• Early AM

    Dec 19

    Lo 32°

    Mostly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      34°
    • Hi
      RealFeel
      42°
    • Wind
      Speed
      6 mph
    more
  • Today

    Dec 19

    45°Lo 26°

    Times of sun and clouds

    Fair for home energy
    • Avg
      RealFeel
      33°
    • Hi
      RealFeel
      39°
    • Wind
      Speed
      9 mph
  • Sat

    Dec 20

    42°Lo 28°

    Mostly cloudy

    Fair for home energy
    • Avg
      RealFeel
      37°
    • Hi
      RealFeel
      45°
    • Wind
      Speed
      2 mph
    more
  • Sun

    Dec 21

    45°Lo 29°

    Partly sunny

    Fair for home energy
    • Avg
      RealFeel
      38°
    • Hi
      RealFeel
      46°
    • Wind
      Speed
      4 mph
    more
  • Mon

    Dec 22

    44°Lo 35°

    Rain

    Fair for home energy
    • Avg
      RealFeel
      39°
    • Hi
      RealFeel
      43°
    • Wind
      Speed
      5 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Clear
Temp (°F) 43° 44° 45° 44° 43° 40° 38° 35°
RealFeel® 37° 38° 39° 38° 36° 34° 32° 30°
Humidity 44% 41% 39% 39% 41% 45% 51% 55%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
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Snow
 
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Ice
 
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  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 10 NW 10 NW 10 NW 9 NW 8 NW 7 NW 7 NW 6 NW
UV Index 2 2 1 1 0 0 0 0
Cloud Cover 46% 46% 46% 46% 46% 46% 46% 0%
Dew Point 22° 21° 21° 20° 20° 20° 21° 20°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Dec 19

more Historical Weather Data >
  Today Normal Record 12/19/2013
High 45° 44° N/A 48°
Low 26° 29° N/A 21°

Sunrise/Sunset

Sunrise / Sunset Illustration

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

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:38 AM with 10:31 of moolight, then sets at 3:09 PM

Frederick Weather Report

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

December 18, 2014; 9:11 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 >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Fri. Home Energy Efficiency

Fri. Degree Days

Fri. UV Index