• Today

    Apr 20

    63°Lo 36°

    Partly sunny

    Unlikely for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      12%
    • Hours of Precip
      0
  • Mon

    Apr 21

    68°Lo 48°

    Mostly sunny and pleasant

    Unlikely for hair frizz
    • Wind
      Gust
      4 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Tue

    Apr 22

    73°Lo 46°

    An afternoon t-storm or two

    Advisory for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      63%
    • Hours of Precip
      2
    more
  • Wed

    Apr 23

    62°Lo 40°

    Partly sunny; breezy, cooler

    Unlikely for hair frizz
    • Wind
      Gust
      25 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Thu

    Apr 24

    67°Lo 47°

    A full day of sunshine

    Unlikely for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      7%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Cloudy
Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 43° 42° 42° 48° 51° 53° 56° 59°
RealFeel® 41° 39° 38° 45° 50° 54° 59° 63°
Humidity 69% 71% 73% 68% 62% 54% 48% 45%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
1%
 
1%
 
1%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 4 NNE 5 NNE 5 NNE 6 NNE 6 NE 7 ENE 8 E 8 E
UV Index 0 0 0 1 2 4 5 6
Cloud Cover 72% 59% 48% 39% 33% 28% 26% 26%
Dew Point 33° 33° 34° 38° 38° 37° 37° 37°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 63° 68° 94° (1941) 62°
Low 37° 48° 28° (1904) 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 13:26 of sunlight, then sets at 7:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:28 AM with 10:16 of moolight, then sets at 10:44 AM

Top Story

Rockville Weather Report

DC: Another Surge of Mild Air Follows Easter

April 19, 2014; 8:20 PM ET

Another surge of milder air is headed to Washington, D.C., after Easter Sunday. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Sun. Hair Frizz

Sun. Wind Maps

Sun. UV Index