• Today

    Dec 18

    40°Lo 30°

    Partly sunny

    Very Good at the bus stop
    • T-storms
      0%
    • Precip
      3%
    • Wind
      Gust
      24 mph
    more
  • Fri

    Dec 19

    43°Lo 26°

    Sunshine and patchy clouds

    Very Good at the bus stop
    • T-storms
      0%
    • Precip
      0%
    • Wind
      Gust
      17 mph
    more
  • Sat

    Dec 20

    41°Lo 28°

    Mostly cloudy

    Very Good at the bus stop
    • T-storms
      0%
    • Precip
      6%
    • Wind
      Gust
      5 mph
  • Sun

    Dec 21

    45°Lo 29°

    Partly sunny

    Excellent at the bus stop
    • T-storms
      0%
    • Precip
      4%
    • Wind
      Gust
      6 mph
    more
  • Mon

    Dec 22

    43°Lo 36°

    Rain

    Fair at the bus stop
    • T-storms
      3%
    • Precip
      75%
    • Wind
      Gust
      8 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 30° 34° 37° 39° 41° 41° 41° 40°
RealFeel® 31° 36° 41° 43° 44° 44° 42° 40°
Humidity 63% 55% 50% 45% 42% 42% 43% 46%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 N 4 N 4 N 4 N 2 NNW 2 NNW 2 N 2 NE
UV Index 0 1 1 2 1 1 0 0
Cloud Cover 76% 76% 76% 76% 76% 76% 76% 76%
Dew Point 19° 19° 20° 19° 19° 20° 20° 21°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 41° 45° 66° (1889) 60°
Low 28° 31° (1942) 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:24 AM with 9:25 of sunlight, then sets at 4:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:38 AM with 10:20 of moolight, then sets at 3:58 PM

Rockville Weather Report

DC: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 18, 2014; 1:11 PM ET

Following benign weather this weekend, a major storm will affect Washington, D.C., much of the East and Midwest on Christmas Eve. more >

The AccuWeather RealFeel Temperature

May 17, 2012; 5:00 AM ET This product plays a big role as humidity rises.

Sat. Morning Bus Stop

Sat. UV Index

Sat. Wind Maps