• Partly sunny 90°
    Ragweed Pollen Current Weather
    • Relative Humidity
      45%
    • Yesterday
      Temp
      90°
    • RealFeel
      98°
  • Today

    Jul 27

    Hi 91°

    A thunderstorm around

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    Day Details >
  • Tomorrow

    Jul 28

    Hi 90°

    A heavy thunderstorm

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    Day Details >
  • Friday

    Jul 29

    Hi 82°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    Day Details >
Next

Thunderstorms, some heavy, tomorrow morning through Friday evening

7/27 7/28 Now: 3:56pm
PM 3-7
  • 3pm Intermittent clouds 91° 8%
  • 4pm Intermittent clouds 90° 12%
  • 5pm Mostly cloudy w/ t-storms 87° 51%
  • 6pm Intermittent clouds 88° 47%
  • 7pm Intermittent clouds 86° 36%
AM 2-7
  • 2am Partly cloudy 76° 7%
  • 3am Partly cloudy 75° 7%
  • 4am Partly cloudy 74° 6%
  • 5am Partly cloudy 74° 5%
  • 6am Partly cloudy 72° 5%
  • 7am Partly sunny 74° 8%
AM 8-1
  • 8am Mostly cloudy w/ t-storms 77° 51%
  • 9am Intermittent clouds 79° 47%
  • 10am Intermittent clouds 80° 35%
  • 11am Intermittent clouds 82° 17%
  • 12pm Intermittent clouds 85° 17%
  • 1pm Intermittent clouds 86° 22%
Hourly Forecast >

Rockville Pollen Levels - July 27

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    Low

  • Ragweed Pollen

    Low

  • Mold

    Low

  • Grass Pollen

    Moderate

Jul 27, 2016; 11:14 AM ET
 The Heat Dome remains in place and thunderstorms will rumble with more frequency. When will the pattern break Evan Myers has coverage.
How long will heat hold?

Rockville Weather Report

Heat wave to deteriorate across northeastern US as downpours unleash up to 2 inches of rain

July 27, 2016; 1:23 PM ET

As July draws to a close, a storm system swinging up from the Deep South will bring downpours to the northeastern U.S. and break the back of an extended heat wave. more >

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