• Today

    May 1

    63°Lo 56°

    A shower and t-storm around

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

    May 2

    78°Lo 56°

    Warmer; a shower in the a.m.

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

    May 3

    64°Lo 48°

    Cooler with a shower

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Wed

    May 4

    66°Lo 50°

    Mostly cloudy, afternoon rain

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

    May 5

    62°Lo 48°

    Mostly cloudy, a little rain

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 64° RealFeel® 69° Precipitation 56%

Day

N

E

S

W

  • NE 6 mph
  • Gusts: 8 mph

Intervals of clouds and sunshine with a shower; cooler

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 29%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 48° RealFeel® 48° Precipitation 25%

Night

N

E

S

W

  • N 5 mph
  • Gusts: 7 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 11%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - May 3

more Historical Weather Data >
  Today Normal Record 5/3/2015
High 64° 70° N/A 79°
Low 48° 51° N/A 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 13:57 of sunlight, then sets at 8:04 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:11 AM with 12:17 of moolight, then sets at 4:28 PM

Rockville Weather Report

Rain to ease unusual northeastern US dryness but to put a damper on outdoor plans

May 1, 2016; 9:27 AM ET

Rounds of rain will bring good news for unusually dry portions of the northeastern United States to start May. more >

Tue. Dust & Dander

Tue. Wind Maps