• Early AM

    Sep 1

    Lo 69°

    A shower or thunderstorm

    Ragweed Pollen Weather
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
  • Today

    Sep 1

    80°Lo 61°

    Not as warm with a t-storm

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

    Sep 2

    79°Lo 63°

    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

    70°Lo 61°

    Rain possible in the p.m.

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

    Sep 4

    67°Lo 61°

    Mostly cloudy, rain possible

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
A shower or thunderstorm 69° RealFeel® 69°

N

E

S

W

  • Humidity: 93%
  • Cloud Cover: 45%
  • Dew Point: 69° F
  • Rain: 0.16 in
  • Snow: 0 in
  • Visibility: 9 mi
4 mph

Rockville Weather Report

Warm fall may jeopardize foliage displays in northeastern US

August 31, 2016; 10:37 PM ET

Though the summer season is winding down, forecasters are predicting a warm start to fall across the Northeast — a weather pattern that could spell bad news for fall foliage lovers. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps