• Early AM

    Apr 21

    Lo 36°

    Clear

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

    Apr 21

    70°Lo 46°

    Pleasant and warmer

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

    Apr 22

    74°Lo 45°

    An afternoon thunderstorm

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

    Apr 23

    62°Lo 38°

    Partly sunny; breezy, cooler

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

    Apr 24

    68°Lo 50°

    A full day of sunshine

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Clear 64° Lo 51° RealFeel® 62° / 50°

N

E

S

W

  • Precipitation: 3%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 57%
  • Cloud Cover: 10%
  • Dew Point: 41° F
  • Visibility: 10 mi
3 mph

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 70° 69° 89° (1976) 56°
Low 46° 49° 31° (1875) 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 13:28 of sunlight, then sets at 7:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:20 AM with 10:28 of moolight, then sets at 11:48 AM

Top Story

Rockville Weather Report

DC: Temperatures to Remain on a Roller Coaster Ride

April 20, 2014; 8:25 PM ET

Temperatures will remain on the spring roller coaster ride this week in Washington, D.C. 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.

48 Hour Precipitation Forecast

Mon. Snow Day Potential