• Today

    Aug 26

    93°Lo 68°

    Mostly sunny, hot and humid

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

    Aug 27

    90°Lo 66°

    Mostly sunny and less humid

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

    Aug 28

    88°Lo 65°

    Mostly sunny

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

    Aug 29

    91°Lo 67°

    Partly sunny and humid

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

    Aug 30

    90°Lo 68°

    A p.m. t-storm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 93° RealFeel® 100° Precipitation 1%

Day

N

E

S

W

  • NW 6 mph
  • Gusts: 9 mph

Sunny to partly cloudy, hot and humid

  • Max UV Index: 6 (High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 68° RealFeel® 69° Precipitation 12%

Night

N

E

S

W

  • NNE 4 mph
  • Gusts: 7 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Rockville Pollen Levels - August 26

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

    Low

  • Ragweed Pollen

    Moderate

  • Mold

    High

  • Grass Pollen

    Low

Temperature History - Aug 26

more Historical Weather Data >
  Today Normal Record 8/26/2015
High 93° 82° N/A 79°
Low 68° 66° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:33 AM with 13:14 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:56 AM with 14:34 of moolight, then sets at 3:30 PM

Rockville Weather Report

Is summer heat, humidity over for the northeastern US?

August 26, 2016; 2:02 AM ET

Following a taste of autumn chill to start the week, is summer heat and humidity over for the northeastern United States? more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps