• Sun

    Aug 3

    83°Lo 65°

    Mostly cloudy with a t-storm

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Aug 4

    85°Lo 66°

    Partly sunny, showers around

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    Aug 5

    88°Lo 64°

    Times of clouds and sun

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Wed

    Aug 6

    90°Lo 64°

    Partly sunny

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Aug 7

    89°Lo 67°

    Sunny to partly cloudy

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 88° RealFeel® 95° Precipitation 19%

Day

N

E

S

W

  • N 6 mph
  • Gusts: 18 mph

Times of clouds and sun

  • Max UV Index: 7 (High)
  • Thunderstorms: 22%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 64° RealFeel® 62° Precipitation 11%

Night

N

E

S

W

  • NNW 4 mph
  • Gusts: 11 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 5

more Historical Weather Data >
  Today Normal Record 8/5/2013
High 88° 88° 102° (1930) 82°
Low 64° 71° 54° (1912) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 14:04 of sunlight, then sets at 8:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:28 PM with 10:19 of moolight, then sets at 1:47 AM

Top Story

Rockville Weather Report

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

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.