• Today

    Sep 22

    70°Lo 45°

    Mostly sunny; breezy, cooler

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

    Sep 23

    70°Lo 50°

    Cool in the morning; sunny

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

    Sep 24

    73°Lo 57°

    Pleasant with periods of sun

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

    Sep 25

    69°Lo 56°

    Rain and drizzle possible

    Moderate ragweed pollen levels
    • Precip
      30%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      76%
    more
  • Fri

    Sep 26

    76°Lo 54°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      8%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
    more
Next Previous
Sunny 66° RealFeel® 65°

N

E

S

W

  • Humidity: 45%
  • Pressure: 30.08 in ↑
  • UV Index: 1
  • Cloud Cover: 0%
  • Ceiling: 36100 ft
  • Dew Point: 45° F
  • Visibility: 10 mi
14 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:56 AM with 12:10 of sunlight, then sets at 7:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:24 AM with 12:48 of moolight, then sets at 6:12 PM

Temperature Summary - 4:16 PM

  Temp (°F)
Now 66°
Yesterday 50°
RealFeel® 65°
RealFeel® Shade 62°
Wind Chill 66°
Dew Point 45°
  Hi / Lo
Previous 6 Hours 69°
  64°
Previous 12 Hours 69°
  59°
Previous 24 Hours 83°
  57°

Temperature History - Sep 22

more Historical Weather Data >
  Today Normal Record 9/22/2013
High 70° 77° 98° (1895) 76°
Low 45° 60° 39° (1904) 58°

Precipitation Summary - 4:16 PM

  Amount (in)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 0
Previous 9 Hours 0
Previous 12 Hours 0
Previous 18 Hours 0
Previous 24 Hours 0.02
Top Story

Rockville Weather Report

DC: September Temperature Roller Coaster to Continue

September 22, 2014; 1:29 PM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Washington, D.C. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps