• Early AM

    Jul 31

    Lo 70°

    A shower or thunderstorm

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Today

    Jul 31

    89°Lo 70°

    Showers and a heavier t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Mon

    Aug 1

    88°Lo 69°

    A p.m. t-storm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Aug 2

    86°Lo 66°

    Periods of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    Aug 3

    84°Lo 68°

    Periods of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
A shower or thunderstorm 79° Lo 74° RealFeel® 85° / 78°

N

E

S

W

  • Precipitation: 55%
  • Rain: 0.12 in
  • Snow: 0 in
  • Humidity: 87%
  • Cloud Cover: 88%
  • Dew Point: 72° F
  • Visibility: 9 mi
4 mph

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2015
High 89° 84° N/A 86°
Low 70° 69° N/A 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 14:11 of sunlight, then sets at 8:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:55 AM with 14:37 of moolight, then sets at 6:32 PM

Rockville Weather Report

Soaking storms to elevate flash flood threat in northeastern US this weekend

July 31, 2016; 2:33 AM ET

Rounds of drenching showers and heavy thunderstorms will heighten the risk of flash flooding across the northeastern United States through the final weekend of July. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps