• Today

    Aug 30

    87°Lo 64°

    Sunshine and patchy clouds

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

    Aug 31

    89°Lo 67°

    Very warm with periods of sun

    Moderate ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Sep 1

    79°Lo 60°

    Not as warm

    Moderate ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Sep 2

    78°Lo 58°

    Partly sunny and less humid

    Moderate ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Sep 3

    78°Lo 58°

    Pleasant with plenty of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Mainly clear 68° Lo 64° RealFeel® 68° / 66°

N

E

S

W

  • Precipitation: 8%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 94%
  • Cloud Cover: 18%
  • Dew Point: 64° F
  • Visibility: 10 mi
2 mph

Temperature History - Aug 30

more Historical Weather Data >
  Today Normal Record 8/30/2015
High 87° 81° N/A 88°
Low 64° 65° N/A 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 13:05 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:46 AM with 13:57 of moolight, then sets at 6:43 PM

Rockville Weather Report

September to start on cooler, less humid note in northeastern US

August 30, 2016; 1:24 AM ET

Brief relief from heat and humidity will arrive in the northeastern United States during the first days of September. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps