• Early AM

    May 25

    Lo 43°

    Clear

    Dust & Dander Weather
    • Grass
      Pollen
      35 - High
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
    more

  • Today

    May 25

    69°Lo 43°

    Partly sunny and windy

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      35 - High
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High

  • Sun

    May 26

    69°Lo 45°

    Bright sunshine

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      35 - High
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
    more

  • Mon

    May 27

    75°Lo 49°

    Sunny and pleasant

    Very High indoor dust & dander levels
    • Precip
      1%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      10%
    more

  • Tue

    May 28

    79°Lo 61°

    A thunderstorm possible

    Extreme indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      56%
    more
Next Previous
Hi 69° RealFeel® 68° Precipitation 4%

Day

N

E

S

W

  • NW 15 mph
  • Gusts: 24 mph

Partly sunny and windy

  • Max UV Index: 8 (Very 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 43° RealFeel® 34° Precipitation 0%

Night

N

E

S

W

  • WNW 12 mph
  • Gusts: 23 mph

Mainly clear, breezy and chilly

  • 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 - May 25

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    High

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 25

more Historical Weather Data >
  Today Normal Record 5/25/2012
High 69° 78° 94° (1880) 86°
Low 43° 59° 42° (1877) 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:33 of sunlight, then sets at 8:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:02 PM with 10:10 of moolight, then sets at 6:12 AM

Smoke Alert: The Hidden Dangers of E-Cigarettes

May 20, 2013; 5:00 AM ET E-cigarette manufacturers claim the devices can help a person quit smoking but have those claims ever been proven?

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps