partly sunny and pleasant

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

    Sep 19

    72°Lo 55°

    Partly sunny and pleasant

    Moderate ragweed pollen levels
    • Precip
      9%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      26%
    more
  • Sat

    Sep 20

    75°Lo 56°

    Morning mist; clearing

    Ragweed Pollen Weather
    • Precip
      48%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      79%
Next Previous
Hi 75° RealFeel® 76° Precipitation 48%

Day

N

E

S

W

  • SE 4 mph
  • Gusts: 7 mph

Cloudy and misty in the morning, then clouds and sun in the afternoon

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 1%
  • Precipitation: 0.01 in
  • Rain: 0.01 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 56° RealFeel® 55° Precipitation 16%

Night

N

E

S

W

  • SSE 3 mph
  • Gusts: 5 mph

Partly 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

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 75° 78° 94° (1895) 82°
Low 56° 61° 41° (1916) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:54 AM with 12:15 of sunlight, then sets at 7:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:33 AM with 13:37 of moolight, then sets at 5:10 PM

Top Story

Rockville Weather Report

DC: Remainder of Week to Be Dry, Cool

September 16, 2014; 2:11 PM ET

Rainfall will be scarce around Washington, D.C., this week, but cool air will be plentiful. more >

Sat. Dust & Dander

Sat. Wind Maps