• Wed

    Jun 1

    82°Lo 60°

    Mostly sunny

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

    Jun 2

    73°Lo 59°

    A p.m. t-storm possible

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

    Jun 3

    80°Lo 64°

    A strong t-storm possible

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

    Jun 4

    72°Lo 56°

    Partly sunny

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

    Jun 5

    76°Lo 58°

    Clearing

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 82° RealFeel® 90° Precipitation 21%

Day

N

E

S

W

  • E 5 mph
  • Gusts: 7 mph

Mostly sunny

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 18%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 60° RealFeel® 60° Precipitation 23%

Night

N

E

S

W

  • SE 4 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 - Jun 1

more Historical Weather Data >
  Today Normal Record 6/1/2015
High 82° 77° N/A 86°
Low 60° 60° N/A 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:44 AM with 14:45 of sunlight, then sets at 8:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:24 AM with 13:06 of moolight, then sets at 4:30 PM

Rockville Weather Report

Tropical moisture to dampen Memorial Day celebrations from DC to NYC, Boston

May 27, 2016; 5:39 PM ET

Tropical moisture may put outdoor Memorial Day plans in jeopardy from Washington D.C., to Boston on Monday. more >