• Today

    Dec 19

    44°Lo 27°

    Times of sun and clouds

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    Dec 20

    42°Lo 27°

    Mostly cloudy

    Very Unlikely for a snow day
    • Snow
      2%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Dec 21

    45°Lo 31°

    Partly sunny

    Very Unlikely for a snow day
    • Snow
      2%
    • Ice
      0%
    • Snow
      0 in
  • Mon

    Dec 22

    43°Lo 38°

    Rain

    Very Unlikely for a snow day
    • Snow
      16%
    • Ice
      1%
    • Snow
      0 in
    more
  • Tue

    Dec 23

    50°Lo 41°

    Cloudy with a little rain

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Partly Cloudy
Partly Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Mostly Clear
Mostly Sunny
Temp (°F) 29° 27° 29° 29° 29° 28° 29° 31°
RealFeel® 31° 31° 33° 33° 33° 32° 32° 34°
Humidity 71% 76% 71% 72% 72% 74% 73% 68%
   
  1am 2am 3am 4am 5am 6am 7am 8am
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%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 1 NNW 0 0 0 0 0 1 N 1 N
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 46% 46% 54% 65% 54% 46% 26% 26%
Dew Point 20° 20° 20° 21° 21° 21° 21° 22°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 45° 43° N/A 66°
Low 31° 29° N/A 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:26 AM with 9:24 of sunlight, then sets at 4:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:40 AM with 10:14 of moolight, then sets at 4:54 PM

Frederick Weather Report

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

December 19, 2014; 2:11 AM 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 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.

Sun. Snow Day Potential