• Tonight

    Jul 28

    Lo 58°

    Breezy early; partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Tue

    Jul 29

    77°Lo 55°

    Pleasant with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Jul 30

    82°Lo 58°

    Partly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Jul 31

    84°Lo 64°

    Mostly sunny and more humid

    Low ragweed pollen levels
    • Precip
      13%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      18%
    more
  • Fri

    Aug 1

    80°Lo 62°

    A thunderstorm possible

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      70%
    more
Next Previous
Hi 81° RealFeel® 81° Precipitation 35%

Day

N

E

S

W

  • WNW 12 mph
  • Gusts: 28 mph

Breezy with clouds and sunshine

  • Max UV Index: 7 (High)
  • Thunderstorms: 20%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 58° RealFeel® 55° Precipitation 7%

Night

N

E

S

W

  • NW 8 mph
  • Gusts: 26 mph

Breezy this evening; otherwise, partly cloudy and pleasantly cool

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • 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 - July 28

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Jul 28

more Historical Weather Data >
  Today Normal Record 7/28/2013
High 81° 88° 100° (1997) 84°
Low 58° 71° 56° (1920) 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:05 AM with 14:19 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:45 AM with 13:21 of moolight, then sets at 9:06 PM

Top Story

Rockville Weather Report

D.C.: Midweek Brings Cooler, Less Humid Air

July 28, 2014; 11:35 AM ET

Following the thunderstorms of early in the week, the Nation's Capital will see cooler and less humid air midweek. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps